Commit Graph

63978 Commits

Author SHA1 Message Date
Daniel Scally 094f391013 docs: usb: Add documentation for the UVC Gadget
The UVC Gadget function has become quite complex, but documentation
for it is fairly sparse. Add some more detailed documentation to
improve the situation.

Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Link: https://lore.kernel.org/r/20230308165213.139315-1-dan.scally@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-09 15:18:33 +01:00
Arınç ÜNAL 7d8c48917a dt-bindings: net: dsa: mediatek,mt7530: change some descriptions to literal
The line endings must be preserved on gpio-controller, io-supply, and
reset-gpios properties to look proper when the YAML file is parsed.

Currently it's interpreted as a single line when parsed. Change the style
of the description of these properties to literal style to preserve the
line endings.

Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-08 13:05:37 +00:00
Wu Bo b7eef407e5 docs: ext4: modify the group desc size to 64
Since the default ext4 group desc size is 64 now (assuming that the
64-bit feature is enbled). And the size mentioned in this doc is 64 too.
Change it to 64.

Signed-off-by: Wu Bo <bo.wu@vivo.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20230222013525.14748-1-bo.wu@vivo.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2023-03-07 20:24:05 -05:00
Sagi Grimberg e33062213f docs: sysfs-block: document hidden sysfs entry
/sys/block/<disk>/hidden is undocumented. Document it.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20230303084323.228098-1-sagi@grimberg.me
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-03-07 16:40:52 -07:00
Jakub Kicinski 37d9df224d ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause
I was intending to make all the Netlink Spec code BSD-3-Clause
to ease the adoption but it appears that:
 - I fumbled the uAPI and used "GPL WITH uAPI note" there
 - it gives people pause as they expect GPL in the kernel
As suggested by Chuck re-license under dual. This gives us benefit
of full BSD freedom while fulfilling the broad "kernel is under GPL"
expectations.

Link: https://lore.kernel.org/all/20230304120108.05dd44c5@kernel.org/
Link: https://lore.kernel.org/r/20230306200457.3903854-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-07 13:44:30 -08:00
Mike Rapoport (IBM) 87eae26099 docs/mm: hugetlbfs_reserv: fix a reference to a file that doesn't exist
kbuild reports:

>> Warning: Documentation/mm/hugetlbfs_reserv.rst references a file that doesn't exist: Documentation/mm/hugetlbpage.rst
>> Warning: Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst references a file that doesn't exist: Documentation/mm/hugetlbpage.rst

Fix the filename to be 'Documentation/admin-guide/mm/hugetlbpage.rst'.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202302231854.sKlCmx9K-lkp@intel.com/
Fixes: ee86588960 ("docs/mm: remove useless markup")
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Link: https://lore.kernel.org/r/20230224100306.2287696-2-rppt@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-03-07 10:31:49 -07:00
Mike Rapoport (IBM) 3b80a03d45 docs/mm: Physical Memory: fix a reference to a file that doesn't exist
kbuild reports:

>> Warning: Documentation/mm/physical_memory.rst references a file that doesn't exist: Documentation/admin-guide/mm/memory_hotplug.rst

Fix the filename to be 'Documentation/admin-guide/mm/memory-hotplug.rst'.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202302231311.567PAoS2-lkp@intel.com/
Fixes: 353c7dd636 ("docs/mm: Physical Memory: remove useless markup")
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Link: https://lore.kernel.org/r/20230224100306.2287696-1-rppt@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-03-07 10:31:49 -07:00
Uwe Kleine-König a414684e3b docs: rebasing-and-merging: Drop wrong statement about git
The "^0" syntax is no longer needed to fast-forward to a mainline commit;
take that out and add --ff-only to force an error if fast-forward is not
possible.

Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
[jc: rewrote changelog]
Link: https://lore.kernel.org/r/20230228134657.1797871-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-03-07 10:26:22 -07:00
Miguel Ojeda 0b02076f99 docs: programming-language: add Rust programming language section
Following the C text in the file, add a mention about the Rust
programming language, the currently supported compiler and
the edition used (similar to the "dialect" mention for C).

Similarly, add a mention about the unstable features used (similar
to the "extensions" mentions for C).

In addition, add some links to complement the information.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20230306191712.230658-2-ojeda@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-03-07 10:24:40 -07:00
Miguel Ojeda 38484a1d0c docs: programming-language: remove mention of the Intel compiler
The Intel compiler support has been removed in commit 95207db816
("Remove Intel compiler support").

Thus remove its mention in the Documentation too.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20230306191712.230658-1-ojeda@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-03-07 10:24:40 -07:00
Glenn Washburn 7459608579 docs: Correct missing "d_" prefix for dentry_operations member d_weak_revalidate
The details for struct dentry_operations member d_weak_revalidate is
missing a "d_" prefix.

Fixes: af96c1e304 ("docs: filesystems: vfs: Convert vfs.txt to RST")
Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20230227184042.2375235-1-development@efficientek.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-03-07 10:21:11 -07:00
Song Shuai 5d89176af1 sched/doc: supplement CPU capacity with RISC-V
This commit 7d2078310c ("dt-bindings: arm: move cpu-capacity to a
shared loation") updates some references about capacity-dmips-mhz
property in this document.

The list of architectures using capacity-dmips-mhz omits RISC-V, so
supplements it here.

Signed-off-by: Song Shuai <suagrfillet@gmail.com>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com> # English
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Alex Shi <alexs@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230227105941.2749193-1-suagrfillet@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-03-07 10:19:04 -07:00
Andy Shevchenko c29b97725c ACPI: docs: enumeration: Correct reference to the I²C device data type
I²C peripheral devices that are connected to the controller are
represented in the Linux kernel as objects of the struct i2c_client.
Fix this in the documentation.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rjw@rjwysocki.net>
2023-03-07 14:09:49 +01:00
Jakub Kicinski 36e5e391a2 bpf-next-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
pull-request: bpf-next 2023-03-06

We've added 85 non-merge commits during the last 13 day(s) which contain
a total of 131 files changed, 7102 insertions(+), 1792 deletions(-).

The main changes are:

1) Add skb and XDP typed dynptrs which allow BPF programs for more
   ergonomic and less brittle iteration through data and variable-sized
   accesses, from Joanne Koong.

2) Bigger batch of BPF verifier improvements to prepare for upcoming BPF
   open-coded iterators allowing for less restrictive looping capabilities,
   from Andrii Nakryiko.

3) Rework RCU enforcement in the verifier, add kptr_rcu and enforce BPF
   programs to NULL-check before passing such pointers into kfunc,
   from Alexei Starovoitov.

4) Add support for kptrs in percpu hashmaps, percpu LRU hashmaps and in
   local storage maps, from Kumar Kartikeya Dwivedi.

5) Add BPF verifier support for ST instructions in convert_ctx_access()
   which will help new -mcpu=v4 clang flag to start emitting them,
   from Eduard Zingerman.

6) Make uprobe attachment Android APK aware by supporting attachment
   to functions inside ELF objects contained in APKs via function names,
   from Daniel Müller.

7) Add a new flag BPF_F_TIMER_ABS flag for bpf_timer_start() helper
   to start the timer with absolute expiration value instead of relative
   one, from Tero Kristo.

8) Add a new kfunc bpf_cgroup_from_id() to look up cgroups via id,
   from Tejun Heo.

9) Extend libbpf to support users manually attaching kprobes/uprobes
   in the legacy/perf/link mode, from Menglong Dong.

10) Implement workarounds in the mips BPF JIT for DADDI/R4000,
   from Jiaxun Yang.

11) Enable mixing bpf2bpf and tailcalls for the loongarch BPF JIT,
    from Hengqi Chen.

12) Extend BPF instruction set doc with describing the encoding of BPF
    instructions in terms of how bytes are stored under big/little endian,
    from Jose E. Marchesi.

13) Follow-up to enable kfunc support for riscv BPF JIT, from Pu Lehui.

14) Fix bpf_xdp_query() backwards compatibility on old kernels,
    from Yonghong Song.

15) Fix BPF selftest cross compilation with CLANG_CROSS_FLAGS,
    from Florent Revest.

16) Improve bpf_cpumask_ma to only allocate one bpf_mem_cache,
    from Hou Tao.

17) Fix BPF verifier's check_subprogs to not unnecessarily mark
    a subprogram with has_tail_call, from Ilya Leoshkevich.

18) Fix arm syscall regs spec in libbpf's bpf_tracing.h, from Puranjay Mohan.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (85 commits)
  selftests/bpf: Add test for legacy/perf kprobe/uprobe attach mode
  selftests/bpf: Split test_attach_probe into multi subtests
  libbpf: Add support to set kprobe/uprobe attach mode
  tools/resolve_btfids: Add /libsubcmd to .gitignore
  bpf: add support for fixed-size memory pointer returns for kfuncs
  bpf: generalize dynptr_get_spi to be usable for iters
  bpf: mark PTR_TO_MEM as non-null register type
  bpf: move kfunc_call_arg_meta higher in the file
  bpf: ensure that r0 is marked scratched after any function call
  bpf: fix visit_insn()'s detection of BPF_FUNC_timer_set_callback helper
  bpf: clean up visit_insn()'s instruction processing
  selftests/bpf: adjust log_fixup's buffer size for proper truncation
  bpf: honor env->test_state_freq flag in is_state_visited()
  selftests/bpf: enhance align selftest's expected log matching
  bpf: improve regsafe() checks for PTR_TO_{MEM,BUF,TP_BUFFER}
  bpf: improve stack slot state printing
  selftests/bpf: Disassembler tests for verifier.c:convert_ctx_access()
  selftests/bpf: test if pointer type is tracked for BPF_ST_MEM
  bpf: allow ctx writes using BPF_ST_MEM instruction
  bpf: Use separate RCU callbacks for freeing selem
  ...
====================

Link: https://lore.kernel.org/r/20230307004346.27578-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-06 20:36:39 -08:00
Jakub Kicinski 757b56a6c7 bpf-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2023-03-06

We've added 8 non-merge commits during the last 7 day(s) which contain
a total of 9 files changed, 64 insertions(+), 18 deletions(-).

The main changes are:

1) Fix BTF resolver for DATASEC sections when a VAR points at a modifier,
   that is, keep resolving such instances instead of bailing out,
   from Lorenz Bauer.

2) Fix BPF test framework with regards to xdp_frame info misplacement
   in the "live packet" code, from Alexander Lobakin.

3) Fix an infinite loop in BPF sockmap code for TCP/UDP/AF_UNIX,
   from Liu Jian.

4) Fix a build error for riscv BPF JIT under PERF_EVENTS=n,
   from Randy Dunlap.

5) Several BPF doc fixes with either broken links or external instead
   of internal doc links, from Bagas Sanjaya.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: check that modifier resolves after pointer
  btf: fix resolving BTF_KIND_VAR after ARRAY, STRUCT, UNION, PTR
  bpf, test_run: fix &xdp_frame misplacement for LIVE_FRAMES
  bpf, doc: Link to submitting-patches.rst for general patch submission info
  bpf, doc: Do not link to docs.kernel.org for kselftest link
  bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser()
  riscv, bpf: Fix patch_text implicit declaration
  bpf, docs: Fix link to BTF doc
====================

Link: https://lore.kernel.org/r/20230306215944.11981-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-06 20:28:00 -08:00
Bagas Sanjaya b7abcd9c65 bpf, doc: Link to submitting-patches.rst for general patch submission info
The link for patch submission information in general refers to index
page for "Working with the kernel development community" section of
kernel docs, whereas the link should have been
Documentation/process/submitting-patches.rst instead.

Fix it by replacing the index target with the appropriate doc.

Fixes: 5422283848 ("bpf, doc: convert bpf_devel_QA.rst to use RST formatting")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230228074523.11493-3-bagasdotme@gmail.com
2023-03-06 16:44:39 +01:00
Bagas Sanjaya 32db18d606 bpf, doc: Do not link to docs.kernel.org for kselftest link
The question on how to run BPF selftests have a reference link to kernel
selftest documentation (Documentation/dev-tools/kselftest.rst). However,
it uses external link to the documentation at kernel.org/docs (aka
docs.kernel.org) instead, which requires Internet access.

Fix this and replace the link with internal linking, by using :doc: directive
while keeping the anchor text.

Fixes: b7a27c3aaf ("bpf, doc: howto use/run the BPF selftests")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230228074523.11493-2-bagasdotme@gmail.com
2023-03-06 16:44:34 +01:00
Linus Torvalds 7f9ec7d816 A small set of updates for x86:
- Return -EIO instead of success when the certificate buffer for SEV
    guests is not large enough.
 
  - Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared on
    return to userspace for performance reasons, but the leaves user space
    vulnerable to cross-thread attacks which STIBP prevents. Update the
    documentation accordingly.
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Merge tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 updates from Thomas Gleixner:
 "A small set of updates for x86:

   - Return -EIO instead of success when the certificate buffer for SEV
     guests is not large enough

   - Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared
     on return to userspace for performance reasons, but the leaves user
     space vulnerable to cross-thread attacks which STIBP prevents.
     Update the documentation accordingly"

* tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  virt/sev-guest: Return -EIO if certificate buffer is not large enough
  Documentation/hw-vuln: Document the interaction between IBRS and STIBP
  x86/speculation: Allow enabling STIBP with legacy IBRS
2023-03-05 11:27:48 -08:00
Linus Torvalds d172859ebf sound fixes for 6.3-rc1
A collection of various small fixes that have been gathered since
 the last PR.  The majority of changes are for ASoC, and there is
 a small change in ASoC PCM core, but the rest are all for driver-
 specific fixes / quirks / updates.
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Merge tag 'sound-fix-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of various small fixes that have been gathered since the
  last PR.

  The majority of changes are for ASoC, and there is a small change in
  ASoC PCM core, but the rest are all for driver- specific fixes /
  quirks / updates"

* tag 'sound-fix-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (32 commits)
  ALSA: ice1712: Delete unreachable code in aureon_add_controls()
  ALSA: ice1712: Do not left ice->gpio_mutex locked in aureon_add_controls()
  ALSA: hda/realtek: Add quirk for HP EliteDesk 800 G6 Tower PC
  ALSA: hda/realtek: Improve support for Dell Precision 3260
  ASoC: mediatek: mt8195: add missing initialization
  ASoC: mediatek: mt8188: add missing initialization
  ASoC: amd: yc: Add DMI entries to support HP OMEN 16-n0xxx (8A43)
  ASoC: zl38060 add gpiolib dependency
  ASoC: sam9g20ek: Disable capture unless building with microphone input
  ASoC: mt8192: Fix range for sidetone positive gain
  ASoC: mt8192: Report an error if when an invalid sidetone gain is written
  ASoC: mt8192: Fix event generation for controls
  ASoC: mt8192: Remove spammy log messages
  ASoC: mchp-pdmc: fix poc noise at capture startup
  ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding
  ASoC: soc-pcm: add option to start DMA after DAI
  ASoC: mt8183: Fix event generation for I2S DAI operations
  ASoC: mt8183: Remove spammy logging from I2S DAI driver
  ASoC: mt6358: Remove undefined HPx Mux enumeration values
  ASoC: mt6358: Validate Wake on Voice 2 writes
  ...
2023-03-04 10:53:59 -08:00
Linus Torvalds 0988a0ea79 power supply changes for the v6.3 series (part 2)
- Fix DT binding for Richtek RT9467
 - Fix a NULL pointer check in the power-supply core
 - Document meaning of absent "present" property
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Merge tag 'for-v6.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull more power supply updates from Sebastian Reichel:

 - Fix DT binding for Richtek RT9467

 - Fix a NULL pointer check in the power-supply core

 - Document meaning of absent "present" property

* tag 'for-v6.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  dt-bindings: power: supply: Revise Richtek RT9467 compatible name
  ABI: testing: sysfs-class-power: Document absence of "present" property
  power: supply: fix null pointer check order in __power_supply_register
2023-03-03 16:33:28 -08:00
Linus Torvalds 271d89394e RTC for 6.3
Subsystem:
  - allow rtc_read_alarm without read_alarm callback
 
 New driver:
  - NXP BBNSM module RTC
 
 Drivers:
  - use IRQ flags from fwnode when available
  - abx80x: nvmem support
  - brcmstb-waketimer: add non-wake alarm support
  - ingenic: provide CLK32K clock
  - isl12022: cleanups
  - moxart: switch to using gpiod API
  - pcf85363: allow setting quartz load
  - pm8xxx: cleanups and support for setting time
  - rv3028, rv3032: add ACPI support
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Merge tag 'rtc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "A few drivers got some nice cleanups and a new driver are making the
  bulk of the changes.

  Subsystem:
   - allow rtc_read_alarm without read_alarm callback

  New driver:
   - NXP BBNSM module RTC

  Drivers:
   - use IRQ flags from fwnode when available
   - abx80x: nvmem support
   - brcmstb-waketimer: add non-wake alarm support
   - ingenic: provide CLK32K clock
   - isl12022: cleanups
   - moxart: switch to using gpiod API
   - pcf85363: allow setting quartz load
   - pm8xxx: cleanups and support for setting time
   - rv3028, rv3032: add ACPI support"

* tag 'rtc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (64 commits)
  rtc: pm8xxx: add support for nvmem offset
  dt-bindings: rtc: qcom-pm8xxx: add nvmem-cell offset
  rtc: abx80x: Add nvmem support
  rtc: rx6110: Remove unused of_gpio,h
  rtc: efi: Avoid spamming the log on RTC read failure
  rtc: isl12022: sort header inclusion alphabetically
  rtc: isl12022: Join string literals back
  rtc: isl12022: Drop unneeded OF guards and of_match_ptr()
  rtc: isl12022: Explicitly use __le16 type for ISL12022_REG_TEMP_L
  rtc: isl12022: Get rid of unneeded private struct isl12022
  rtc: pcf85363: add support for the quartz-load-femtofarads property
  dt-bindings: rtc: nxp,pcf8563: move pcf85263/pcf85363 to a dedicated binding
  rtc: allow rtc_read_alarm without read_alarm callback
  rtc: rv3032: add ACPI support
  rtc: rv3028: add ACPI support
  rtc: bbnsm: Add the bbnsm rtc support
  rtc: jz4740: Register clock provider for the CLK32K pin
  rtc: jz4740: Use dev_err_probe()
  rtc: jz4740: Use readl_poll_timeout
  dt-bindings: rtc: Add #clock-cells property
  ...
2023-03-03 09:15:50 -08:00
Alexei Starovoitov 20c09d92fa bpf: Introduce kptr_rcu.
The life time of certain kernel structures like 'struct cgroup' is protected by RCU.
Hence it's safe to dereference them directly from __kptr tagged pointers in bpf maps.
The resulting pointer is MEM_RCU and can be passed to kfuncs that expect KF_RCU.
Derefrence of other kptr-s returns PTR_UNTRUSTED.

For example:
struct map_value {
   struct cgroup __kptr *cgrp;
};

SEC("tp_btf/cgroup_mkdir")
int BPF_PROG(test_cgrp_get_ancestors, struct cgroup *cgrp_arg, const char *path)
{
  struct cgroup *cg, *cg2;

  cg = bpf_cgroup_acquire(cgrp_arg); // cg is PTR_TRUSTED and ref_obj_id > 0
  bpf_kptr_xchg(&v->cgrp, cg);

  cg2 = v->cgrp; // This is new feature introduced by this patch.
  // cg2 is PTR_MAYBE_NULL | MEM_RCU.
  // When cg2 != NULL, it's a valid cgroup, but its percpu_ref could be zero

  if (cg2)
    bpf_cgroup_ancestor(cg2, level); // safe to do.
}

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230303041446.3630-4-alexei.starovoitov@gmail.com
2023-03-03 17:42:20 +01:00
Alexei Starovoitov 03b77e17ae bpf: Rename __kptr_ref -> __kptr and __kptr -> __kptr_untrusted.
__kptr meant to store PTR_UNTRUSTED kernel pointers inside bpf maps.
The concept felt useful, but didn't get much traction,
since bpf_rdonly_cast() was added soon after and bpf programs received
a simpler way to access PTR_UNTRUSTED kernel pointers
without going through restrictive __kptr usage.

Rename __kptr_ref -> __kptr and __kptr -> __kptr_untrusted to indicate
its intended usage.
The main goal of __kptr_untrusted was to read/write such pointers
directly while bpf_kptr_xchg was a mechanism to access refcnted
kernel pointers. The next patch will allow RCU protected __kptr access
with direct read. At that point __kptr_untrusted will be deprecated.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230303041446.3630-2-alexei.starovoitov@gmail.com
2023-03-03 17:42:20 +01:00
Takashi Iwai fb2e5fc8c8 ASoC: Fixes for v6.3
Almost all of this is driver specific fixes and new IDs that have come
 in during the merge window.  A good chunk of them are simple ones from
 me which came about due to a bunch of Mediatek Chromebooks being enabled
 in KernelCI, there's more where that came from.
 
 We do have one small feature added to the PCM core by Claudiu Beznea in
 order to allow the sequencing required to resolve a noise issue with the
 Microchip PDMC driver.
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Merge tag 'asoc-fix-v6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.3

Almost all of this is driver specific fixes and new IDs that have come
in during the merge window.  A good chunk of them are simple ones from
me which came about due to a bunch of Mediatek Chromebooks being enabled
in KernelCI, there's more where that came from.

We do have one small feature added to the PCM core by Claudiu Beznea in
order to allow the sequencing required to resolve a noise issue with the
Microchip PDMC driver.
2023-03-03 14:21:13 +01:00
Jakub Kicinski bcec7171eb netlink: specs: update for codegen enumerating from 1
Now that the codegen rules had been changed we can update
the specs to reflect the new default.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-03 08:22:39 +00:00
Jakub Kicinski ad4fafcde5 tools: ynl: use 1 as the default for first entry in attrs/ops
Pretty much all families use value: 1 or reserve as unspec
the first entry in attribute set and the first operation.
Make this the default. Update documentation (the doc for
values of operations just refers back to doc for attrs
so updating only attrs).

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-03 08:22:39 +00:00
Jakub Kicinski 7cf93538e0 tools: ynl: fully inherit attrs in subsets
To avoid having to repeat the entire definition of an attribute
(including the value) use the Attr object from the original set.
In fact this is already the documented expectation.

Fixes: be5bea1cc0 ("net: add basic C code generators for Netlink")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-03 08:22:39 +00:00
David Vernet cacad346f6 bpf, docs: Fix final bpf docs build failure
maps.rst in the BPF documentation links to the
/userspace-api/ebpf/syscall document
(Documentation/userspace-api/ebpf/syscall.rst). For some reason, if you
try to reference the document with :doc:, the docs build emits the
following warning:

./Documentation/bpf/maps.rst:13: WARNING: \
    unknown document: '/userspace-api/ebpf/syscall'

It appears that other places in the docs tree also don't support using
:doc:. Elsewhere in the BPF documentation, we just reference the kernel
docs page directly. Let's do that here to clean up the last remaining
noise in the docs build.

Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230302183918.54190-2-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-02 22:36:10 -08:00
David Vernet d56b0c461d bpf, docs: Fix link to netdev-FAQ target
The BPF devel Q&A documentation page makes frequent reference to the
netdev-QA page via the netdev-FAQ rst link. This link is currently
broken, as is evidenced by the build output when making BPF docs:

./Documentation/bpf/bpf_devel_QA.rst:150: WARNING: undefined label: 'netdev-faq'
./Documentation/bpf/bpf_devel_QA.rst:206: WARNING: undefined label: 'netdev-faq'
./Documentation/bpf/bpf_devel_QA.rst:231: WARNING: undefined label: 'netdev-faq'
./Documentation/bpf/bpf_devel_QA.rst:396: WARNING: undefined label: 'netdev-faq'
./Documentation/bpf/bpf_devel_QA.rst:412: WARNING: undefined label: 'netdev-faq'

Fix the links to point to the actual netdev-faq page.

Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230302183918.54190-1-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-02 22:36:10 -08:00
Linus Torvalds a9a01e1238 linux-watchdog 6.3-rc1 tag
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Merge tag 'linux-watchdog-6.3-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - qcom-wdt dt-bindings improvements and additions (like MSM8994 and
   MDM9615)

 - mtk_wdt: Add reset_by_toprgu support

 - devm_clk_get_enabled() helper changes

 - Fix kmemleak in watchdog_cdev_register

 - watchdog sysfs improvements

 - Other fixes and small improvements

* tag 'linux-watchdog-6.3-rc1' of git://www.linux-watchdog.org/linux-watchdog: (52 commits)
  watchdog: at91rm9200: Only warn once about problems in .remove()
  watchdog: mt7621-wdt: avoid ralink architecture dependent code
  watchdog: mt7621-wdt: avoid static global declarations
  dt-bindings: watchdog: mt7621-wdt: add phandle to access system controller registers
  watchdog: sbsa_wdog: Make sure the timeout programming is within the limits
  dt-bindings: watchdog: qcom-wdt: add qcom,apss-wdt-sa8775p compatible
  watchdog: report options in sysfs
  watchdog: report fw_version in sysfs
  dt-bindings: watchdog: fsl-imx: document suspend in wait mode
  watchdog: imx2_wdg: suspend watchdog in WAIT mode
  watchdog: pcwd_usb: Fix attempting to access uninitialized memory
  dt-bindings: watchdog: qcom-wdt: merge MSM timer
  dt-bindings: watchdog: qcom-wdt: allow interrupts
  dt-bindings: watchdog: qcom-wdt: add qcom,kpss-wdt-mdm9615
  dt-bindings: watchdog: qcom-wdt: fix list of MSM timer compatibles
  dt-bindings: watchdog: qcom-wdt: do not allow fallback alone
  dt-bindings: watchdog: qcom-wdt: require fallback for IPQ4019
  watchdog: Fix kmemleak in watchdog_cdev_register
  watchdog: Include <linux/kstrtox.h> when appropriate
  watchdog: at91sam9_wdt: use devm_request_irq to avoid missing free_irq() in error path
  ...
2023-03-02 11:12:01 -08:00
Sergio Paracuellos ff75e4eb71 dt-bindings: watchdog: mt7621-wdt: add phandle to access system controller registers
MT7621 SoC provides a system controller node for accessing to some registers.
Add a phandle in this node to avoid using MIPS related arch operations and
includes in watchdog driver code.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230214103936.1061078-2-sergio.paracuellos@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2023-03-02 06:51:17 +01:00
David Vernet db52b587c6 bpf, docs: Fix __uninit kfunc doc section
In commit d96d937d7c ("bpf: Add __uninit kfunc annotation"), the
__uninit kfunc annotation was documented in kfuncs.rst. You have to
fully underline a section in rst, or the build will issue a warning that
the title underline is too short:

./Documentation/bpf/kfuncs.rst:104: WARNING: Title underline too short.

2.2.2 __uninit Annotation
--------------------

This patch fixes that title underline.

Fixes: d96d937d7c ("bpf: Add __uninit kfunc annotation")
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230301194910.602738-2-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-01 16:00:10 -08:00
Joanne Koong d96d937d7c bpf: Add __uninit kfunc annotation
This patch adds __uninit as a kfunc annotation.

This will be useful for scenarios such as for example in dynptrs,
indicating whether the dynptr should be checked by the verifier as an
initialized or an uninitialized dynptr.

Without this annotation, the alternative would be needing to hard-code
in the verifier the specific kfunc to indicate that arg should be
treated as an uninitialized arg.

Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Link: https://lore.kernel.org/r/20230301154953.641654-7-joannelkoong@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-01 09:55:24 -08:00
Linus Torvalds 64e851689e This pull request contains the following changes for UML:
- Add support for rust (yay!)
 - Add support for LTO
 - Add platform bus support to virtio-pci
 - Various virtio fixes
 - Coding style, spelling cleanups
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Merge tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

Pull UML updates from Richard Weinberger:

 - Add support for rust (yay!)

 - Add support for LTO

 - Add platform bus support to virtio-pci

 - Various virtio fixes

 - Coding style, spelling cleanups

* tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (27 commits)
  Documentation: rust: Fix arch support table
  uml: vector: Remove unused definitions VECTOR_{WRITE,HEADERS}
  um: virt-pci: properly remove PCI device from bus
  um: virtio_uml: move device breaking into workqueue
  um: virtio_uml: mark device as unregistered when breaking it
  um: virtio_uml: free command if adding to virtqueue failed
  UML: define RUNTIME_DISCARD_EXIT
  virt-pci: add platform bus support
  um-virt-pci: Make max delay configurable
  um: virt-pci: implement pcibios_get_phb_of_node()
  um: Support LTO
  um: put power options in a menu
  um: Use CFLAGS_vmlinux
  um: Prevent building modules incompatible with MODVERSIONS
  um: Avoid pcap multiple definition errors
  um: Make the definition of cpu_data more compatible
  x86: um: vdso: Add '%rcx' and '%r11' to the syscall clobber list
  rust: arch/um: Add support for CONFIG_RUST under x86_64 UML
  rust: arch/um: Disable FP/SIMD instruction to match x86
  rust: arch/um: Use 'pie' relocation mode under UML
  ...
2023-03-01 09:13:00 -08:00
Linus Torvalds b1f1382a11 A handful of documentation patches that were ready before the merge window,
but which I didn't get merged for the first round:
 
 - A recommendation from Thorsten (also akpm) on use of Link tags to point
   out problem reports.
 
 - Some front-page formatting tweaks
 
 - Another Spanish translation
 
 - One typo(ish) fix.
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Merge tag 'docs-6.3-2' of git://git.lwn.net/linux

Pull Documentation stragglers from Jonathan Corbet:
 "A handful of documentation patches that were ready before the merge
  window, but which I didn't get merged for the first round:

   - A recommendation from Thorsten (also akpm) on use of Link tags to
     point out problem reports

   - Some front-page formatting tweaks

   - Another Spanish translation

   - One typo(ish) fix"

* tag 'docs-6.3-2' of git://git.lwn.net/linux:
  docs: recommend using Link: whenever using Reported-by:
  Documentation: front page: use recommended heading adornments
  docs/sp_SP: Add process programming-language translation
  docs: locking: refer to the actual existing config names
2023-02-28 16:01:08 -08:00
Jose E. Marchesi ae256f9547 bpf, docs: Document BPF insn encoding in term of stored bytes
[Changes from V4:
- s/regs:16/regs:8 in figure.]

[Changes from V3:
- Back to src_reg and dst_reg, since they denote register numbers
  as opposed to the values stored in these registers.]

[Changes from V2:
- Use src and dst consistently in the document.
- Use a more graphical depiction of the 128-bit instruction.
- Remove `Where:' fragment.
- Clarify that unused bits are reserved and shall be zeroed.]

[Changes from V1:
- Use rst literal blocks for figures.
- Avoid using | in the basic instruction/pseudo instruction figure.
- Rebased to today's bpf-next master branch.]

This patch modifies instruction-set.rst so it documents the encoding
of BPF instructions in terms of how the bytes are stored (be it in an
ELF file or as bytes in a memory buffer to be loaded into the kernel
or some other BPF consumer) as opposed to how the instruction looks
like once loaded.

This is hopefully easier to understand by implementors looking to
generate and/or consume bytes conforming BPF instructions.

The patch also clarifies that the unused bytes in a pseudo-instruction
shall be cleared with zeros.

Signed-off-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/87h6v6i0da.fsf_-_@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-02-28 09:55:18 -08:00
Linus Torvalds e492250d52 pwm: Changes for v6.3-rc1
This rather small set of changes includes some minor fixes and
 improvements. The AB8500 driver gained support for reading the initial
 hardware state and the Synopsys DesignWare driver received some work to
 prepare for device tree and platform support.
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Merge tag 'pwm/for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This rather small set of changes includes some minor fixes and
  improvements.

  The AB8500 driver gained support for reading the initial hardware
  state and the Synopsys DesignWare driver received some work to prepare
  for device tree and platform support"

* tag 'pwm/for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: dwc: Use devm_pwmchip_add()
  pwm: dwc: Move memory allocation to own function
  pwm: dwc: Change &pci->dev to dev in probe
  dt-bindings: pwm: Document Synopsys DesignWare snps,pwm-dw-apb-timers-pwm2
  pwm: iqs620a: Replace one remaining instance of regmap_update_bits()
  pwm: ab8500: Implement .get_state()
  pwm: ab8500: Fix calculation of duty and period
  pwm: lp3943: Drop unused i2c include
  dt-bindings: pwm: mediatek: Convert pwm-mediatek to DT schema
  pwm: stm32-lp: fix the check on arr and cmp registers update
  pwm: Move pwm_capture() dummy to restore order
  pwm: sifive: Always let the first pwm_apply_state succeed
2023-02-28 09:12:47 -08:00
Claudiu Beznea 143a2f011c
ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding
PDMC can work with different types of microphones, thus different boards
could have different microphones. Depending on microphone type the PDMC
would need to wait longer or shorter period (at startup) than the default
chosen one to filter unwanted noise. Thus add microchip,startup-delay-us
binding to let PDMC users to specify startup delay.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230228110145.3770525-3-claudiu.beznea@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-02-28 13:58:49 +00:00
Linus Torvalds 103830683c f2fs-for-6.3-rc1
In this round, we've got a huge number of patches that improve code readability
 along with minor bug fixes, while we've mainly fixed some critical issues in
 recently-added per-block age-based extent_cache, atomic write support, and some
 folio cases.
 
 Enhancement:
  - add sysfs nodes to set last_age_weight and manage discard_io_aware_gran
  - show ipu policy in debugfs
  - reduce stack memory cost by using bitfield in struct f2fs_io_info
  - introduce trace_f2fs_replace_atomic_write_block
  - enhance iostat support and adds flush commands
 
 Bug fix:
  - revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
  - fix kernel crash on the atomic write abort flow
  - call clear_page_private_reference in .{release,invalid}_folio
  - support .migrate_folio for compressed inode
  - fix cgroup writeback accounting with fs-layer encryption
  - retry to update the inode page given data corruption
  - fix kernel crash due to null io->bio
  - fix some bugs in per-block age-based extent_cache:
     a. wrong calculation of block age
     b. update age extent in f2fs_do_zero_range()
     c. update age extent correctly during truncation
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Merge tag 'f2fs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've got a huge number of patches that improve code
  readability along with minor bug fixes, while we've mainly fixed some
  critical issues in recently-added per-block age-based extent_cache,
  atomic write support, and some folio cases.

  Enhancements:

   - add sysfs nodes to set last_age_weight and manage
     discard_io_aware_gran

   - show ipu policy in debugfs

   - reduce stack memory cost by using bitfield in struct f2fs_io_info

   - introduce trace_f2fs_replace_atomic_write_block

   - enhance iostat support and adds flush commands

  Bug fixes:

   - revert "f2fs: truncate blocks in batch in __complete_revoke_list()"

   - fix kernel crash on the atomic write abort flow

   - call clear_page_private_reference in .{release,invalid}_folio

   - support .migrate_folio for compressed inode

   - fix cgroup writeback accounting with fs-layer encryption

   - retry to update the inode page given data corruption

   - fix kernel crash due to NULL io->bio

   - fix some bugs in per-block age-based extent_cache:
       - wrong calculation of block age
       - update age extent in f2fs_do_zero_range()
       - update age extent correctly during truncation"

* tag 'f2fs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (81 commits)
  f2fs: drop unnecessary arg for f2fs_ioc_*()
  f2fs: Revert "f2fs: truncate blocks in batch in __complete_revoke_list()"
  f2fs: synchronize atomic write aborts
  f2fs: fix wrong segment count
  f2fs: replace si->sbi w/ sbi in stat_show()
  f2fs: export ipu policy in debugfs
  f2fs: make kobj_type structures constant
  f2fs: fix to do sanity check on extent cache correctly
  f2fs: add missing description for ipu_policy node
  f2fs: fix to set ipu policy
  f2fs: fix typos in comments
  f2fs: fix kernel crash due to null io->bio
  f2fs: use iostat_lat_type directly as a parameter in the iostat_update_and_unbind_ctx()
  f2fs: add sysfs nodes to set last_age_weight
  f2fs: fix f2fs_show_options to show nogc_merge mount option
  f2fs: fix cgroup writeback accounting with fs-layer encryption
  f2fs: fix wrong calculation of block age
  f2fs: fix to update age extent in f2fs_do_zero_range()
  f2fs: fix to update age extent correctly during truncation
  f2fs: fix to avoid potential memory corruption in __update_iostat_latency()
  ...
2023-02-27 16:18:51 -08:00
Linus Torvalds 5ca26d6039 Including fixes from wireless and netfilter.
Current release - regressions:
 
  - phy: multiple fixes for EEE rework
 
  - wifi: wext: warn about usage only once
 
  - wifi: ath11k: allow system suspend to survive ath11k
 
 Current release - new code bugs:
 
  - mlx5: Fix memory leak in IPsec RoCE creation
 
  - ibmvnic: assign XPS map to correct queue index
 
 Previous releases - regressions:
 
  - netfilter: ip6t_rpfilter: Fix regression with VRF interfaces
 
  - netfilter: ctnetlink: make event listener tracking global
 
  - nf_tables: allow to fetch set elements when table has an owner
 
  - mlx5:
    - fix skb leak while fifo resync and push
    - fix possible ptp queue fifo use-after-free
 
 Previous releases - always broken:
 
  - sched: fix action bind logic
 
  - ptp: vclock: use mutex to fix "sleep on atomic" bug if driver
    also uses a mutex
 
  - netfilter: conntrack: fix rmmod double-free race
 
  - netfilter: xt_length: use skb len to match in length_mt6,
    avoid issues with BIG TCP
 
 Misc:
 
  - ice: remove unnecessary CONFIG_ICE_GNSS
 
  - mlx5e: remove hairpin write debugfs files
 
  - sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from wireless and netfilter.

  The notable fixes here are the EEE fix which restores boot for many
  embedded platforms (real and QEMU); WiFi warning suppression and the
  ICE Kconfig cleanup.

  Current release - regressions:

   - phy: multiple fixes for EEE rework

   - wifi: wext: warn about usage only once

   - wifi: ath11k: allow system suspend to survive ath11k

  Current release - new code bugs:

   - mlx5: Fix memory leak in IPsec RoCE creation

   - ibmvnic: assign XPS map to correct queue index

  Previous releases - regressions:

   - netfilter: ip6t_rpfilter: Fix regression with VRF interfaces

   - netfilter: ctnetlink: make event listener tracking global

   - nf_tables: allow to fetch set elements when table has an owner

   - mlx5:
      - fix skb leak while fifo resync and push
      - fix possible ptp queue fifo use-after-free

  Previous releases - always broken:

   - sched: fix action bind logic

   - ptp: vclock: use mutex to fix "sleep on atomic" bug if driver also
     uses a mutex

   - netfilter: conntrack: fix rmmod double-free race

   - netfilter: xt_length: use skb len to match in length_mt6, avoid
     issues with BIG TCP

  Misc:

   - ice: remove unnecessary CONFIG_ICE_GNSS

   - mlx5e: remove hairpin write debugfs files

   - sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"

* tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
  tcp: tcp_check_req() can be called from process context
  net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard
  xen-netback: remove unused variables pending_idx and index
  net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy
  net: dsa: ocelot_ext: remove unnecessary phylink.h include
  net: mscc: ocelot: fix duplicate driver name error
  net: dsa: felix: fix internal MDIO controller resource length
  net: dsa: seville: ignore mscc-miim read errors from Lynx PCS
  net/sched: act_sample: fix action bind logic
  net/sched: act_mpls: fix action bind logic
  net/sched: act_pedit: fix action bind logic
  wifi: wext: warn about usage only once
  wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue
  qede: avoid uninitialized entries in coal_entry array
  nfc: fix memory leak of se_io context in nfc_genl_se_io
  ice: remove unnecessary CONFIG_ICE_GNSS
  net/sched: cls_api: Move call to tcf_exts_miss_cookie_base_destroy()
  ibmvnic: Assign XPS map to correct queue index
  docs: net: fix inaccuracies in msg_zerocopy.rst
  tools: net: add __pycache__ to gitignore
  ...
2023-02-27 14:05:08 -08:00
Bagas Sanjaya a07484c083 bpf, docs: Fix link to BTF doc
Ross reported broken link to BTF documentation
(Documentation/bpf/btf.rst) in Documentation/bpf/bpf_devel_QA.rst. The
link in question is written using external link syntax, with the target
refers to BTF doc in reST source (btf.rst), which doesn't exist in
resulting HTML output.

Fix the link by replacing external link syntax with simply writing out
the target doc, which the link will be generated to the correct HTML doc
target.

Fixes: 6736aa793c ("selftests/bpf: Add general instructions for test execution")
Reported-by: Ross Zwisler <zwisler@google.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Ross Zwisler <zwisler@google.com>
Link: https://lore.kernel.org/linux-doc/Y++09LKx25dtR4Ow@google.com/
Link: https://lore.kernel.org/bpf/20230222083530.26136-1-bagasdotme@gmail.com
2023-02-27 21:54:14 +01:00
Linus Torvalds 11c7052998 ARM: SoC drivers for 6.3
As usual, there are lots of minor driver changes across SoC platforms
 from  NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
 These usually add support for additional chip variations in existing
 drivers, but also add features or bugfixes.
 
 The SCMI firmware subsystem gains a unified raw userspace interface
 through debugfs, which can be used for validation purposes.
 
 Newly added drivers include:
 
  - New power management drivers for StarFive JH7110, Allwinner D1 and
    Renesas RZ/V2M
 
  - A driver for Qualcomm battery and power supply status
 
  - A SoC device driver for identifying Nuvoton WPCM450 chips
 
  - A regulator coupler driver for Mediatek MT81xxv
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Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "As usual, there are lots of minor driver changes across SoC platforms
  from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
  These usually add support for additional chip variations in existing
  drivers, but also add features or bugfixes.

  The SCMI firmware subsystem gains a unified raw userspace interface
  through debugfs, which can be used for validation purposes.

  Newly added drivers include:

   - New power management drivers for StarFive JH7110, Allwinner D1 and
     Renesas RZ/V2M

   - A driver for Qualcomm battery and power supply status

   - A SoC device driver for identifying Nuvoton WPCM450 chips

   - A regulator coupler driver for Mediatek MT81xxv"

* tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
  power: supply: Introduce Qualcomm PMIC GLINK power supply
  soc: apple: rtkit: Do not copy the reg state structure to the stack
  soc: sunxi: SUN20I_PPU should depend on PM
  memory: renesas-rpc-if: Remove redundant division of dummy
  soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
  dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
  dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
  firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
  MAINTAINERS: Update qcom CPR maintainer entry
  dt-bindings: firmware: document Qualcomm SM8550 SCM
  dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
  soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
  dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
  soc: qcom: socinfo: Add support for new field in revision 17
  soc: qcom: smd-rpm: Add IPQ9574 compatible
  soc: qcom: pmic_glink: remove redundant calculation of svid
  soc: qcom: stats: Populate all subsystem debugfs files
  dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
  soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
  soc: qcom: pmic_glink: Introduce altmode support
  ...
2023-02-27 10:04:49 -08:00
KP Singh e02b50ca44 Documentation/hw-vuln: Document the interaction between IBRS and STIBP
Explain why STIBP is needed with legacy IBRS as currently implemented
(KERNEL_IBRS) and why STIBP is not needed when enhanced IBRS is enabled.

Fixes: 7c693f54c8 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")
Signed-off-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230227060541.1939092-2-kpsingh@kernel.org
2023-02-27 19:02:47 +01:00
Linus Torvalds da15efe1a8 MMC core:
- Extend slot-gpio to be used for host specific card detect interrupts
  - Align to common busy polling behaviour for mmc ioctls
  - Suggest the BFQ I/O scheduler to be built along with MMC/SD support
  - Add devm_mmc_alloc_host() to enable further cleanups in host drivers
 
 MMC host:
  - atmel-mci: Fix race condition when stopping/starting a command
  - dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
  - dw_mmc-rockchip: Add support for the RK3588 variant
  - jz4740: Add support for the vqmmc power supply
  - meson-gx: Convert the DT bindings to the dt-schema
  - meson-gx: Enable the platform interrupt to be used for card detect
  - moxart: Set the supported maximum request/block/segment sizes
  - renesas,sdhi: Add support for the RZ/V2M variants
  - sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
  - sdhci-esdhc-imx: Improve tuning logic support
  - sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
  - sdhci-of-dwcmshc: Add the missing device table IDs for acpi
  - sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
  - sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
  - sdhci-pxav2: Add support for the PXA168 V1 variant
  - sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
  - uniphier-sd: Add support for SD UHS-I speed modes
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Merge tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Extend slot-gpio to be used for host specific card detect interrupts
   - Align to common busy polling behaviour for mmc ioctls
   - Suggest the BFQ I/O scheduler to be built along with MMC/SD support
   - Add devm_mmc_alloc_host() to enable further cleanups in host drivers

  MMC host:
   - atmel-mci: Fix race condition when stopping/starting a command
   - dw_mmc-starfive: Add new driver to support the StarFive JH7110 variant
   - dw_mmc-rockchip: Add support for the RK3588 variant
   - jz4740: Add support for the vqmmc power supply
   - meson-gx: Convert the DT bindings to the dt-schema
   - meson-gx: Enable the platform interrupt to be used for card detect
   - moxart: Set the supported maximum request/block/segment sizes
   - renesas,sdhi: Add support for the RZ/V2M variants
   - sdhci: Rework code to drop SDHCI_QUIRK_MISSING_CAPS
   - sdhci-esdhc-imx: Improve tuning logic support
   - sdhci-msm: Add support for the IPQ5332 and the IPQ9574 variants
   - sdhci-of-dwcmshc: Add the missing device table IDs for acpi
   - sdhci-of-dwcmshc: Improve clock support for the Rockchip variant
   - sdhci-of-dwcmshc: Enable support of V4 host for the BlueField-3 variant
   - sdhci-pxav2: Add support for the PXA168 V1 variant
   - sdhci-pxav2: Add support for SDIO IRQs for the PXA168 V1 variant
   - uniphier-sd: Add support for SD UHS-I speed modes"

* tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (59 commits)
  mmc: meson-gx: Use devm_platform_get_and_ioremap_resource()
  mmc: meson-gx: constify member data of struct meson_host
  mmc: meson-gx: use devm_clk_get_enabled() for core clock
  mmc: core: fix return value check in devm_mmc_alloc_host()
  dt-bindings: mmc: meson-gx: fix interrupt binding
  mmc: meson-gx: support platform interrupt as card detect interrupt
  dt-bindings: mmc: meson-gx: support specifying cd interrupt
  mmc: core: support setting card detect interrupt from drivers
  mmc: starfive: Add sdio/emmc driver support
  dt-bindings: mmc: Add StarFive MMC module
  dt-bindings: mmc: sdhci-msm: Allow 1 icc path
  dt-bindings: mmc: rockchip-dw-mshc: Add RK3588 compatible string
  mmc: core: Align to common busy polling behaviour for mmc ioctls
  dt-bindings: mmc: Add resets property to cadence SDHCI binding
  mmc: meson-gx: remove meson_mmc_get_cd
  mmc: moxart: set maximum request/block/segment sizes
  mmc: sdhci-brcmstb: Use devm_platform_get_and_ioremap_resource()
  mmc: sdhci-of-dwcmshc: add the missing device table IDs for acpi
  mmc: sdhci-of-dwcmshc: Update DLL and pre-change delay for rockchip platform
  mmc: jz4740: Add support for vqmmc power supply
  ...
2023-02-27 09:47:26 -08:00
Linus Torvalds f3a2439f20 remoteproc updates for v6.3
Support for PRU clients to acquire a control reference to the PRU
 instances is introduced, and the PRU now allows specifying firmware-name
 in Devicetree.  sysfs is requested to be read-only when the remoteproc
 instance is consumed by another kernel driver.
 
 Support for the C7xv DSP on AM62A SoC is introduced.
 
 The Devicetree binding for the Qualcomm PAS devices are split up in
 multiple files, to better account for the differences in resources
 between them. A number of missing Devicetree bindings are added, and the
 Qualcomm WCNSS binding is converted to YAML.
 
 A few cleanups are introduced for the Mediatek SCP driver. And a sanity
 check of the firmware image is introduced in the Mediatek driver.
 
 For Qualcomm SC7280 ADSP support is added, MSM8953 gains ADSP and modem
 support, SM6115 and SM8550 gains ADSP, CDSP and modem support, and
 support for pronto v3 support (used on e.g. MSM8953) is added.
 
 The Qualcomm modem remoteproc driver is modified to use a no-map
 reserved-memory region for it's authentication metadata, in order to
 avoid fatal security violations caused by accesses from Linux during
 the authentication process.
 
 Support for separate loading of a Devicetree blob is added to the PAS
 driver, and support for the PAS driver to carve out DSM memory for the
 modem is added as well.
 
 The Qualcomm ADSP remoteproc driver gains support for mapping memory
 into specific range using the IOMMU. The sysmon driver is transitioned
 to strlcpy()
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Merge tag 'rproc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:

 - Support for PRU clients to acquire a control reference to the PRU
   instances is introduced, and the PRU now allows specifying
   firmware-name in Devicetree. sysfs is requested to be read-only when
   the remoteproc instance is consumed by another kernel driver

 - Support for the C7xv DSP on AM62A SoC is introduced

 - The Devicetree binding for the Qualcomm PAS devices are split up in
   multiple files, to better account for the differences in resources
   between them. A number of missing Devicetree bindings are added, and
   the Qualcomm WCNSS binding is converted to YAML

 - A few cleanups are introduced for the Mediatek SCP driver. And a
   sanity check of the firmware image is introduced in the Mediatek
   driver

 - For Qualcomm SC7280 ADSP support is added, MSM8953 gains ADSP and
   modem support, SM6115 and SM8550 gains ADSP, CDSP and modem support,
   and support for pronto v3 support (used on e.g. MSM8953) is added

 - The Qualcomm modem remoteproc driver is modified to use a no-map
   reserved-memory region for it's authentication metadata, in order to
   avoid fatal security violations caused by accesses from Linux during
   the authentication process

 - Support for separate loading of a Devicetree blob is added to the PAS
   driver, and support for the PAS driver to carve out DSM memory for
   the modem is added as well

 - The Qualcomm ADSP remoteproc driver gains support for mapping memory
   into specific range using the IOMMU. The sysmon driver is
   transitioned to strlcpy()

* tag 'rproc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (69 commits)
  dt-bindings: mailbox: qcom,apcs-kpss-global: drop mbox-names from example
  dt-bindings: remoteproc: qcom,glink-edge: correct label description
  dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema
  dt-bindings: remoteproc: qcom,sm8550-pas: correct power domains
  remoteproc: qcom_q6v5_pas: enable sm8550 adsp & cdsp autoboot
  dt-bindings: remoteproc: qcom: Add sm6115 pas yaml file
  remoteproc: qcom: pas: Add sm6115 remoteprocs
  remoteproc: qcom: pas: Adjust the phys addr wrt the mem region
  remoteproc: qcom: fix sparse warnings
  remoteproc: qcom: replace kstrdup with kstrndup
  remoteproc: mediatek: Check the SCP image format
  remoteproc: qcom_q6v5_mss: Use a carveout to authenticate modem headers
  Revert "remoteproc: qcom_q6v5_mss: map/unmap metadata region before/after use"
  dt-bindings: remoteproc: qcom,sc7280-mss-pil: Update memory-region
  dt-bindings: remoteproc: qcom,sc7180-mss-pil: Update memory-region
  dt-bindings: remoteproc: qcom,msm8996-mss-pil: Update memory region
  dt-bindings: remoteproc: qcom,q6v5: Move MSM8996 to schema
  remoteproc: qcom_q6v5_pas: add sm8550 adsp, cdsp & mpss compatible & data
  remoteproc: qcom_q6v5_pas: add support for assigning memory to firmware
  remoteproc: qcom_q6v5_pas: add support for dtb co-firmware loading
  ...
2023-02-26 12:18:36 -08:00
Linus Torvalds cc38a46de7 rpmsg updates for v6.3
rpmsg ctrl and char driver locking is ensure ordering in cases where the
 communication link is being torn down in parallel with calls to open(2)
 or poll(2).
 
 The glink driver is refactored, to move rpm/smem-specifics out of the
 common logic and better suite further improvements, such as transports
 without a mailbox controller. The handling of remoteproc shutdown is
 improved, to fail clients immediately instead of having them to wait for
 timeouts. A driver_override memory leak is corrected and a few spelling
 improvements are introduced.
 
 glink_ssr is transitioned off strlcpy() and "gpr" is added as a valid
 child node of the glink-edge DT binding.
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Merge tag 'rpmsg-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull rpmsg updates from Bjorn Andersson:

 - rpmsg ctrl and char driver locking is ensure ordering in cases where
   the communication link is being torn down in parallel with calls to
   open(2) or poll(2)

 - The glink driver is refactored, to move rpm/smem-specifics out of the
   common logic and better suite further improvements, such as
   transports without a mailbox controller. The handling of remoteproc
   shutdown is improved, to fail clients immediately instead of having
   them to wait for timeouts. A driver_override memory leak is corrected
   and a few spelling improvements are introduced

 - glink_ssr is transitioned off strlcpy() and "gpr" is added as a valid
   child node of the glink-edge DT binding

* tag 'rpmsg-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  rpmsg: glink: Release driver_override
  rpmsg: glink: Avoid infinite loop on intent for missing channel
  rpmsg: glink: Fix GLINK command prefix
  rpmsg: glink: Fix spelling of peek
  rpmsg: glink: Cancel pending intent requests at removal
  rpmsg: glink: Fail qcom_glink_tx() once remove has been initiated
  rpmsg: glink: Move irq and mbox handling to transports
  rpmsg: glink: rpm: Wrap driver context
  rpmsg: glink: smem: Wrap driver context
  rpmsg: glink: Extract tx kick operation
  rpmsg: glink: Include types in qcom_glink_native.h
  rpmsg: ctrl: Add lock to rpmsg_ctrldev_remove
  rpmsg: char: Add lock to avoid race when rpmsg device is released
  rpmsg: move from strlcpy with unused retval to strscpy
  dt-bindings: remoteproc: qcom,glink-edge: add GPR node
2023-02-26 12:10:28 -08:00
Linus Torvalds 9b0b0dd857 hwspinlock changes for v6.3
This updates the sun6i DT binding, to allow (and require) #hwlock-cells,
 and it makes use of device_match_of_node() to slightly clean up the
 condition in of_hwspin_lock_get_id().
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Merge tag 'hwlock-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "This updates the sun6i DT binding to allow (and require) #hwlock-cells
  and makes use of device_match_of_node() to slight clean up the
  condition in of_hwspin_lock_get_id()"

* tag 'hwlock-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  dt-bindings: hwlock: sun6i: Add #hwlock-cells to example
  dt-bindings: hwlock: sun6i: Add missing #hwlock-cells
  hwspinlock: Use device_match_of_node()
2023-02-26 12:05:38 -08:00
Linus Torvalds 498a1cf902 Kbuild updates for v6.3
- Change V=1 option to print both short log and full command log.
 
  - Allow V=1 and V=2 to be combined as V=12.
 
  - Make W=1 detect wrong .gitignore files.
 
  - Tree-wide cleanups for unused command line arguments passed to Clang.
 
  - Stop using -Qunused-arguments with Clang.
 
  - Make scripts/setlocalversion handle only correct release tags instead
    of any arbitrary annotated tag.
 
  - Create Debian and RPM source packages without cleaning the source tree.
 
  - Various cleanups for packaging.
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Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Change V=1 option to print both short log and full command log

 - Allow V=1 and V=2 to be combined as V=12

 - Make W=1 detect wrong .gitignore files

 - Tree-wide cleanups for unused command line arguments passed to Clang

 - Stop using -Qunused-arguments with Clang

 - Make scripts/setlocalversion handle only correct release tags instead
   of any arbitrary annotated tag

 - Create Debian and RPM source packages without cleaning the source
   tree

 - Various cleanups for packaging

* tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (74 commits)
  kbuild: rpm-pkg: remove unneeded KERNELRELEASE from modules/headers_install
  docs: kbuild: remove description of KBUILD_LDS_MODULE
  .gitattributes: use 'dts' diff driver for *.dtso files
  kbuild: deb-pkg: improve the usability of source package
  kbuild: deb-pkg: fix binary-arch and clean in debian/rules
  kbuild: tar-pkg: use tar rules in scripts/Makefile.package
  kbuild: make perf-tar*-src-pkg work without relying on git
  kbuild: deb-pkg: switch over to source format 3.0 (quilt)
  kbuild: deb-pkg: make .orig tarball a hard link if possible
  kbuild: deb-pkg: hide KDEB_SOURCENAME from Makefile
  kbuild: srcrpm-pkg: create source package without cleaning
  kbuild: rpm-pkg: build binary packages from source rpm
  kbuild: deb-pkg: create source package without cleaning
  kbuild: add a tool to list files ignored by git
  Documentation/llvm: add Chimera Linux, Google and Meta datacenters
  setlocalversion: use only the correct release tag for git-describe
  setlocalversion: clean up the construction of version output
  .gitignore: ignore *.cover and *.mbx
  kbuild: remove --include-dir MAKEFLAG from top Makefile
  kbuild: fix trivial typo in comment
  ...
2023-02-26 11:53:25 -08:00
Linus Torvalds 4b8c673b76 media updates for v6.3-rc1
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Merge tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - Removal of several VB1-only deprecated drivers: cpia2, fsl-viu, meye,
   stkwebcam, tm6000, vpfe_capture and zr364xx

 - saa7146 recovered from staging/deprecated. We opted to give ti a
   chance, and, instead of deprecating it, the intention is to write
   patches migrating it from VB1 to VB2.

 - av7110 returned from staging/deprecated/ to staging/ as we're not
   planning on dropping it any time soon

 - media controller API has gained experimental support for G_ROUTING
   and streams API. No drivers use it right now. We're planning to add
   one after -rc1, giving some time to experience the API and eventually
   have changes during the next development cycle

 - New sensor drivers: imx296, imx415, ov8858

 - Atomisp had lots of changes, specially on its sensor's interface,
   making atomisp sensor drivers closer to normal sensor drivers

 - media controller kAPI has gained some helpers to traverse pipelines

 - uvcvideo now better support power line control

 - lots of bug fixes, cleanups and driver improvements

* tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (296 commits)
  media: imx-mipi-csis: Check csis_fmt validity before use
  media: v4l2-subdev.c: clear stream field
  media: v4l2-ctrls-api.c: move ctrl->is_new = 1 to the correct line
  media: Revert "media: saa7146: deprecate hexium_gemini/orion, mxb and ttpci"
  media: Revert "media: av7110: move to staging/media/deprecated/saa7146"
  media: imx-pxp: convert to regmap
  media: imx-pxp: Use non-threaded IRQ
  media: imx-pxp: Introduce pxp_read() and pxp_write() wrappers
  media: imx-pxp: Implement frame size enumeration
  media: imx-pxp: Pass pixel format value to find_format()
  media: imx-pxp: Add media controller support
  media: imx-pxp: Don't set bus_info manually in .querycap()
  media: imx-pxp: Sort headers alphabetically
  media: imx-pxp: add support for i.MX7D
  media: imx-pxp: make data_path_ctrl0 platform dependent
  media: imx-pxp: disable LUT block
  media: imx-pxp: explicitly disable unused blocks
  media: imx-pxp: extract helper function to setup data path
  media: imx-pxp: detect PXP version
  media: dt-bindings: media: fsl-pxp: convert to yaml
  ...
2023-02-26 11:47:26 -08:00
Linus Torvalds d4563201f3 Documentation: simplify and clarify DCO contribution example language
Long long ago, in a more innocent time, Greg wrote the clarification for
how the DCO should work and that you couldn't make anonymous
contributions, because the sign-off needed to be something we could
check back with.

It was 2006, and nobody reacted to the wording, the whole Facebook 'real
name' controversy was a decade in the future, and nobody even thought
about it.  And despite the language, we've always accepted nicknames and
that language was never meant to be any kind of exclusionary wording.

In fact, even when it became a discussion in other adjacent projects,
apparently nobody even thought to just clarify the language in the
kernel docs, and instead we had projects like the CNCF that had long
discussions about it, and wrote their own clarifications [1] of it.

Just simplify the wording to the point where it shouldn't be causing
unnecessary angst and pain, or scare away people who go by preferred
naming.

Link: https://github.com/cncf/foundation/blob/659fd32c86dc/dco-guidelines.md [1]
Fixes: af45f32d25 ("We can not allow anonymous contributions to the kernel")
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Acked-by: Michael Dolan <mdolan@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-26 11:25:04 -08:00
Sangmoon Kim 29cbe6ecfd docs: kbuild: remove description of KBUILD_LDS_MODULE
Commit 596b0474d3 ("kbuild: preprocess module linker script")
removes KBUILD_LDS_MODULE, yet the variable is still mentioned in
kbuild documentation. Remove the reference to the now-nonexistent
variable.

Signed-off-by: Sangmoon Kim <sangmoon.kim@samsung.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2023-02-26 15:28:23 +09:00
Linus Torvalds 1ec35eadc3 We have one small patch to the clk core this time around. It fixes a corner
case with the CLK_OPS_PARENT_ENABLE flag combined with clk_core_is_enabled()
 where it hangs the system. We'll simply assume the clk is disabled if the
 parent is disabled and the flag is set. Trying to turn on the parent to check
 the enable state of the clk runs into system hangs at boot. We let this bake in
 -next for a couple weeks to make sure there aren't any more issues because the
 last attempt to fix this ran into hangs and had to be reverted.
 
 Note: There were some more patches to the core framework around sync_state and
 disabling unused clks, but I asked for that to be reverted from the qcom PR
 because it isn't ready and we're still discussing the best solution on the
 list.
 
 Outside of the core clk framework, we have the usual collection of clk driver
 updates and support for new SoCs (which seems to never stop). The dirstat is
 dominated by Qualcomm because they added support for quite a few SoCs this time
 around and also migrated quite a few of their drivers to clk_parent_data. The
 other big diff is in the Mediatek clk drivers that saw a significant rework
 this cycle to similarly modernize the code, and we'll see that work continue in
 the next cycle as well. Nothing really jumps out as scary here, except that the
 significant churn in parent data descriptions can have typos that go unnoticed.
 More details below.
 
 Core:
  - Honor CLK_OPS_PARENT_ENABLE in clk_core_is_enabled()
 
 New Drivers:
  - Add a new clk-gpr-mux clock type and use it on i.MX6Q to add ENET ref
    clocks
  - Support for Mediatek MT7891 SoC clks
  - Support for many Qualcomm clk controllers:
    - QDU1000/QRU1000 global clock controller
    - SA8775P global clock controller
    - SM8550 TCSR and display clock controller
    - SM6350 clock controller
    - MSM8996 CBF and APCS clock controllers
 
 Updates:
  - Various cleanups and improvements to Mediatek clk drivers to reduce
    code size and modernize the drivers
  - Support for Versa 5P49V60 clks
  - Disable R-Car H3 ES1.*, as it was only available to an internal
    development group and needed a lot of quirks and workarounds
  - Add PWM, Compare-Match Timer (TIM), USB, SDHI, and eMMC clocks and
    resets on Renesas RZ/V2M
  - Add display clocks on Renesas R-Car V4H
  - Add Camera Receiving Unit (CRU) clocks and resets on Renesas RZ/G2L
  - Free the imx_uart_clocks even if imx_register_uart_clocks returns early
  - Get the stdout clocks count from device tree on i.MX
  - Drop the clock count argument from imx_register_uart_clocks()
  - Keep the uart clocks on i.MX93 for when earlycon is used
  - Fix SPDX comment in i.MX6SLL clocks bindings header
  - Drop some unnecessary spaces from i.MX8ULP clocks bindings header
  - Add imx_obtain_fixed_of_clock() for allowing to add a clock that is
    not configured via devicetree
  - Fix the ENET1 gate configuration for i.MX6UL according to the
    reference manual
  - Add ENET refclock mux support for i.MX6UL
  - Add support for USB host/device configuration on Renesas RZ/N1
  - Add PLL2 programming support, and CAN-FD clocks on Renesas R-Car V4H
  - Add D1 CAN bus gates and resets for Allwinner
  - Mark D1 CPUX clock as critical on Allwinner
  - Reuse D1 driver for Allwinner R528/T113
  - Cleanup sunxi-ng Kconfig
  - Fix sunxi-ng kernel-doc issues
  - Model Allwinner H3/H5 DRAM clock as fixed clock
  - Use .determine_rate() instead of .round_rate() for the dualdiv, mpll,
    sclk-div and cpu-dyn-div amlogic clock drivers
  - DDR clocks were marked as critical in the proper clock driver for each
    AT91 SoC such that drivers/memory/atmel-sdramc.c to be deleted
    in the next releases as it only does clock enablement
  - Patch to avoid compiling dt-compat.o for all AT91 SoCs as only some of
    them may use it
  - Support synchronous power_off requests in the qcom GDSC driver for proper
    GPU power collapse
  - Drop test clocks from various Qualcomm clk drivers
  - Update parent references to use clk_parent_data/clk_hw in various Qualcomm clk drivers
  - Fixes for the Qualcomm MSM8996 CPU clock controller
  - Transition Qualcomm MSM8974 GCC off the externally defined sleep_clk
  - Add GDSCs in the global clock controller for Qualcomm QCS404
  - The SDCC core clocks on Qualcomm SM6115 are moved to floor_ops
  - Programming of clk_dis_wait for GPU CX GDSC on Qualcomm SC7180 and SDM845 are
    moved to use the recently introduced properties in the GDSC struct
  - Qualcomm's RPMh clock driver gains SM8550 and SA8775P clocks, and the IPA clock
    is added on a variety of platforms
  - De-duplicate identical clks in Qualcomm SMD RPM clk driver
  - Add a few missing clocks across msm8998, msm8992, msm8916, qcs404 to
    Qualcomm SDM RPM clk driver
  - Various Qualcomm clk drivers use devm_pm_runtime_enable() to simplify
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "We have one small patch to the clk core this time around. It fixes a
  corner case with the CLK_OPS_PARENT_ENABLE flag combined with
  clk_core_is_enabled() where it hangs the system. We'll simply assume
  the clk is disabled if the parent is disabled and the flag is set.
  Trying to turn on the parent to check the enable state of the clk runs
  into system hangs at boot. We let this bake in -next for a couple
  weeks to make sure there aren't any more issues because the last
  attempt to fix this ran into hangs and had to be reverted.

  Note: There were some more patches to the core framework around
  sync_state and disabling unused clks, but I asked for that to be
  reverted from the qcom PR because it isn't ready and we're still
  discussing the best solution on the list.

  Outside of the core clk framework, we have the usual collection of clk
  driver updates and support for new SoCs (which seems to never stop).
  The dirstat is dominated by Qualcomm because they added support for
  quite a few SoCs this time around and also migrated quite a few of
  their drivers to clk_parent_data. The other big diff is in the
  Mediatek clk drivers that saw a significant rework this cycle to
  similarly modernize the code, and we'll see that work continue in the
  next cycle as well. Nothing really jumps out as scary here, except
  that the significant churn in parent data descriptions can have typos
  that go unnoticed. More details below.

  Core:
   - Honor CLK_OPS_PARENT_ENABLE in clk_core_is_enabled()

  New Drivers:
   - Add a new clk-gpr-mux clock type and use it on i.MX6Q to add ENET
     ref clocks
   - Support for Mediatek MT7891 SoC clks
   - Support for many Qualcomm clk controllers:
      - QDU1000/QRU1000 global clock controller
      - SA8775P global clock controller
      - SM8550 TCSR and display clock controller
      - SM6350 clock controller
      - MSM8996 CBF and APCS clock controllers

  Updates:
   - Various cleanups and improvements to Mediatek clk drivers to reduce
     code size and modernize the drivers
   - Support for Versa 5P49V60 clks
   - Disable R-Car H3 ES1.*, as it was only available to an internal
     development group and needed a lot of quirks and workarounds
   - Add PWM, Compare-Match Timer (TIM), USB, SDHI, and eMMC clocks and
     resets on Renesas RZ/V2M
   - Add display clocks on Renesas R-Car V4H
   - Add Camera Receiving Unit (CRU) clocks and resets on Renesas RZ/G2L
   - Free the imx_uart_clocks even if imx_register_uart_clocks returns
     early
   - Get the stdout clocks count from device tree on i.MX
   - Drop the clock count argument from imx_register_uart_clocks()
   - Keep the uart clocks on i.MX93 for when earlycon is used
   - Fix SPDX comment in i.MX6SLL clocks bindings header
   - Drop some unnecessary spaces from i.MX8ULP clocks bindings header
   - Add imx_obtain_fixed_of_clock() for allowing to add a clock that is
     not configured via devicetree
   - Fix the ENET1 gate configuration for i.MX6UL according to the
     reference manual
   - Add ENET refclock mux support for i.MX6UL
   - Add support for USB host/device configuration on Renesas RZ/N1
   - Add PLL2 programming support, and CAN-FD clocks on Renesas R-Car
     V4H
   - Add D1 CAN bus gates and resets for Allwinner
   - Mark D1 CPUX clock as critical on Allwinner
   - Reuse D1 driver for Allwinner R528/T113
   - Cleanup sunxi-ng Kconfig
   - Fix sunxi-ng kernel-doc issues
   - Model Allwinner H3/H5 DRAM clock as fixed clock
   - Use .determine_rate() instead of .round_rate() for the dualdiv,
     mpll, sclk-div and cpu-dyn-div amlogic clock drivers
   - DDR clocks were marked as critical in the proper clock driver for
     each AT91 SoC such that drivers/memory/atmel-sdramc.c to be deleted
     in the next releases as it only does clock enablement
   - Patch to avoid compiling dt-compat.o for all AT91 SoCs as only some
     of them may use it
   - Support synchronous power_off requests in the qcom GDSC driver for
     proper GPU power collapse
   - Drop test clocks from various Qualcomm clk drivers
   - Update parent references to use clk_parent_data/clk_hw in various
     Qualcomm clk drivers
   - Fixes for the Qualcomm MSM8996 CPU clock controller
   - Transition Qualcomm MSM8974 GCC off the externally defined
     sleep_clk
   - Add GDSCs in the global clock controller for Qualcomm QCS404
   - The SDCC core clocks on Qualcomm SM6115 are moved to floor_ops
   - Programming of clk_dis_wait for GPU CX GDSC on Qualcomm SC7180 and
     SDM845 are moved to use the recently introduced properties in the
     GDSC struct
   - Qualcomm's RPMh clock driver gains SM8550 and SA8775P clocks, and
     the IPA clock is added on a variety of platforms
   - De-duplicate identical clks in Qualcomm SMD RPM clk driver
   - Add a few missing clocks across msm8998, msm8992, msm8916, qcs404
     to Qualcomm SDM RPM clk driver
   - Various Qualcomm clk drivers use devm_pm_runtime_enable() to
     simplify"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (228 commits)
  clk: qcom: apcs-msm8986: Include bitfield.h for FIELD_PREP
  clk: qcom: Revert sync_state based clk_disable_unused
  clk: imx: pll14xx: fix recalc_rate for negative kdiv
  clk: rs9: Drop unused pin_xin field
  MAINTAINERS: clk: imx: Add Peng Fan as reviewer
  clk: sprd: Add dependency for SPRD_UMS512_CLK
  clk: ralink: fix 'mt7621_gate_is_enabled()' function
  clk: mediatek: clk-mtk: Remove unneeded semicolon
  dt-bindings: clock: remove stih416 bindings
  dt-bindings: clock: add loongson-2 clock
  dt-bindings: clock: add loongson-2 clock include file
  clk: imx: fix compile testing imxrt1050
  clk: Honor CLK_OPS_PARENT_ENABLE in clk_core_is_enabled()
  clk: imx: set imx_clk_gpr_mux_ops storage-class-specifier to static
  clk: renesas: rcar-gen3: Disable R-Car H3 ES1.*
  dt-bindings: clock: Merge qcom,gpucc-sm8350 into qcom,gpucc.yaml
  clk: qcom: gpucc-sdm845: fix clk_dis_wait being programmed for CX GDSC
  clk: qcom: gpucc-sc7180: fix clk_dis_wait being programmed for CX GDSC
  dt-bindings: clock: qcom,sa8775p-gcc: add the power-domains property
  clk: qcom: cpu-8996: add missing cputype include
  ...
2023-02-25 15:16:23 -08:00
Linus Torvalds 562ed38ded - qcom: misc changes to bindings for sa8775p, QDU1000/QRU1000,
IPQ5332, SDX55, msm8976, glink-rpm-edge
 - sti: convert to DT schema
 - zynq: switch to flexible array to simplify code
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Merge tag 'mailbox-v6.3' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - qcom: misc changes to bindings for sa8775p, QDU1000/QRU1000, IPQ5332,
   SDX55, msm8976, glink-rpm-edge

 - sti: convert to DT schema

 - zynq: switch to flexible array to simplify code

* tag 'mailbox-v6.3' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  dt-bindings: mailbox: qcom-ipcc: Add compatible for QDU1000/QRU1000
  mailbox: qcom-apcs-ipc: add IPQ5332 APSS clock support
  dt-bindings: mailbox: qcom: add compatible for the IPQ5332 SoC
  dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema
  mailbox: qcom-apcs-ipc: enable APCS clock device for MSM8996
  dt-bindings: mailbox: qcom: add #clock-cells to msm8996 example
  dt-bindings: mailbox: qcom: add missing platforms to conditional clauses
  dt-bindings: mailbox: qcom: correct the list of platforms using clocks
  dt-bindings: mailbox: qcom: enable syscon compatible for msm8976
  dt-bindings: mailbox: qcom: add SDX55 compatible
  dt-bindings: mailbox: qcom-ipcc: document the sa8775p platform
  dt-bindings: mailbox: sti-mailbox: convert to DT schema
  mailbox: zynq: Switch to flexible array to simplify code
2023-02-25 15:10:14 -08:00
Linus Torvalds 2e3036a264 MTD changes:
* parsers: ofpart: add workaround for #size-cells 0
 * dt-bindings: partitions: Fix partition node name pattern
 * dataflash: remove duplicate SPI ID table
 
 Raw NAND core changes:
 * Check the data only read pattern only once
 * Prepare the late addition of supported operation checks
 * Support for sequential cache reads
 * Fix nand_chip kdoc
 
 Raw NAND driver changes:
 * Fsl_elbc: Propagate HW ECC settings to HW
 * Marvell: Add missing layouts
 * Pasemi: Don't use static data to track per-device state
 * Sunxi:
   - Fix the size of the last OOB region
   - Remove an unnecessary check
   - Remove an unnecessary check
   - Clean up chips after failed init
   - Precompute the ECC_CTL register value
   - Embed sunxi_nand_hw_ecc by value
   - Update OOB layout to match hardware
 * tmio_nand: Remove driver
 * vf610_nfc: Use regular comments for functions
 
 SPI-NAND driver changes:
 * Add support for AllianceMemory AS5F34G04SND
 * Macronix: use scratch buffer for DMA operation
 
 NAND ECC changes:
 * Mediatek:
   - Add ECC support fot MT7986 IC
   - Add compatible for MT7986
   - dt-bindings: Split ECC engine with rawnand controller
 
 SPI NOR changes:
 * Misc core fixes
 
 SPI NOR driver changes:
 * Spansion: Minor fixes
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Merge tag 'mtd/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "MTD changes:

   - parsers: ofpart: add workaround for #size-cells 0

   - dt-bindings: partitions: Fix partition node name pattern

   - dataflash: remove duplicate SPI ID table

  Raw NAND core changes:

   - Check the data only read pattern only once

   - Prepare the late addition of supported operation checks

   - Support for sequential cache reads

   - Fix nand_chip kdoc

  Raw NAND driver changes:

   - Fsl_elbc: Propagate HW ECC settings to HW

   - Marvell: Add missing layouts

   - Pasemi: Don't use static data to track per-device state

   - Sunxi:
      - Fix the size of the last OOB region
      - Remove an unnecessary check
      - Remove an unnecessary check
      - Clean up chips after failed init
      - Precompute the ECC_CTL register value
      - Embed sunxi_nand_hw_ecc by value
      - Update OOB layout to match hardware

   - tmio_nand: Remove driver

   - vf610_nfc: Use regular comments for functions

  SPI-NAND driver changes:

   - Add support for AllianceMemory AS5F34G04SND

   - Macronix: use scratch buffer for DMA operation

  NAND ECC changes:

   - Mediatek:
      - Add ECC support fot MT7986 IC
      - Add compatible for MT7986
      - dt-bindings: Split ECC engine with rawnand controller

  SPI NOR changes:

   - Misc core fixes

  SPI NOR driver changes:

   - Spansion: Minor fixes"

* tag 'mtd/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (33 commits)
  mtd: parsers: ofpart: add workaround for #size-cells 0
  mtd: rawnand: sunxi: Precompute the ECC_CTL register value
  mtd: rawnand: sunxi: Embed sunxi_nand_hw_ecc by value
  mtd: rawnand: sunxi: Update OOB layout to match hardware
  mtd: spi-nor: Sort headers alphabetically
  mtd: spi-nor: Fix shift-out-of-bounds in spi_nor_set_erase_type
  mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC
  dt-bindings: mtd: mediatek,nand-ecc-engine: Add compatible for MT7986
  dt-bindings: mtd: Split ECC engine with rawnand controller
  mtd: rawnand: fsl_elbc: Propagate HW ECC settings to HW
  mtd: spinand: Add support for AllianceMemory AS5F34G04SND
  dt-bindings: mtd: partitions: Fix partition node name pattern
  mtd: spi-nor: Create macros to define chip IDs and geometries
  mtd: spi-nor: spansion: Make CFRx reg fields generic
  mtd: spi-nor: spansion: Consider reserved bits in CFR5 register
  mtd: spi-nor: core: fix implicit declaration warning
  mtd: spinand: macronix: use scratch buffer for DMA operation
  mtd: rawnand: Fix nand_chip kdoc
  mtd: rawnand: vf610_nfc: use regular comments for functions
  mtd: rawnand: Support for sequential cache reads
  ...
2023-02-25 15:05:08 -08:00
Linus Torvalds 60e2bf7d10 Input updates for 6.3 merge window:
- a set of tweaks to iqs269a touch controller driver
 
 - a fix for ads7846 driver to properly handle 7845 chip
 
 - cap11xx driver will support cap1203, cap1293 and cap1298 models
 
 - xpad driver will support 8BitDo Pro 2 Wired Controller
 
 - input drivers have been switched to DEFINE_SIMPLE_DEV_PM_OPS()
   and pm_sleep_ptr()
 
 - other miscellaneous fixes and tweaks
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Merge tag 'input-for-v6.3-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - a set of tweaks to iqs269a touch controller driver

 - a fix for ads7846 driver to properly handle 7845 chip

 - cap11xx driver will support cap1203, cap1293 and cap1298 models

 - xpad driver will support 8BitDo Pro 2 Wired Controller

 - input drivers have been switched to DEFINE_SIMPLE_DEV_PM_OPS() and
   pm_sleep_ptr()

 - other miscellaneous fixes and tweaks

* tag 'input-for-v6.3-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (113 commits)
  dt-bindings: input: iqs626a: Redefine trackpad property types
  Input: iqs626a - drop unused device node references
  dt-bindings: input: touchscreen: st,stmfts: convert to dtschema
  Input: cyttsp5 - fix bitmask for touch buttons
  Input: exc3000 - properly stop timer on shutdown
  Input: synaptics-rmi4 - fix SPI device ID
  Input: cap11xx - add support for cap1203, cap1293 and cap1298
  dt-bindings: input: microchip,cap11xx: add cap1203, cap1293 and cap1298
  Input: pmic8xxx-keypad - fix a Kconfig spelling mistake & hyphenation
  Input: edt-ft5x06 - fix typo in a comment
  Input: tegra-kbc - use devm_platform_get_and_ioremap_resource()
  Input: st-keyscan - use devm_platform_get_and_ioremap_resource()
  Input: spear-keyboard - use devm_platform_get_and_ioremap_resource()
  Input: olpc_apsp - use devm_platform_get_and_ioremap_resource()
  Input: arc_ps2 - use devm_platform_get_and_ioremap_resource()
  Input: apbps2 - use devm_platform_get_and_ioremap_resource()
  Input: altera_ps2 - use devm_platform_get_and_ioremap_resource()
  Input: ads7846 - don't check penirq immediately for 7845
  Input: ads7846 - always set last command to PWRDOWN
  Input: ads7846 - don't report pressure for ads7845
  ...
2023-02-25 15:01:32 -08:00
Johan Hovold 430aa33a30 dt-bindings: rtc: qcom-pm8xxx: add nvmem-cell offset
On many Qualcomm platforms the PMIC RTC control and time registers are
read-only so that the RTC time can not be updated. Instead an offset
needs be stored in some machine-specific non-volatile memory, which a
driver can take into account.

Add an 'offset' nvmem cell which can be used to store a 32-bit offset
from the Unix epoch so that the RTC time can be updated on such
platforms.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: David Collins <quic_collinsd@quicinc.com>
Link: https://lore.kernel.org/r/20230202155448.6715-17-johan+linaro@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-02-25 23:34:22 +01:00
Alexandre Belloni c978414bf5 RTC fixes for 6.2
Drivers:
  - efi: make WAKEUP services optional
  - sunplus: fix format string warning
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Merge tag 'rtc-6.2-fixes' into rtc-next
2023-02-25 23:31:23 +01:00
Linus Torvalds cac85e4616 VFIO updates for v6.3-rc1
- Remove redundant resource check in vfio-platform. (Angus Chen)
 
  - Use GFP_KERNEL_ACCOUNT for persistent userspace allocations, allowing
    removal of arbitrary kernel limits in favor of cgroup control.
    (Yishai Hadas)
 
  - mdev tidy-ups, including removing the module-only build restriction
    for sample drivers, Kconfig changes to select mdev support,
    documentation movement to keep sample driver usage instructions with
    sample drivers rather than with API docs, remove references to
    out-of-tree drivers in docs. (Christoph Hellwig)
 
  - Fix collateral breakages from mdev Kconfig changes. (Arnd Bergmann)
 
  - Make mlx5 migration support match device support, improve source
    and target flows to improve pre-copy support and reduce downtime.
    (Yishai Hadas)
 
  - Convert additional mdev sysfs case to use sysfs_emit(). (Bo Liu)
 
  - Resolve copy-paste error in mdev mbochs sample driver Kconfig.
    (Ye Xingchen)
 
  - Avoid propagating missing reset error in vfio-platform if reset
    requirement is relaxed by module option. (Tomasz Duszynski)
 
  - Range size fixes in mlx5 variant driver for missed last byte and
    stricter range calculation. (Yishai Hadas)
 
  - Fixes to suspended vaddr support and locked_vm accounting, excluding
    mdev configurations from the former due to potential to indefinitely
    block kernel threads, fix underflow and restore locked_vm on new mm.
    (Steve Sistare)
 
  - Update outdated vfio documentation due to new IOMMUFD interfaces in
    recent kernels. (Yi Liu)
 
  - Resolve deadlock between group_lock and kvm_lock, finally.
    (Matthew Rosato)
 
  - Fix NULL pointer in group initialization error path with IOMMUFD.
    (Yan Zhao)
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Merge tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Remove redundant resource check in vfio-platform (Angus Chen)

 - Use GFP_KERNEL_ACCOUNT for persistent userspace allocations, allowing
   removal of arbitrary kernel limits in favor of cgroup control (Yishai
   Hadas)

 - mdev tidy-ups, including removing the module-only build restriction
   for sample drivers, Kconfig changes to select mdev support,
   documentation movement to keep sample driver usage instructions with
   sample drivers rather than with API docs, remove references to
   out-of-tree drivers in docs (Christoph Hellwig)

 - Fix collateral breakages from mdev Kconfig changes (Arnd Bergmann)

 - Make mlx5 migration support match device support, improve source and
   target flows to improve pre-copy support and reduce downtime (Yishai
   Hadas)

 - Convert additional mdev sysfs case to use sysfs_emit() (Bo Liu)

 - Resolve copy-paste error in mdev mbochs sample driver Kconfig (Ye
   Xingchen)

 - Avoid propagating missing reset error in vfio-platform if reset
   requirement is relaxed by module option (Tomasz Duszynski)

 - Range size fixes in mlx5 variant driver for missed last byte and
   stricter range calculation (Yishai Hadas)

 - Fixes to suspended vaddr support and locked_vm accounting, excluding
   mdev configurations from the former due to potential to indefinitely
   block kernel threads, fix underflow and restore locked_vm on new mm
   (Steve Sistare)

 - Update outdated vfio documentation due to new IOMMUFD interfaces in
   recent kernels (Yi Liu)

 - Resolve deadlock between group_lock and kvm_lock, finally (Matthew
   Rosato)

 - Fix NULL pointer in group initialization error path with IOMMUFD (Yan
   Zhao)

* tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio: (32 commits)
  vfio: Fix NULL pointer dereference caused by uninitialized group->iommufd
  docs: vfio: Update vfio.rst per latest interfaces
  vfio: Update the kdoc for vfio_device_ops
  vfio/mlx5: Fix range size calculation upon tracker creation
  vfio: no need to pass kvm pointer during device open
  vfio: fix deadlock between group lock and kvm lock
  vfio: revert "iommu driver notify callback"
  vfio/type1: revert "implement notify callback"
  vfio/type1: revert "block on invalid vaddr"
  vfio/type1: restore locked_vm
  vfio/type1: track locked_vm per dma
  vfio/type1: prevent underflow of locked_vm via exec()
  vfio/type1: exclude mdevs from VFIO_UPDATE_VADDR
  vfio: platform: ignore missing reset if disabled at module init
  vfio/mlx5: Improve the target side flow to reduce downtime
  vfio/mlx5: Improve the source side flow upon pre_copy
  vfio/mlx5: Check whether VF is migratable
  samples: fix the prompt about SAMPLE_VFIO_MDEV_MBOCHS
  vfio/mdev: Use sysfs_emit() to instead of sprintf()
  vfio-mdev: add back CONFIG_VFIO dependency
  ...
2023-02-25 11:52:57 -08:00
Linus Torvalds 84cc6674b7 virtio,vhost,vdpa: features, fixes
device feature provisioning in ifcvf, mlx5
 new SolidNET driver
 support for zoned block device in virtio blk
 numa support in virtio pmem
 VIRTIO_F_RING_RESET support in vhost-net
 more debugfs entries in mlx5
 resume support in vdpa
 completion batching in virtio blk
 cleanup of dma api use in vdpa
 now simulating more features in vdpa-sim
 documentation, features, fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - device feature provisioning in ifcvf, mlx5

 - new SolidNET driver

 - support for zoned block device in virtio blk

 - numa support in virtio pmem

 - VIRTIO_F_RING_RESET support in vhost-net

 - more debugfs entries in mlx5

 - resume support in vdpa

 - completion batching in virtio blk

 - cleanup of dma api use in vdpa

 - now simulating more features in vdpa-sim

 - documentation, features, fixes all over the place

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits)
  vdpa/mlx5: support device features provisioning
  vdpa/mlx5: make MTU/STATUS presence conditional on feature bits
  vdpa: validate device feature provisioning against supported class
  vdpa: validate provisioned device features against specified attribute
  vdpa: conditionally read STATUS in config space
  vdpa: fix improper error message when adding vdpa dev
  vdpa/mlx5: Initialize CVQ iotlb spinlock
  vdpa/mlx5: Don't clear mr struct on destroy MR
  vdpa/mlx5: Directly assign memory key
  tools/virtio: enable to build with retpoline
  vringh: fix a typo in comments for vringh_kiov
  vhost-vdpa: print warning when vhost_vdpa_alloc_domain fails
  scsi: virtio_scsi: fix handling of kmalloc failure
  vdpa: Fix a couple of spelling mistakes in some messages
  vhost-net: support VIRTIO_F_RING_RESET
  vhost-scsi: convert sysfs snprintf and sprintf to sysfs_emit
  vdpa: mlx5: support per virtqueue dma device
  vdpa: set dma mask for vDPA device
  virtio-vdpa: support per vq dma device
  vdpa: introduce get_vq_dma_device()
  ...
2023-02-25 11:48:02 -08:00
Linus Torvalds 49d5759268 ARM:
- Provide a virtual cache topology to the guest to avoid
   inconsistencies with migration on heterogenous systems. Non secure
   software has no practical need to traverse the caches by set/way in
   the first place.
 
 - Add support for taking stage-2 access faults in parallel. This was an
   accidental omission in the original parallel faults implementation,
   but should provide a marginal improvement to machines w/o FEAT_HAFDBS
   (such as hardware from the fruit company).
 
 - A preamble to adding support for nested virtualization to KVM,
   including vEL2 register state, rudimentary nested exception handling
   and masking unsupported features for nested guests.
 
 - Fixes to the PSCI relay that avoid an unexpected host SVE trap when
   resuming a CPU when running pKVM.
 
 - VGIC maintenance interrupt support for the AIC
 
 - Improvements to the arch timer emulation, primarily aimed at reducing
   the trap overhead of running nested.
 
 - Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
   interest of CI systems.
 
 - Avoid VM-wide stop-the-world operations when a vCPU accesses its own
   redistributor.
 
 - Serialize when toggling CPACR_EL1.SMEN to avoid unexpected exceptions
   in the host.
 
 - Aesthetic and comment/kerneldoc fixes
 
 - Drop the vestiges of the old Columbia mailing list and add [Oliver]
   as co-maintainer
 
 This also drags in arm64's 'for-next/sme2' branch, because both it and
 the PSCI relay changes touch the EL2 initialization code.
 
 RISC-V:
 
 - Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE
 
 - Correctly place the guest in S-mode after redirecting a trap to the guest
 
 - Redirect illegal instruction traps to guest
 
 - SBI PMU support for guest
 
 s390:
 
 - Two patches sorting out confusion between virtual and physical
   addresses, which currently are the same on s390.
 
 - A new ioctl that performs cmpxchg on guest memory
 
 - A few fixes
 
 x86:
 
 - Change tdp_mmu to a read-only parameter
 
 - Separate TDP and shadow MMU page fault paths
 
 - Enable Hyper-V invariant TSC control
 
 - Fix a variety of APICv and AVIC bugs, some of them real-world,
   some of them affecting architecurally legal but unlikely to
   happen in practice
 
 - Mark APIC timer as expired if its in one-shot mode and the count
   underflows while the vCPU task was being migrated
 
 - Advertise support for Intel's new fast REP string features
 
 - Fix a double-shootdown issue in the emergency reboot code
 
 - Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give SVM
   similar treatment to VMX
 
 - Update Xen's TSC info CPUID sub-leaves as appropriate
 
 - Add support for Hyper-V's extended hypercalls, where "support" at this
   point is just forwarding the hypercalls to userspace
 
 - Clean up the kvm->lock vs. kvm->srcu sequences when updating the PMU and
   MSR filters
 
 - One-off fixes and cleanups
 
 - Fix and cleanup the range-based TLB flushing code, used when KVM is
   running on Hyper-V
 
 - Add support for filtering PMU events using a mask.  If userspace
   wants to restrict heavily what events the guest can use, it can now
   do so without needing an absurd number of filter entries
 
 - Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
   support is disabled
 
 - Add PEBS support for Intel Sapphire Rapids
 
 - Fix a mostly benign overflow bug in SEV's send|receive_update_data()
 
 - Move several SVM-specific flags into vcpu_svm
 
 x86 Intel:
 
 - Handle NMI VM-Exits before leaving the noinstr region
 
 - A few trivial cleanups in the VM-Enter flows
 
 - Stop enabling VMFUNC for L1 purely to document that KVM doesn't support
   EPTP switching (or any other VM function) for L1
 
 - Fix a crash when using eVMCS's enlighted MSR bitmaps
 
 Generic:
 
 - Clean up the hardware enable and initialization flow, which was
   scattered around multiple arch-specific hooks.  Instead, just
   let the arch code call into generic code.  Both x86 and ARM should
   benefit from not having to fight common KVM code's notion of how
   to do initialization.
 
 - Account allocations in generic kvm_arch_alloc_vm()
 
 - Fix a memory leak if coalesced MMIO unregistration fails
 
 selftests:
 
 - On x86, cache the CPU vendor (AMD vs. Intel) and use the info to emit
   the correct hypercall instruction instead of relying on KVM to patch
   in VMMCALL
 
 - Use TAP interface for kvm_binary_stats_test and tsc_msrs_test
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "ARM:

   - Provide a virtual cache topology to the guest to avoid
     inconsistencies with migration on heterogenous systems. Non secure
     software has no practical need to traverse the caches by set/way in
     the first place

   - Add support for taking stage-2 access faults in parallel. This was
     an accidental omission in the original parallel faults
     implementation, but should provide a marginal improvement to
     machines w/o FEAT_HAFDBS (such as hardware from the fruit company)

   - A preamble to adding support for nested virtualization to KVM,
     including vEL2 register state, rudimentary nested exception
     handling and masking unsupported features for nested guests

   - Fixes to the PSCI relay that avoid an unexpected host SVE trap when
     resuming a CPU when running pKVM

   - VGIC maintenance interrupt support for the AIC

   - Improvements to the arch timer emulation, primarily aimed at
     reducing the trap overhead of running nested

   - Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
     interest of CI systems

   - Avoid VM-wide stop-the-world operations when a vCPU accesses its
     own redistributor

   - Serialize when toggling CPACR_EL1.SMEN to avoid unexpected
     exceptions in the host

   - Aesthetic and comment/kerneldoc fixes

   - Drop the vestiges of the old Columbia mailing list and add [Oliver]
     as co-maintainer

  RISC-V:

   - Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE

   - Correctly place the guest in S-mode after redirecting a trap to the
     guest

   - Redirect illegal instruction traps to guest

   - SBI PMU support for guest

  s390:

   - Sort out confusion between virtual and physical addresses, which
     currently are the same on s390

   - A new ioctl that performs cmpxchg on guest memory

   - A few fixes

  x86:

   - Change tdp_mmu to a read-only parameter

   - Separate TDP and shadow MMU page fault paths

   - Enable Hyper-V invariant TSC control

   - Fix a variety of APICv and AVIC bugs, some of them real-world, some
     of them affecting architecurally legal but unlikely to happen in
     practice

   - Mark APIC timer as expired if its in one-shot mode and the count
     underflows while the vCPU task was being migrated

   - Advertise support for Intel's new fast REP string features

   - Fix a double-shootdown issue in the emergency reboot code

   - Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give
     SVM similar treatment to VMX

   - Update Xen's TSC info CPUID sub-leaves as appropriate

   - Add support for Hyper-V's extended hypercalls, where "support" at
     this point is just forwarding the hypercalls to userspace

   - Clean up the kvm->lock vs. kvm->srcu sequences when updating the
     PMU and MSR filters

   - One-off fixes and cleanups

   - Fix and cleanup the range-based TLB flushing code, used when KVM is
     running on Hyper-V

   - Add support for filtering PMU events using a mask. If userspace
     wants to restrict heavily what events the guest can use, it can now
     do so without needing an absurd number of filter entries

   - Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
     support is disabled

   - Add PEBS support for Intel Sapphire Rapids

   - Fix a mostly benign overflow bug in SEV's
     send|receive_update_data()

   - Move several SVM-specific flags into vcpu_svm

  x86 Intel:

   - Handle NMI VM-Exits before leaving the noinstr region

   - A few trivial cleanups in the VM-Enter flows

   - Stop enabling VMFUNC for L1 purely to document that KVM doesn't
     support EPTP switching (or any other VM function) for L1

   - Fix a crash when using eVMCS's enlighted MSR bitmaps

  Generic:

   - Clean up the hardware enable and initialization flow, which was
     scattered around multiple arch-specific hooks. Instead, just let
     the arch code call into generic code. Both x86 and ARM should
     benefit from not having to fight common KVM code's notion of how to
     do initialization

   - Account allocations in generic kvm_arch_alloc_vm()

   - Fix a memory leak if coalesced MMIO unregistration fails

  selftests:

   - On x86, cache the CPU vendor (AMD vs. Intel) and use the info to
     emit the correct hypercall instruction instead of relying on KVM to
     patch in VMMCALL

   - Use TAP interface for kvm_binary_stats_test and tsc_msrs_test"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (325 commits)
  KVM: SVM: hyper-v: placate modpost section mismatch error
  KVM: x86/mmu: Make tdp_mmu_allowed static
  KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID
  KVM: arm64: nv: Only toggle cache for virtual EL2 when SCTLR_EL2 changes
  KVM: arm64: nv: Filter out unsupported features from ID regs
  KVM: arm64: nv: Emulate EL12 register accesses from the virtual EL2
  KVM: arm64: nv: Allow a sysreg to be hidden from userspace only
  KVM: arm64: nv: Emulate PSTATE.M for a guest hypervisor
  KVM: arm64: nv: Add accessors for SPSR_EL1, ELR_EL1 and VBAR_EL1 from virtual EL2
  KVM: arm64: nv: Handle SMCs taken from virtual EL2
  KVM: arm64: nv: Handle trapped ERET from virtual EL2
  KVM: arm64: nv: Inject HVC exceptions to the virtual EL2
  KVM: arm64: nv: Support virtual EL2 exceptions
  KVM: arm64: nv: Handle HCR_EL2.NV system register traps
  KVM: arm64: nv: Add nested virt VCPU primitives for vEL2 VCPU state
  KVM: arm64: nv: Add EL2 system registers to vcpu context
  KVM: arm64: nv: Allow userspace to set PSR_MODE_EL2x
  KVM: arm64: nv: Reset VCPU to EL2 registers if VCPU nested virt is set
  KVM: arm64: nv: Introduce nested virtualization VCPU feature
  KVM: arm64: Use the S2 MMU context to iterate over S2 table
  ...
2023-02-25 11:30:21 -08:00
Linus Torvalds 01687e7c93 RISC-V Patches for the 6.3 Merge Window, Part 1
There's a bunch of fixes/cleanups throughout the tree as usual, but we
 also have a handful of new features.
 
 * Various improvements to the extension detection and alternative
   patching infrastructure.
 * Zbb-optimized string routines.
 * Support for cpu-capacity in the RISC-V DT bindings.
 * Zicbom no longer depends on toolchain support.
 * Some performance and code size improvements to ftrace.
 * Support for ARCH_WANT_LD_ORPHAN_WARN.
 * Oops now contain the faulting instruction.
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Merge tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:
 "There's a bunch of fixes/cleanups throughout the tree as usual, but we
  also have a handful of new features:

   - Various improvements to the extension detection and alternative
     patching infrastructure

   - Zbb-optimized string routines

   - Support for cpu-capacity in the RISC-V DT bindings

   - Zicbom no longer depends on toolchain support

   - Some performance and code size improvements to ftrace

   - Support for ARCH_WANT_LD_ORPHAN_WARN

   - Oops now contain the faulting instruction"

* tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (67 commits)
  RISC-V: add a spin_shadow_stack declaration
  riscv: mm: hugetlb: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
  riscv: Add header include guards to insn.h
  riscv: alternative: proceed one more instruction for auipc/jalr pair
  riscv: Avoid enabling interrupts in die()
  riscv, mm: Perform BPF exhandler fixup on page fault
  RISC-V: take text_mutex during alternative patching
  riscv: hwcap: Don't alphabetize ISA extension IDs
  RISC-V: fix ordering of Zbb extension
  riscv: jump_label: Fixup unaligned arch_static_branch function
  RISC-V: Only provide the single-letter extensions in HWCAP
  riscv: mm: fix regression due to update_mmu_cache change
  scripts/decodecode: Add support for RISC-V
  riscv: Add instruction dump to RISC-V splats
  riscv: select ARCH_WANT_LD_ORPHAN_WARN for !XIP_KERNEL
  riscv: vmlinux.lds.S: explicitly catch .init.bss sections from EFI stub
  riscv: vmlinux.lds.S: explicitly catch .riscv.attributes sections
  riscv: vmlinux.lds.S: explicitly catch .rela.dyn symbols
  riscv: lds: define RUNTIME_DISCARD_EXIT
  RISC-V: move some stray __RISCV_INSN_FUNCS definitions from kprobes
  ...
2023-02-25 11:14:08 -08:00
Linus Torvalds d0a32f5520 powerpc updates for 6.3
- Support for configuring secure boot with user-defined keys on PowerVM LPARs.
 
  - Simplify the replay of soft-masked IRQs by making it non-recursive.
 
  - Add support for KCSAN on 64-bit Book3S.
 
  - Improvements to the API & code which interacts with RTAS (pseries firmware).
 
  - Change 32-bit powermac to assign PCI bus numbers per domain by default.
 
  - Some improvements to the 32-bit BPF JIT.
 
  - Various other small features and fixes.
 
 Thanks to: Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin Gray, Christophe
 Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict
 Glaw, Josh Poimboeuf, Kajol Jain, Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers,
 Mimi Zohar, Murphy Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin,
 Pali Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika Vasireddy,
 Sourabh Jain, Stefan Berger, Stephen Rothwell, Sudhakar Kuppusamy.
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Merge tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Support for configuring secure boot with user-defined keys on PowerVM
   LPARs

 - Simplify the replay of soft-masked IRQs by making it non-recursive

 - Add support for KCSAN on 64-bit Book3S

 - Improvements to the API & code which interacts with RTAS (pseries
   firmware)

 - Change 32-bit powermac to assign PCI bus numbers per domain by
   default

 - Some improvements to the 32-bit BPF JIT

 - Various other small features and fixes

Thanks to Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin
Gray, Christophe Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand,
Greg Kroah-Hartman, Jan-Benedict Glaw, Josh Poimboeuf, Kajol Jain,
Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers, Mimi Zohar, Murphy
Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin, Pali
Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika
Vasireddy, Sourabh Jain, Stefan Berger, Stephen Rothwell, and Sudhakar
Kuppusamy.

* tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (114 commits)
  powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries
  powerpc: dts: turris1x.dts: Set lower priority for CPLD syscon-reboot
  powerpc/e500: Add missing prototype for 'relocate_init'
  powerpc/64: Fix unannotated intra-function call warning
  powerpc/epapr: Don't use wrteei on non booke
  powerpc: Pass correct CPU reference to assembler
  powerpc/mm: Rearrange if-else block to avoid clang warning
  powerpc/nohash: Fix build with llvm-as
  powerpc/nohash: Fix build error with binutils >= 2.38
  powerpc/pseries: Fix endianness issue when parsing PLPKS secvar flags
  macintosh: windfarm: Use unsigned type for 1-bit bitfields
  powerpc/kexec_file: print error string on usable memory property update failure
  powerpc/machdep: warn when machine_is() used too early
  powerpc/64: Replace -mcpu=e500mc64 by -mcpu=e5500
  powerpc/eeh: Set channel state after notifying the drivers
  selftests/powerpc: Fix incorrect kernel headers search path
  powerpc/rtas: arch-wide function token lookup conversions
  powerpc/rtas: introduce rtas_function_token() API
  powerpc/pseries/lpar: convert to papr_sysparm API
  powerpc/pseries/hv-24x7: convert to papr_sysparm API
  ...
2023-02-25 11:00:06 -08:00
Linus Torvalds 7c3dc440b1 cxl for v6.3
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
   for platform firmware created memory regions
 
 - CXL RAM region provisioning: complement the existing PMEM region
   creation support with RAM region support
 
 - "Soft Reservation" policy change: Online (memory hot-add)
   soft-reserved memory (EFI_MEMORY_SP) by default, but still allow for
   setting aside such memory for dedicated access via device-dax.
 
 - CXL Events and Interrupts: Takeover CXL event handling from
   platform-firmware (ACPI calls this CXL Memory Error Reporting) and
   export CXL Events via Linux Trace Events.
 
 - Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
   subsystem interrogate the result of CXL _OSC negotiation.
 
 - Emulate CXL DVSEC Range Registers as "decoders": Allow for
   first-generation devices that pre-date the definition of the CXL HDM
   Decoder Capability to translate the CXL DVSEC Range Registers into
   'struct cxl_decoder' objects.
 
 - Set timestamp: Per spec, set the device timestamp in case of hotplug,
   or if platform-firwmare failed to set it.
 
 - General fixups: linux-next build issues, non-urgent fixes for
   pre-production hardware, unit test fixes, spelling and debug message
   improvements.
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Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull Compute Express Link (CXL) updates from Dan Williams:
 "To date Linux has been dependent on platform-firmware to map CXL RAM
  regions and handle events / errors from devices. With this update we
  can now parse / update the CXL memory layout, and report events /
  errors from devices. This is a precursor for the CXL subsystem to
  handle the end-to-end "RAS" flow for CXL memory. i.e. the flow that
  for DDR-attached-DRAM is handled by the EDAC driver where it maps
  system physical address events to a field-replaceable-unit (FRU /
  endpoint device). In general, CXL has the potential to standardize
  what has historically been a pile of memory-controller-specific error
  handling logic.

  Another change of note is the default policy for handling RAM-backed
  device-dax instances. Previously the default access mode was "device",
  mmap(2) a device special file to access memory. The new default is
  "kmem" where the address range is assigned to the core-mm via
  add_memory_driver_managed(). This saves typical users from wondering
  why their platform memory is not visible via free(1) and stuck behind
  a device-file. At the same time it allows expert users to deploy
  policy to, for example, get dedicated access to high performance
  memory, or hide low performance memory from general purpose kernel
  allocations. This affects not only CXL, but also systems with
  high-bandwidth-memory that platform-firmware tags with the
  EFI_MEMORY_SP (special purpose) designation.

  Summary:

   - CXL RAM region enumeration: instantiate 'struct cxl_region' objects
     for platform firmware created memory regions

   - CXL RAM region provisioning: complement the existing PMEM region
     creation support with RAM region support

   - "Soft Reservation" policy change: Online (memory hot-add)
     soft-reserved memory (EFI_MEMORY_SP) by default, but still allow
     for setting aside such memory for dedicated access via device-dax.

   - CXL Events and Interrupts: Takeover CXL event handling from
     platform-firmware (ACPI calls this CXL Memory Error Reporting) and
     export CXL Events via Linux Trace Events.

   - Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
     subsystem interrogate the result of CXL _OSC negotiation.

   - Emulate CXL DVSEC Range Registers as "decoders": Allow for
     first-generation devices that pre-date the definition of the CXL
     HDM Decoder Capability to translate the CXL DVSEC Range Registers
     into 'struct cxl_decoder' objects.

   - Set timestamp: Per spec, set the device timestamp in case of
     hotplug, or if platform-firwmare failed to set it.

   - General fixups: linux-next build issues, non-urgent fixes for
     pre-production hardware, unit test fixes, spelling and debug
     message improvements"

* tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (66 commits)
  dax/kmem: Fix leak of memory-hotplug resources
  cxl/mem: Add kdoc param for event log driver state
  cxl/trace: Add serial number to trace points
  cxl/trace: Add host output to trace points
  cxl/trace: Standardize device information output
  cxl/pci: Remove locked check for dvsec_range_allowed()
  cxl/hdm: Add emulation when HDM decoders are not committed
  cxl/hdm: Create emulated cxl_hdm for devices that do not have HDM decoders
  cxl/hdm: Emulate HDM decoder from DVSEC range registers
  cxl/pci: Refactor cxl_hdm_decode_init()
  cxl/port: Export cxl_dvsec_rr_decode() to cxl_port
  cxl/pci: Break out range register decoding from cxl_hdm_decode_init()
  cxl: add RAS status unmasking for CXL
  cxl: remove unnecessary calling of pci_enable_pcie_error_reporting()
  dax/hmem: build hmem device support as module if possible
  dax: cxl: add CXL_REGION dependency
  cxl: avoid returning uninitialized error code
  cxl/pmem: Fix nvdimm registration races
  cxl/mem: Fix UAPI command comment
  cxl/uapi: Tag commands from cxl_query_cmd()
  ...
2023-02-25 09:19:23 -08:00
nick black bce9045993 docs: net: fix inaccuracies in msg_zerocopy.rst
Replace "sendpage" with "sendfile". Remove comment about
ENOBUFS when the sockopt hasn't been set; experimentation
indicates that this is not true.

Signed-off-by: nick black <dankamongmen@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/Y/gg/EhIIjugLdd3@schwarzgerat.orthanc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-02-24 18:31:31 -08:00
Linus Torvalds 8ff99ad04c phy-for-6.3
- Core support
 	- New devm_of_phy_optional_get() API with users and conversion
 
   - New support:
 	- Mediatek MT7986 tphy support
         - Qualcomm SM8550 UFS, PCIe, combo phy support, SM6115 / SM4250
           USB3 phy support, SM6350 combo phy support, SM6125 UFS PHY
 	  support amd SM8350 & SM8450 combo phy support
         - Qualcomm SNPS eUSB2 eUSB2 repeater drivers
 	- Allwinner F1C100s USB PHY support
 	- Tegra xusb support for Tegra234
 
   - Updates:
         - Yaml conversion for Qualcomm pcie2 phy and usb-hsic-phy
 	- G4 mode support in Qualcomm UFS phy and support for various SoCs
 	- Yaml conversion for Meson usb2 phy
 	- TI Type C support for usb phy for j721
 	- Yaml conversion for Tegra xusb binding
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Merge tag 'phy-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy updates from Vinod Koul:
 "This features a bunch of new device support, a couple of new drivers,
  yaml conversion and updates of a few drivers.

  Core support:

   - New devm_of_phy_optional_get() API with users and conversion

  New hardware support:

   - Mediatek MT7986 phy support

   - Qualcomm SM8550 UFS, PCIe, combo phy support, SM6115 / SM4250 USB3
     phy support, SM6350 combo phy support, SM6125 UFS PHY support amd
     SM8350 & SM8450 combo phy support

   - Qualcomm SNPS eUSB2 eUSB2 repeater drivers

   - Allwinner F1C100s USB PHY support

   - Tegra xusb support for Tegra234

  Updates:

   - Yaml conversion for Qualcomm pcie2 phy and usb-hsic-phy

   - G4 mode support in Qualcomm UFS phy and support for various SoCs

   - Yaml conversion for Meson usb2 phy

   - TI Type C support for usb phy for j721

   - Yaml conversion for Tegra xusb binding"

* tag 'phy-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (106 commits)
  phy: qcom: phy-qcom-snps-eusb2: Add support for eUSB2 repeater
  phy: qcom: Add QCOM SNPS eUSB2 repeater driver
  dt-bindings: phy: qcom,snps-eusb2-phy: Add phys property for the repeater
  dt-bindings: phy: Add qcom,snps-eusb2-repeater schema file
  dt-bindings: phy: amlogic,g12a-usb3-pcie-phy: add missing optional phy-supply property
  phy: rockchip-typec: Fix unsigned comparison with less than zero
  phy: rockchip-typec: fix tcphy_get_mode error case
  phy: qcom: snps-eusb2: Add missing headers
  phy: qcom-qmp-combo: Add support for SM8550
  phy: qcom-qmp: Add v6 DP register offsets
  phy: qcom-qmp: pcs-usb: Add v6 register offsets
  dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp: Document SM8550 compatible
  phy: qcom: Add QCOM SNPS eUSB2 driver
  dt-bindings: phy: Add qcom,snps-eusb2-phy schema file
  phy: qcom-qmp-pcie: Add support for SM8550 g3x2 and g4x2 PCIEs
  phy: qcom-qmp: qserdes-lane-shared: Add v6 register offsets
  phy: qcom-qmp: qserdes-txrx: Add v6.20 register offsets
  phy: qcom-qmp: pcs-pcie: Add v6.20 register offsets
  phy: qcom-qmp: pcs-pcie: Add v6 register offsets
  phy: qcom-qmp: pcs: Add v6.20 register offsets
  ...
2023-02-24 17:22:11 -08:00
Linus Torvalds 9e6bfd42b1 dmaengine updates for v6.3
New support:
  - TI AM62Ax controller support
  - Xilinx xdma driver
  - Qualcomm SM6125, SM8550, QDU1000/QRU1000 GPI controller
 
  Updates:
  - Runtime pm support for at_xdmac driver
  - IMX sdma binding conversion to yaml and HDMI audio support
  - IMX mxs binding conversion to yaml
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Merge tag 'dmaengine-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "A new driver, couple of device support and binding conversion along
  with bunch of driver updates are the main features of this.

  New hardware support:

   - TI AM62Ax controller support

   - Xilinx xdma driver

   - Qualcomm SM6125, SM8550, QDU1000/QRU1000 GPI controller

  Updates:

   - Runtime pm support for at_xdmac driver

   - IMX sdma binding conversion to yaml and HDMI audio support

   - IMX mxs binding conversion to yaml"

* tag 'dmaengine-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (35 commits)
  dmaengine: idma64: Update bytes_transferred field
  dmaengine: imx-sdma: Set DMA channel to be private
  dmaengine: dw: Move check for paused channel to dwc_get_residue()
  dmaengine: ptdma: check for null desc before calling pt_cmd_callback
  dmaengine: dw-axi-dmac: Do not dereference NULL structure
  dmaengine: idxd: Fix default allowed read buffers value in group
  dmaengine: sf-pdma: pdma_desc memory leak fix
  dmaengine: Simplify dmaenginem_async_device_register() function
  dmaengine: use sysfs_emit() to instead of scnprintf()
  dmaengine: Make an order in struct dma_device definition
  dt-bindings: dma: cleanup examples - indentation, lowercase hex
  dt-bindings: dma: drop unneeded quotes
  dmaengine: xilinx: xdma: Add user logic interrupt support
  dmaengine: xilinx: xdma: Add xilinx xdma driver
  dmaengine: drivers: Use devm_platform_ioremap_resource()
  dmaengine: at_xdmac: remove empty line
  dmaengine: at_xdmac: add runtime pm support
  dmaengine: at_xdmac: align properly function members
  dmaengine: ppc4xx: Convert to use sysfs_emit()/sysfs_emit_at() APIs
  dmaengine: sun6i: Set the maximum segment size
  ...
2023-02-24 17:18:54 -08:00
Linus Torvalds 008128cd59 I2C for 6.3:
* new drivers for HPE GXP and Loongson 2K/LS7A
 * bigger refactorings for i801 and xiic
 * gpio driver gained ACPI and SDA-write only support
 * the core converted some OF helpers to fwnode helpers
 * usual bunch of driver updates
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Merge tag 'i2c-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:

 - new drivers for HPE GXP and Loongson 2K/LS7A

 - bigger refactorings for i801 and xiic

 - gpio driver gained ACPI and SDA-write only support

 - the core converted some OF helpers to fwnode helpers

 - usual bunch of driver updates

* tag 'i2c-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (52 commits)
  MAINTAINERS: Add HPE GXP I2C Support
  i2c: Add GXP SoC I2C Controller
  dt-bindings: i2c: Add hpe,gxp-i2c
  i2c: xiic: Remove some dead code
  i2c: xiic: Add SCL frequency configuration support
  i2c: xiic: Update compatible with new IP version
  dt-bindings: i2c: xiic: Add 'xlnx,axi-iic-2.1' to compatible
  i2c: i801: Call i801_check_post() from i801_access()
  i2c: i801: Call i801_check_pre() from i801_access()
  i2c: i801: Centralize configuring block commands in i801_block_transaction
  i2c: i801: Centralize configuring non-block commands in i801_simple_transaction
  i2c: i801: Handle SMBAUXCTL_E32B in i801_block_transaction_by_block only
  i2c: i801: Add i801_simple_transaction(), complementing i801_block_transaction()
  Documentation: i2c: correct spelling
  dt-bindings: i2c: i2c-st: convert to DT schema
  i2c: i801: add helper i801_set_hstadd()
  i2c: i801: make FEATURE_BLOCK_PROC dependent on FEATURE_BLOCK_BUFFER
  i2c: i801: make FEATURE_HOST_NOTIFY dependent on FEATURE_IRQ
  i2c: i801: improve interrupt handler
  i2c: st: use pm_sleep_ptr to avoid ifdef CONFIG_PM_SLEEP
  ...
2023-02-24 17:12:23 -08:00
Linus Torvalds 39f013440d power supply and reset changes for the v6.3 series
- power-supply core: remove faulty cooling logic
 - convert all sysfs show() handlers from *printf() use sysfs_emit()
 - bq25890: add dual-charger support required by Lenovo Yoga Tab 3 Pro
 - bq27xxx: fix reporting critical level
 - syscon-reboot: add priority property support
 - Introduce new rt9467 charger driver
 - Introduce new rt9471 charger driver
 - Introduce new Odroid Go Ultra poweroff driver
 - misc. minor fixes and cleanups
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Merge tag 'for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Nothing special for the power-supply subystem this time.

   - power-supply core: remove faulty cooling logic

   - convert all sysfs show() handlers from *printf() use sysfs_emit()

   - bq25890: add dual-charger support required by Lenovo Yoga Tab 3 Pro

   - bq27xxx: fix reporting critical level

   - syscon-reboot: add priority property support

   - new rt9467 charger driver

   - new rt9471 charger driver

   - new Odroid Go Ultra poweroff driver

   - misc minor fixes and cleanups"

* tag 'for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (32 commits)
  power: reset: odroid-go-ultra: fix I2C dependency
  power: supply: leds: explicitly include linux/leds.h
  dt-bindings: power: supply: pm8941-coincell: Don't require charging properties
  dt-bindings: power: supply: pm8941-coincell: Add PM8998 compatible
  power: reset: add Odroid Go Ultra poweroff driver
  power: supply: rt9467: Fix spelling mistake "attache" -> "attach"
  power: supply: rt9471: fix using wrong ce_gpio in rt9471_probe()
  power: supply: max77650: Make max77650_charger_disable() return void
  Documentation: power: rt9467: Document exported sysfs entries
  power: supply: rt9467: Add Richtek RT9467 charger driver
  dt-bindings: power: supply: Add Richtek RT9467 battery charger
  Documentation: power: rt9471: Document exported sysfs entries
  power: supply: rt9471: Add Richtek RT9471 charger driver
  dt-bindings: power: supply: Add Richtek RT9471 battery charger
  power: supply: max1721x: Use strscpy() is more robust and safer
  power: supply: test-power: use strscpy() instead of strncpy()
  power: supply: bq27xxx: fix reporting critical level
  power: supply: bq256xx: Init ichg/vbat value with chip default value
  power: supply: collie_battery: Convert to GPIO descriptors (part 2)
  power: supply: remove faulty cooling logic
  ...
2023-02-24 17:04:23 -08:00
Linus Torvalds 90ddb3f034 pci-v6.3-changes
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Merge tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:

   - Rework portdrv shutdown so it disables interrupts but doesn't
     disable bus mastering, which leads to hangs on Loongson LS7A

   - Add mechanism to prevent Max_Read_Request_Size (MRRS) increases,
     again to avoid hardware issues on Loongson LS7A (and likely other
     devices based on DesignWare IP)

   - Ignore devices with a firmware (DT or ACPI) node that says the
     device is disabled

  Resource management:

   - Distribute spare resources to unconfigured hotplug bridges at
     boot-time (not just when hot-adding such a bridge), which makes
     hot-adding devices to docks work better. Tried this in v6.1 but had
     to revert for regressions, so try again

   - Fix root bus issue that dropped resources that happened to end
     at 0, e.g., [bus 00]

  PCI device hotplug:

   - Remove device locking when marking device as disconnected so this
     doesn't have to wait for concurrent driver bind/unbind to complete

   - Quirk more Qualcomm bridges that don't fully implement the PCIe
     Slot Status 'Command Completed' bit

  Power management:

   - Account for _S0W of the target bridge in acpi_pci_bridge_d3() so we
     don't miss hot-add notifications for USB4 docks, Thunderbolt, etc

  Reset:

   - Observe delay after reset, e.g., resuming from system sleep,
     regardless of whether a bridge can suspend to D3cold at runtime

   - Wait for secondary bus to become ready after a bridge reset

  Virtualization:

   - Avoid FLR on some AMD FCH AHCI adapters where it doesn't work

   - Allow independent IOMMU groups for some Wangxun NICs that prevent
     peer-to-peer transactions but don't advertise an ACS Capability

  Error handling:

   - Configure End-to-End-CRC (ECRC) only if Linux owns the AER
     Capability

   - Remove redundant Device Control Error Reporting Enable in the AER
     service driver since this is already done for all devices during
     enumeration

  ASPM:

   - Add pci_enable_link_state() interface to allow drivers to enable
     ASPM link state

  Endpoint framework:

   - Move dra7xx and tegra194 linkup processing from hard IRQ to
     threaded IRQ handler

   - Add a separate lock for endpoint controller list of endpoint
     function drivers to prevent deadlock in callbacks

   - Pass events from endpoint controller to endpoint function drivers
     via callbacks instead of notifiers

  Synopsys DesignWare eDMA controller driver (acked by Vinod):

   - Fix CPU vs PCI address issues

   - Fix source vs destination address issues

   - Fix issues with interleaved transfer semantics

   - Fix channel count initialization issue (issue still exists in
     several other drivers)

   - Clean up and improve debugfs usage so it will work on platforms
     with several eDMA devices

  Baikal T-1 PCIe controller driver:

   - Set a 64-bit DMA mask

  Freescale i.MX6 PCIe controller driver:

   - Add i.MX8MM, i.MX8MQ, i.MX8MP endpoint mode DT binding and driver
     support

  Intel VMD host bridge driver:

   - Add quirk to configure PCIe ASPM and LTR. This is normally done by
     BIOS, and will be for future products

  Marvell MVEBU PCIe controller driver:

   - Mark this driver as broken in Kconfig since bugs prevent its daily
     usage

  MediaTek MT7621 PCIe controller driver:

   - Delay PHY port initialization to improve boot reliability for ZBT
     WE1326, ZBT WF3526-P, and some Netgear models

  Qualcomm PCIe controller driver:

   - Add MSM8998 DT compatible string

   - Unify MSM8996 and MSM8998 clock orderings

   - Add SM8350 DT binding and driver support

   - Add IPQ8074 Gen3 DT binding and driver support

   - Correct qcom,perst-regs in DT binding

   - Add qcom_pcie_host_deinit() so the PHY is powered off and
     regulators and clocks are disabled on late host-init errors

  Socionext UniPhier Pro5 controller driver:

   - Clean up uniphier-ep reg, clocks, resets, and their names in DT
     binding

  Synopsys DesignWare PCIe controller driver:

   - Restrict coherent DMA mask to 32 bits for MSI, but allow controller
     drivers to set 64-bit streaming DMA mask

   - Add eDMA engine support in both Root Port and Endpoint controllers

  Miscellaneous:

   - Remove MODULE_LICENSE from boolean drivers so they don't look like
     modules so modprobe can complain about them"

* tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (86 commits)
  PCI: dwc: Add Root Port and Endpoint controller eDMA engine support
  PCI: bt1: Set 64-bit DMA mask
  PCI: dwc: Restrict only coherent DMA mask for MSI address allocation
  dmaengine: dw-edma: Prepare dw_edma_probe() for builtin callers
  dmaengine: dw-edma: Depend on DW_EDMA instead of selecting it
  dmaengine: dw-edma: Add mem-mapped LL-entries support
  PCI: Remove MODULE_LICENSE so boolean drivers don't look like modules
  PCI: hv: Drop duplicate PCI_MSI dependency
  PCI/P2PDMA: Annotate RCU dereference
  PCI/sysfs: Constify struct kobj_type pci_slot_ktype
  PCI: hotplug: Allow marking devices as disconnected during bind/unbind
  PCI: pciehp: Add Qualcomm quirk for Command Completed erratum
  PCI: qcom: Add IPQ8074 Gen3 port support
  dt-bindings: PCI: qcom: Add IPQ8074 Gen3 port
  dt-bindings: PCI: qcom: Sort compatibles alphabetically
  PCI: qcom: Fix host-init error handling
  PCI: qcom: Add SM8350 support
  dt-bindings: PCI: qcom: Add SM8350
  dt-bindings: PCI: qcom-ep: Correct qcom,perst-regs
  dt-bindings: PCI: qcom: Unify MSM8996 and MSM8998 clock order
  ...
2023-02-24 16:51:40 -08:00
ChiaEn Wu 13af134bdc dt-bindings: power: supply: Revise Richtek RT9467 compatible name
Revise RT9467 compatible name from "richtek,rt9467-charger" to
"richtek,rt9467" because it has to match the "compatible name" in
the source code.

Fixes: e1b4620fb5 ("dt-bindings: power: supply: Add Richtek RT9467 battery charger")
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: ChiaEn Wu <chiaen_wu@richtek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2023-02-25 01:17:24 +01:00
Bastien Nocera f0cf057594 ABI: testing: sysfs-class-power: Document absence of "present" property
Document how the absence of the "present" property in the sysfs
power_supply class should be handled.

Link: https://gitlab.freedesktop.org/upower/upower/-/merge_requests/173
Cc: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2023-02-25 01:16:50 +01:00
Linus Torvalds a13de74e47 IOMMU Updates for Linux v6.3:
Including:
 
 	- Consolidate iommu_map/unmap functions. There have been
 	  blocking and atomic variants so far, but that was problematic
 	  as this approach does not scale with required new variants
 	  which just differ in the GFP flags used.
 	  So Jason consolidated this back into single functions that
 	  take a GFP parameter. This has the potential to cause
 	  conflicts with other trees, as they introduce new call-sites
 	  for the changed functions. I offered them to pull in the
 	  branch containing these changes and resolve it, but I am not
 	  sure everyone did that. The conflicts this caused with
 	  upstream up to v6.2-rc8 are resolved in the final merge
 	  commit.
 
 	- Retire the detach_dev() call-back in iommu_ops
 
 	- Arm SMMU updates from Will:
 	  - Device-tree binding updates:
 	    * Cater for three power domains on SM6375
 	    * Document existing compatible strings for Qualcomm SoCs
 	    * Tighten up clocks description for platform-specific compatible strings
 	  - Enable Qualcomm workarounds for some additional platforms that need them
 
 	- Intel VT-d updates from Lu Baolu:
 	  - Add Intel IOMMU performance monitoring support
 	  - Set No Execute Enable bit in PASID table entry
 	  - Two performance optimizations
 	  - Fix PASID directory pointer coherency
 	  - Fix missed rollbacks in error path
 	  - Cleanups
 
 	- Apple t8110 DART support
 
 	- Exynos IOMMU:
 	  - Implement better fault handling
 	  - Error handling fixes
 
 	- Renesas IPMMU:
 	  - Add device tree bindings for r8a779g0
 
 	- AMD IOMMU:
 	  - Various fixes for handling on SNP-enabled systems and
 	    handling of faults with unknown request-ids
 	  - Cleanups and other small fixes
 
 	- Various other smaller fixes and cleanups
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Merge tag 'iommu-updates-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - Consolidate iommu_map/unmap functions.

   There have been blocking and atomic variants so far, but that was
   problematic as this approach does not scale with required new
   variants which just differ in the GFP flags used. So Jason
   consolidated this back into single functions that take a GFP
   parameter.

 - Retire the detach_dev() call-back in iommu_ops

 - Arm SMMU updates from Will:
     - Device-tree binding updates:
         - Cater for three power domains on SM6375
         - Document existing compatible strings for Qualcomm SoCs
         - Tighten up clocks description for platform-specific
           compatible strings
     - Enable Qualcomm workarounds for some additional platforms that
       need them

 - Intel VT-d updates from Lu Baolu:
     - Add Intel IOMMU performance monitoring support
     - Set No Execute Enable bit in PASID table entry
     - Two performance optimizations
     - Fix PASID directory pointer coherency
     - Fix missed rollbacks in error path
     - Cleanups

 - Apple t8110 DART support

 - Exynos IOMMU:
     - Implement better fault handling
     - Error handling fixes

 - Renesas IPMMU:
     - Add device tree bindings for r8a779g0

 - AMD IOMMU:
     - Various fixes for handling on SNP-enabled systems and
       handling of faults with unknown request-ids
     - Cleanups and other small fixes

 - Various other smaller fixes and cleanups

* tag 'iommu-updates-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (71 commits)
  iommu/amd: Skip attach device domain is same as new domain
  iommu: Attach device group to old domain in error path
  iommu/vt-d: Allow to use flush-queue when first level is default
  iommu/vt-d: Fix PASID directory pointer coherency
  iommu/vt-d: Avoid superfluous IOTLB tracking in lazy mode
  iommu/vt-d: Fix error handling in sva enable/disable paths
  iommu/amd: Improve page fault error reporting
  iommu/amd: Do not identity map v2 capable device when snp is enabled
  iommu: Fix error unwind in iommu_group_alloc()
  iommu/of: mark an unused function as __maybe_unused
  iommu: dart: DART_T8110_ERROR range should be 0 to 5
  iommu/vt-d: Enable IOMMU perfmon support
  iommu/vt-d: Add IOMMU perfmon overflow handler support
  iommu/vt-d: Support cpumask for IOMMU perfmon
  iommu/vt-d: Add IOMMU perfmon support
  iommu/vt-d: Support Enhanced Command Interface
  iommu/vt-d: Retrieve IOMMU perfmon capability information
  iommu/vt-d: Support size of the register set in DRHD
  iommu/vt-d: Set No Execute Enable bit in PASID table entry
  iommu/vt-d: Remove sva from intel_svm_dev
  ...
2023-02-24 13:40:13 -08:00
Linus Torvalds 8395d932d2 Devicetree updates for v6.3:
DT core:
 - Add node lifecycle unit tests
 
 - Add of_property_present() helper aligned with fwnode API
 
 - Print more information on reserved regions on boot
 
 - Update dtc to upstream v1.6.1-66-gabbd523bae6e
 
 - Use strscpy() to instead of strncpy() in DT core
 
 - Add option for schema validation on %.dtb targets
 
 Bindings:
 - Add/fix support for listing multiple patterns in DT_SCHEMA_FILES
 
 - Rework external memory controller/bus bindings to properly support
   controller specific child node properties
 
 - Convert loongson,ls1x-intc, fcs,fusb302, sil,sii8620, Rockchip RK3399
   PCIe, Synquacer I2C, and Synquacer EXIU bindings to DT schema format
 
 - Add RiscV SBI PMU event mapping binding
 
 - Add missing contraints on Arm SCMI child node allowed properties
 
 - Add a bunch of missing Socionext UniPhier glue block bindings and
   example fixes
 
 - Various fixes for duplicate or conflicting type definitions on DT
   properties
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Merge tag 'devicetree-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT core:

   - Add node lifecycle unit tests

   - Add of_property_present() helper aligned with fwnode API

   - Print more information on reserved regions on boot

   - Update dtc to upstream v1.6.1-66-gabbd523bae6e

   - Use strscpy() to instead of strncpy() in DT core

   - Add option for schema validation on %.dtb targets

  Bindings:

   - Add/fix support for listing multiple patterns in DT_SCHEMA_FILES

   - Rework external memory controller/bus bindings to properly support
     controller specific child node properties

   - Convert loongson,ls1x-intc, fcs,fusb302, sil,sii8620, Rockchip
     RK3399 PCIe, Synquacer I2C, and Synquacer EXIU bindings to DT
     schema format

   - Add RiscV SBI PMU event mapping binding

   - Add missing contraints on Arm SCMI child node allowed properties

   - Add a bunch of missing Socionext UniPhier glue block bindings and
     example fixes

   - Various fixes for duplicate or conflicting type definitions on DT
     properties"

* tag 'devicetree-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (66 commits)
  dt-bindings: regulator: Add mps,mpq7932 power-management IC
  of: dynamic: Fix spelling mistake "kojbect" -> "kobject"
  dt-bindings: drop Sagar Kadam from SiFive binding maintainership
  dt-bindings: sram: qcom,imem: document sm8450
  dt-bindings: interrupt-controller: convert loongson,ls1x-intc.txt to json-schema
  dt-bindings: arm: Add Cortex-A715 and X3
  of: dynamic: add lifecycle docbook info to node creation functions
  of: add consistency check to of_node_release()
  of: do not use "%pOF" printk format on node with refcount of zero
  of: unittest: add node lifecycle tests
  of: update kconfig unittest help
  of: add processing of EXPECT_NOT to of_unittest_expect
  of: prepare to add processing of EXPECT_NOT to of_unittest_expect
  of: Use preferred of_property_read_* functions
  of: Use of_property_present() helper
  of: Add of_property_present() helper
  of: reserved_mem: Use proper binary prefix
  dt-bindings: Fix multi pattern support in DT_SCHEMA_FILES
  of: reserved-mem: print out reserved-mem details during boot
  dt-bindings: serial: restrict possible child node names
  ...
2023-02-24 13:31:53 -08:00
Linus Torvalds a93e884edf Driver core changes for 6.3-rc1
Here is the large set of driver core changes for 6.3-rc1.
 
 There's a lot of changes this development cycle, most of the work falls
 into two different categories:
   - fw_devlink fixes and updates.  This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.
   - driver core changes to work to make struct bus_type able to be moved
     into read-only memory (i.e. const)  The recent work with Rust has
     pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only making
     things safer overall.  This is the contuation of that work (started
     last release with kobject changes) in moving struct bus_type to be
     constant.  We didn't quite make it for this release, but the
     remaining patches will be finished up for the release after this
     one, but the groundwork has been laid for this effort.
 
 Other than that we have in here:
   - debugfs memory leak fixes in some subsystems
   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.
   - cacheinfo rework and fixes
   - Other tiny fixes, full details are in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the large set of driver core changes for 6.3-rc1.

  There's a lot of changes this development cycle, most of the work
  falls into two different categories:

   - fw_devlink fixes and updates. This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.

   - driver core changes to work to make struct bus_type able to be
     moved into read-only memory (i.e. const) The recent work with Rust
     has pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only
     making things safer overall. This is the contuation of that work
     (started last release with kobject changes) in moving struct
     bus_type to be constant. We didn't quite make it for this release,
     but the remaining patches will be finished up for the release after
     this one, but the groundwork has been laid for this effort.

  Other than that we have in here:

   - debugfs memory leak fixes in some subsystems

   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.

   - cacheinfo rework and fixes

   - Other tiny fixes, full details are in the shortlog

  All of these have been in linux-next for a while with no reported
  problems"

[ Geert Uytterhoeven points out that that last sentence isn't true, and
  that there's a pending report that has a fix that is queued up - Linus ]

* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
  debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
  OPP: fix error checking in opp_migrate_dentry()
  debugfs: update comment of debugfs_rename()
  i3c: fix device.h kernel-doc warnings
  dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
  driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
  Revert "driver core: add error handling for devtmpfs_create_node()"
  Revert "devtmpfs: add debug info to handle()"
  Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
  driver core: cpu: don't hand-override the uevent bus_type callback.
  devtmpfs: remove return value of devtmpfs_delete_node()
  devtmpfs: add debug info to handle()
  driver core: add error handling for devtmpfs_create_node()
  driver core: bus: update my copyright notice
  driver core: bus: add bus_get_dev_root() function
  driver core: bus: constify bus_unregister()
  driver core: bus: constify some internal functions
  driver core: bus: constify bus_get_kset()
  driver core: bus: constify bus_register/unregister_notifier()
  driver core: remove private pointer from struct bus_type
  ...
2023-02-24 12:58:55 -08:00
Linus Torvalds 693fed981e Char/Misc and other driver subsystem changes for 6.3-rc1
Here is the large set of driver changes for char/misc drivers and other
 smaller driver subsystems that flow through this git tree.
 
 Included in here are:
   - New IIO drivers and features and improvments in that subsystem
   - New hwtracing drivers and additions to that subsystem
   - lots of interconnect changes and new drivers as that subsystem seems
     under very active development recently.  This required also merging
     in the icc subsystem changes through this tree.
   - FPGA driver updates
   - counter subsystem and driver updates
   - MHI driver updates
   - nvmem driver updates
   - documentation updates
   - Other smaller driver updates and fixes, full details in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the large set of driver changes for char/misc drivers and
  other smaller driver subsystems that flow through this git tree.

  Included in here are:

   - New IIO drivers and features and improvments in that subsystem

   - New hwtracing drivers and additions to that subsystem

   - lots of interconnect changes and new drivers as that subsystem
     seems under very active development recently. This required also
     merging in the icc subsystem changes through this tree.

   - FPGA driver updates

   - counter subsystem and driver updates

   - MHI driver updates

   - nvmem driver updates

   - documentation updates

   - Other smaller driver updates and fixes, full details in the
     shortlog

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (223 commits)
  scripts/tags.sh: fix incompatibility with PCRE2
  firmware: coreboot: Remove GOOGLE_COREBOOT_TABLE_ACPI/OF Kconfig entries
  mei: lower the log level for non-fatal failed messages
  mei: bus: disallow driver match while dismantling device
  misc: vmw_balloon: fix memory leak with using debugfs_lookup()
  nvmem: stm32: fix OPTEE dependency
  dt-bindings: nvmem: qfprom: add IPQ8074 compatible
  nvmem: qcom-spmi-sdam: register at device init time
  nvmem: rave-sp-eeprm: fix kernel-doc bad line warning
  nvmem: stm32: detect bsec pta presence for STM32MP15x
  nvmem: stm32: add OP-TEE support for STM32MP13x
  nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of()
  nvmem: core: add nvmem_add_one_cell()
  nvmem: core: drop the removal of the cells in nvmem_add_cells()
  nvmem: core: move struct nvmem_cell_info to nvmem-provider.h
  nvmem: core: add an index parameter to the cell
  of: property: add #nvmem-cell-cells property
  of: property: make #.*-cells optional for simple props
  of: base: add of_parse_phandle_with_optional_args()
  net: add helper eth_addr_add()
  ...
2023-02-24 12:47:33 -08:00
Linus Torvalds 17cd4d6f05 TTY/Serial driver updates for 6.3-rc1
Here is the big set of serial and tty driver updates for 6.3-rc1.
 
 Once again, Jiri and Ilpo have done a number of core vt and tty/serial
 layer cleanups that were much needed and appreciated.  Other than that,
 it's just a bunch of little tty/serial driver updates:
   - qcom-geni-serial driver updates
   - liteuart driver updates
   - hvcs driver cleanups
   - n_gsm updates and additions for new features
   - more 8250 device support added
   - fpga/dfl update and additions
   - imx serial driver updates
   - fsl_lpuart updates
   - other tiny fixes and updates for serial drivers
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial driver updates from Greg KH:
 "Here is the big set of serial and tty driver updates for 6.3-rc1.

  Once again, Jiri and Ilpo have done a number of core vt and tty/serial
  layer cleanups that were much needed and appreciated. Other than that,
  it's just a bunch of little tty/serial driver updates:

   - qcom-geni-serial driver updates

   - liteuart driver updates

   - hvcs driver cleanups

   - n_gsm updates and additions for new features

   - more 8250 device support added

   - fpga/dfl update and additions

   - imx serial driver updates

   - fsl_lpuart updates

   - other tiny fixes and updates for serial drivers

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (143 commits)
  tty: n_gsm: add keep alive support
  serial: imx: remove a redundant check
  dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties
  soc: qcom: geni-se: Move qcom-geni-se.h to linux/soc/qcom/geni-se.h
  tty: n_gsm: add TIOCMIWAIT support
  tty: n_gsm: add RING/CD control support
  tty: n_gsm: mark unusable ioctl structure fields accordingly
  serial: imx: get rid of registers shadowing
  serial: imx: refine local variables in rxint()
  serial: imx: stop using USR2 in FIFO reading loop
  serial: imx: remove redundant USR2 read from FIFO reading loop
  serial: imx: do not break from FIFO reading loop prematurely
  serial: imx: do not sysrq broken chars
  serial: imx: work-around for hardware RX flood
  serial: imx: factor-out common code to imx_uart_soft_reset()
  serial: 8250_pci1xxxx: Add power management functions to quad-uart driver
  serial: 8250_pci1xxxx: Add RS485 support to quad-uart driver
  serial: 8250_pci1xxxx: Add driver for quad-uart support
  serial: 8250_pci: Add serial8250_pci_setup_port definition in 8250_pcilib.c
  tty: pcn_uart: fix memory leak with using debugfs_lookup()
  ...
2023-02-24 12:17:14 -08:00
Linus Torvalds 72bffe7e1e USB / Thunderbolt driver changes for 6.3-rc1
Here is the big set of USB and Thunderbolt driver changes for 6.3-rc1.
 
 Nothing major in here, just lots of good development, including:
   - Thunderbolt additions for new device support and features
   - xhci driver updates and cleanups
   - USB gadget media driver updates (includes media core changes that
     were acked by the v4l2 maintainers)
   - lots of other USB gadget driver updates for new features
   - dwc3 driver updates and fixes
   - minor debugfs leak fixes
   - typec driver updates and additions
   - dt-bindings conversions to yaml
   - other small bugfixes and driver updates
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver changes for 6.3-rc1.

  Nothing major in here, just lots of good development, including:

   - Thunderbolt additions for new device support and features

   - xhci driver updates and cleanups

   - USB gadget media driver updates (includes media core changes that
     were acked by the v4l2 maintainers)

   - lots of other USB gadget driver updates for new features

   - dwc3 driver updates and fixes

   - minor debugfs leak fixes

   - typec driver updates and additions

   - dt-bindings conversions to yaml

   - other small bugfixes and driver updates

  All have been in linux-next for a while with no reported issues"

* tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (237 commits)
  usb: dwc3: xilinx: Remove unused of_gpio,h
  usb: typec: pd: Add higher capability sysfs for sink PDO
  usb: typec: pd: Remove usb_suspend_supported sysfs from sink PDO
  usb: dwc3: pci: add support for the Intel Meteor Lake-M
  usb: gadget: u_ether: Don't warn in gether_setup_name_default()
  usb: gadget: u_ether: Convert prints to device prints
  usb: gadget: u_serial: Add null pointer check in gserial_resume
  usb: gadget: uvc: fix missing mutex_unlock() if kstrtou8() fails
  xhci: host: potential NULL dereference in xhci_generic_plat_probe()
  dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: make G12A usb3-phy0 optional
  usb: host: fsl-mph-dr-of: reuse device_set_of_node_from_dev
  of: device: Do not ignore error code in of_device_uevent_modalias
  of: device: Ignore modalias of reused nodes
  usb: gadget: configfs: Fix set but not used variable warning
  usb: gadget: uvc: Use custom strings if available
  usb: gadget: uvc: Allow linking function to string descs
  usb: gadget: uvc: Pick up custom string descriptor IDs
  usb: gadget: uvc: Allow linking XUs to string descriptors
  usb: gadget: configfs: Attach arbitrary strings to cdev
  usb: gadget: configfs: Support arbitrary string descriptors
  ...
2023-02-24 12:07:00 -08:00
Tariq Toukan 1862de92c8 netdev-genl: fix repeated typo oflloading -> offloading
Fix a repeated copy/paste typo.

Fixes: d3d854fd6a ("netdev-genl: create a simple family for netdev stuff")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-02-24 11:01:16 +00:00
Linus Torvalds d2980d8d82 There is no particular theme here - mainly quick hits all over the tree.
Most notable is a set of zlib changes from Mikhail Zaslonko which enhances
 and fixes zlib's use of S390 hardware support: "lib/zlib: Set of s390
 DFLTCC related patches for kernel zlib".
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Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:
 "There is no particular theme here - mainly quick hits all over the
  tree.

  Most notable is a set of zlib changes from Mikhail Zaslonko which
  enhances and fixes zlib's use of S390 hardware support: 'lib/zlib: Set
  of s390 DFLTCC related patches for kernel zlib'"

* tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (55 commits)
  Update CREDITS file entry for Jesper Juhl
  sparc: allow PM configs for sparc32 COMPILE_TEST
  hung_task: print message when hung_task_warnings gets down to zero.
  arch/Kconfig: fix indentation
  scripts/tags.sh: fix the Kconfig tags generation when using latest ctags
  nilfs2: prevent WARNING in nilfs_dat_commit_end()
  lib/zlib: remove redundation assignement of avail_in dfltcc_gdht()
  lib/Kconfig.debug: do not enable DEBUG_PREEMPT by default
  lib/zlib: DFLTCC always switch to software inflate for Z_PACKET_FLUSH option
  lib/zlib: DFLTCC support inflate with small window
  lib/zlib: Split deflate and inflate states for DFLTCC
  lib/zlib: DFLTCC not writing header bits when avail_out == 0
  lib/zlib: fix DFLTCC ignoring flush modes when avail_in == 0
  lib/zlib: fix DFLTCC not flushing EOBS when creating raw streams
  lib/zlib: implement switching between DFLTCC and software
  lib/zlib: adjust offset calculation for dfltcc_state
  nilfs2: replace WARN_ONs for invalid DAT metadata block requests
  scripts/spelling.txt: add "exsits" pattern and fix typo instances
  fs: gracefully handle ->get_block not mapping bh in __mpage_writepage
  cramfs: Kconfig: fix spelling & punctuation
  ...
2023-02-23 17:55:40 -08:00
Linus Torvalds 3822a7c409 - Daniel Verkamp has contributed a memfd series ("mm/memfd: add
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
   memfd creation time, with the option of sealing the state of the X bit.
 
 - Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
   thread-safe for pmd unshare") which addresses a rare race condition
   related to PMD unsharing.
 
 - Several folioification patch serieses from Matthew Wilcox, Vishal
   Moola, Sidhartha Kumar and Lorenzo Stoakes
 
 - Johannes Weiner has a series ("mm: push down lock_page_memcg()") which
   does perform some memcg maintenance and cleanup work.
 
 - SeongJae Park has added DAMOS filtering to DAMON, with the series
   "mm/damon/core: implement damos filter".  These filters provide users
   with finer-grained control over DAMOS's actions.  SeongJae has also done
   some DAMON cleanup work.
 
 - Kairui Song adds a series ("Clean up and fixes for swap").
 
 - Vernon Yang contributed the series "Clean up and refinement for maple
   tree".
 
 - Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series.  It
   adds to MGLRU an LRU of memcgs, to improve the scalability of global
   reclaim.
 
 - David Hildenbrand has added some userfaultfd cleanup work in the
   series "mm: uffd-wp + change_protection() cleanups".
 
 - Christoph Hellwig has removed the generic_writepages() library
   function in the series "remove generic_writepages".
 
 - Baolin Wang has performed some maintenance on the compaction code in
   his series "Some small improvements for compaction".
 
 - Sidhartha Kumar is doing some maintenance work on struct page in his
   series "Get rid of tail page fields".
 
 - David Hildenbrand contributed some cleanup, bugfixing and
   generalization of pte management and of pte debugging in his series "mm:
   support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap
   PTEs".
 
 - Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
   flag in the series "Discard __GFP_ATOMIC".
 
 - Sergey Senozhatsky has improved zsmalloc's memory utilization with his
   series "zsmalloc: make zspage chain size configurable".
 
 - Joey Gouly has added prctl() support for prohibiting the creation of
   writeable+executable mappings.  The previous BPF-based approach had
   shortcomings.  See "mm: In-kernel support for memory-deny-write-execute
   (MDWE)".
 
 - Waiman Long did some kmemleak cleanup and bugfixing in the series
   "mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
 
 - T.J.  Alumbaugh has contributed some MGLRU cleanup work in his series
   "mm: multi-gen LRU: improve".
 
 - Jiaqi Yan has provided some enhancements to our memory error
   statistics reporting, mainly by presenting the statistics on a per-node
   basis.  See the series "Introduce per NUMA node memory error
   statistics".
 
 - Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
   regression in compaction via his series "Fix excessive CPU usage during
   compaction".
 
 - Christoph Hellwig does some vmalloc maintenance work in the series
   "cleanup vfree and vunmap".
 
 - Christoph Hellwig has removed block_device_operations.rw_page() in ths
   series "remove ->rw_page".
 
 - We get some maple_tree improvements and cleanups in Liam Howlett's
   series "VMA tree type safety and remove __vma_adjust()".
 
 - Suren Baghdasaryan has done some work on the maintainability of our
   vm_flags handling in the series "introduce vm_flags modifier functions".
 
 - Some pagemap cleanup and generalization work in Mike Rapoport's series
   "mm, arch: add generic implementation of pfn_valid() for FLATMEM" and
   "fixups for generic implementation of pfn_valid()"
 
 - Baoquan He has done some work to make /proc/vmallocinfo and
   /proc/kcore better represent the real state of things in his series
   "mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
 
 - Jason Gunthorpe rationalized the GUP system's interface to the rest of
   the kernel in the series "Simplify the external interface for GUP".
 
 - SeongJae Park wishes to migrate people from DAMON's debugfs interface
   over to its sysfs interface.  To support this, we'll temporarily be
   printing warnings when people use the debugfs interface.  See the series
   "mm/damon: deprecate DAMON debugfs interface".
 
 - Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
   and clean-ups" series.
 
 - Huang Ying has provided a dramatic reduction in migration's TLB flush
   IPI rates with the series "migrate_pages(): batch TLB flushing".
 
 - Arnd Bergmann has some objtool fixups in "objtool warning fixes".
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Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Daniel Verkamp has contributed a memfd series ("mm/memfd: add
   F_SEAL_EXEC") which permits the setting of the memfd execute bit at
   memfd creation time, with the option of sealing the state of the X
   bit.

 - Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
   thread-safe for pmd unshare") which addresses a rare race condition
   related to PMD unsharing.

 - Several folioification patch serieses from Matthew Wilcox, Vishal
   Moola, Sidhartha Kumar and Lorenzo Stoakes

 - Johannes Weiner has a series ("mm: push down lock_page_memcg()")
   which does perform some memcg maintenance and cleanup work.

 - SeongJae Park has added DAMOS filtering to DAMON, with the series
   "mm/damon/core: implement damos filter".

   These filters provide users with finer-grained control over DAMOS's
   actions. SeongJae has also done some DAMON cleanup work.

 - Kairui Song adds a series ("Clean up and fixes for swap").

 - Vernon Yang contributed the series "Clean up and refinement for maple
   tree".

 - Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
   adds to MGLRU an LRU of memcgs, to improve the scalability of global
   reclaim.

 - David Hildenbrand has added some userfaultfd cleanup work in the
   series "mm: uffd-wp + change_protection() cleanups".

 - Christoph Hellwig has removed the generic_writepages() library
   function in the series "remove generic_writepages".

 - Baolin Wang has performed some maintenance on the compaction code in
   his series "Some small improvements for compaction".

 - Sidhartha Kumar is doing some maintenance work on struct page in his
   series "Get rid of tail page fields".

 - David Hildenbrand contributed some cleanup, bugfixing and
   generalization of pte management and of pte debugging in his series
   "mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with
   swap PTEs".

 - Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
   flag in the series "Discard __GFP_ATOMIC".

 - Sergey Senozhatsky has improved zsmalloc's memory utilization with
   his series "zsmalloc: make zspage chain size configurable".

 - Joey Gouly has added prctl() support for prohibiting the creation of
   writeable+executable mappings.

   The previous BPF-based approach had shortcomings. See "mm: In-kernel
   support for memory-deny-write-execute (MDWE)".

 - Waiman Long did some kmemleak cleanup and bugfixing in the series
   "mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".

 - T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
   "mm: multi-gen LRU: improve".

 - Jiaqi Yan has provided some enhancements to our memory error
   statistics reporting, mainly by presenting the statistics on a
   per-node basis. See the series "Introduce per NUMA node memory error
   statistics".

 - Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
   regression in compaction via his series "Fix excessive CPU usage
   during compaction".

 - Christoph Hellwig does some vmalloc maintenance work in the series
   "cleanup vfree and vunmap".

 - Christoph Hellwig has removed block_device_operations.rw_page() in
   ths series "remove ->rw_page".

 - We get some maple_tree improvements and cleanups in Liam Howlett's
   series "VMA tree type safety and remove __vma_adjust()".

 - Suren Baghdasaryan has done some work on the maintainability of our
   vm_flags handling in the series "introduce vm_flags modifier
   functions".

 - Some pagemap cleanup and generalization work in Mike Rapoport's
   series "mm, arch: add generic implementation of pfn_valid() for
   FLATMEM" and "fixups for generic implementation of pfn_valid()"

 - Baoquan He has done some work to make /proc/vmallocinfo and
   /proc/kcore better represent the real state of things in his series
   "mm/vmalloc.c: allow vread() to read out vm_map_ram areas".

 - Jason Gunthorpe rationalized the GUP system's interface to the rest
   of the kernel in the series "Simplify the external interface for
   GUP".

 - SeongJae Park wishes to migrate people from DAMON's debugfs interface
   over to its sysfs interface. To support this, we'll temporarily be
   printing warnings when people use the debugfs interface. See the
   series "mm/damon: deprecate DAMON debugfs interface".

 - Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
   and clean-ups" series.

 - Huang Ying has provided a dramatic reduction in migration's TLB flush
   IPI rates with the series "migrate_pages(): batch TLB flushing".

 - Arnd Bergmann has some objtool fixups in "objtool warning fixes".

* tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits)
  include/linux/migrate.h: remove unneeded externs
  mm/memory_hotplug: cleanup return value handing in do_migrate_range()
  mm/uffd: fix comment in handling pte markers
  mm: change to return bool for isolate_movable_page()
  mm: hugetlb: change to return bool for isolate_hugetlb()
  mm: change to return bool for isolate_lru_page()
  mm: change to return bool for folio_isolate_lru()
  objtool: add UACCESS exceptions for __tsan_volatile_read/write
  kmsan: disable ftrace in kmsan core code
  kasan: mark addr_has_metadata __always_inline
  mm: memcontrol: rename memcg_kmem_enabled()
  sh: initialize max_mapnr
  m68k/nommu: add missing definition of ARCH_PFN_OFFSET
  mm: percpu: fix incorrect size in pcpu_obj_full_size()
  maple_tree: reduce stack usage with gcc-9 and earlier
  mm: page_alloc: call panic() when memoryless node allocation fails
  mm: multi-gen LRU: avoid futile retries
  migrate_pages: move THP/hugetlb migration support check to simplify code
  migrate_pages: batch flushing TLB
  migrate_pages: share more code between _unmap and _move
  ...
2023-02-23 17:09:35 -08:00
Linus Torvalds e4bc158895 - Remove Drivers
- HTC ASIC3 LED
 
  - New Functionality
    - Provide generic led_get() which can be used by both DT and !DT platforms
 
  - Fix-ups
    - Convert a bunch of I2C subsystem users to the new probing API
    - Explicitly provide missing include files
    - Make use of led_init_default_state_get() and rid the custom variants
    - Use simplified fwnode_device_is_compatible() API
    - Provide some Device Tree additions / adaptions
    - Fix some trivial spelling issues
 
  - Bug Fixes
    - Prevent device refcount leak during led_put() and of_led_get()
    - Clear previous data from temporary led_pwm structure before processing next child
    - Fix Clang's warning about incompatible function types when using devm_add_action*()
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Merge tag 'leds-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "Removed Drivers:
   - HTC ASIC3 LED

  New Functionality:
   - Provide generic led_get() which can be used by both DT and !DT
     platforms

  Fix-ups:
   - Convert a bunch of I2C subsystem users to the new probing API
   - Explicitly provide missing include files
   - Make use of led_init_default_state_get() and rid the custom
     variants
   - Use simplified fwnode_device_is_compatible() API
   - Provide some Device Tree additions / adaptions
   - Fix some trivial spelling issues

  Bug Fixes:
   - Prevent device refcount leak during led_put() and of_led_get()
   - Clear previous data from temporary led_pwm structure before
     processing next child
   - Fix Clang's warning about incompatible function types when using
     devm_add_action*()"

* tag 'leds-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (41 commits)
  leds: Remove ide-disk trigger
  dt-bindings: leds: Add disk write/read and usb-host/usb-gadget
  Documentation: leds: Correct spelling
  dt-bindings: leds: Document Bluetooth and WLAN triggers
  leds: Remove asic3 driver
  leds: simatic-ipc-leds-gpio: Make sure we have the GPIO providing driver
  leds: tca6507: Convert to use fwnode_device_is_compatible()
  leds: syscon: Get rid of custom led_init_default_state_get()
  leds: pm8058: Get rid of custom led_init_default_state_get()
  leds: pca955x: Get rid of custom led_init_default_state_get()
  leds: mt6360: Get rid of custom led_init_default_state_get()
  leds: mt6323: Get rid of custom led_init_default_state_get()
  leds: bcm6358: Get rid of custom led_init_default_state_get()
  leds: bcm6328: Get rid of custom led_init_default_state_get()
  leds: an30259a: Get rid of custom led_init_default_state_get()
  leds: Move led_init_default_state_get() to the global header
  leds: Add missing includes and forward declarations in leds.h
  leds: is31fl319x: Wrap mutex_destroy() for devm_add_action_or_rest()
  leds: turris-omnia: Convert to i2c's .probe_new()
  leds: tlc591xx: Convert to i2c's .probe_new()
  ...
2023-02-23 15:09:31 -08:00
Linus Torvalds 025cf4dc5d - New Drivers
- Add support for Kinetic KTZ8866 Backlight
 
  - Remove Drivers
    - Toshiba Sharp SL-6000 LCD and Backlight
 
  - Fix-ups
    - Provide some profiling optimisations with respect to pwm_get_state() and pwm_apply_state()
    - Make use of the dev_err_probe() API
    - Provide some Device Tree documentation additions / adaptions
    - Drop fall-back legacy PWM probing support
    - Convert over to new I2C probing API
    - Fix incorrect documentation
    - Make use of backlight_get_brightness() API
 
  - Bug Fixes
    - Fix disabling backlight on i.MX6 when inverted PWMs are used
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Merge tag 'backlight-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Drivers:
   - Add support for Kinetic KTZ8866 Backlight

  Removed Drivers:
   - Toshiba Sharp SL-6000 LCD and Backlight

  Fix-ups:
   - Provide some profiling optimisations with respect to
     pwm_get_state() and pwm_apply_state()
   - Make use of the dev_err_probe() API
   - Provide some Device Tree documentation additions / adaptions
   - Drop fall-back legacy PWM probing support
   - Convert over to new I2C probing API
   - Fix incorrect documentation
   - Make use of backlight_get_brightness() API

  Bug Fixes:
   - Fix disabling backlight on i.MX6 when inverted PWMs are used"

* tag 'backlight-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: ktz8866: Convert to i2c's .probe_new()
  backlight: ktz8866: Add support for Kinetic KTZ8866 backlight
  dt-bindings: leds: backlight: Add Kinetic KTZ8866 backlight
  backlight: pwm_bl: Don't rely on a disabled PWM emiting inactive state
  backlight: pwm_bl: Configure pwm only once per backlight toggle
  backlight: Remove pxa tosa support
  backlight: aat2870: Use backlight helper
  backlight: ipaq_micro: Use backlight helper
  backlight: arcxcnn: Use backlight helper
  backlight: sky81452: Fix sky81452_bl_platform_data kernel-doc
  backlight: pwm_bl: Drop support for legacy PWM probing
  dt-bindings: backlight: qcom-wled: Add PMI8950 compatible
  backlight: ktd253: Switch to use dev_err_probe() helper
  backlight: backlight: Fix doc for backlight_device_get_by_name
2023-02-23 15:06:28 -08:00
Linus Torvalds c2c23dc7d5 - Core Frameworks
- Change MFD support status from Supported to Maintained
 
  - New Drivers
    - Add support for the Intel Platform Management Component Interface (PMCI)
 
  - Remove Drivers
    - HTC PASIC3 LED/DS1WM
    - Toshiba T7L66XB, TC6387XB and TC6393XB TMIO
 
  - New Device Support
    - Add support for N6000 Flash to Intel M10 BMC PMCI
    - Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC
 
  - New Functionality
    - Provide Reset support to Syscon
 
  - Fix-ups
    - Explicitly provide missing include files
    - Pass platform type data/info via the SPI/I2C/DT registration strategy
    - Lots of DT documentation / adaptions
    - Replace scnprintf() with preferred sysfs_emit()
    - Remove unused / superfluous code
    - Fix some trivial whitesspace / spelling / grammatical issues
    - Replace pm_power_off with new and improved register_sys_off_handler() API
 
  - Bug Fixes
    - Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
    - Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
    - Refuse to build CS5535 on unsupported UML architectures
    - Fix memory leaks in error return paths
    - Prevent refcount leaks in error return paths
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Merge tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Framework:
   - Change MFD support status from Supported to Maintained

  New Drivers:
   - Add support for the Intel Platform Management Component Interface
     (PMCI)

  Removed Drivers:
   - HTC PASIC3 LED/DS1WM
   - Toshiba T7L66XB, TC6387XB and TC6393XB TMIO

  New Device Support:
   - Add support for N6000 Flash to Intel M10 BMC PMCI
   - Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC

  New Functionality:
   - Provide Reset support to Syscon

  Fix-ups:
   - Explicitly provide missing include files
   - Pass platform type data/info via the SPI/I2C/DT registration
     strategy
   - Lots of DT documentation / adaptions
   - Replace scnprintf() with preferred sysfs_emit()
   - Remove unused / superfluous code
   - Fix some trivial whitesspace / spelling / grammatical issues
   - Replace pm_power_off with new and improved
     register_sys_off_handler() API

  Bug Fixes:
   - Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
   - Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
   - Refuse to build CS5535 on unsupported UML architectures
   - Fix memory leaks in error return paths
   - Prevent refcount leaks in error return paths"

* tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (40 commits)
  dt-bindings: mfd: qcom,tcsr: Add compatible for IPQ5332
  dt-bindings: mfd: Add NXP BBNSM
  mfd: ntxec: Add version number for EC in Tolino Vision
  dt-bindings: mfd: syscon: Add mt8365-syscfg
  mfd: Remove toshiba tmio drivers
  mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak
  mfd: syscon: Allow reset control for syscon devices
  dt-bindings: mfd/syscon: Add resets property
  dt-bindings: mfd: syscon: Add amd,pensando-elba-syscon compatible
  dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8226
  mfd: simple-mfd-i2c: Fix incoherent comment regarding DT registration
  mfd: axp20x: Switch to the sys-off handler API
  mfd: core: Spelling s/compement/complement/
  mfd: max8925: Remove the unused function irq_to_max8925()
  mfd: qcom-pm8xxx: Remove set but unused variable 'rev'
  dt-bindings: mfd: syscon: Document GXP register compatible
  mfd: twl4030-power: Drop empty platform remove function
  mfd: twl: Fix TWL6032 phy vbus detection
  mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()
  MAINTAINERS: Move MFD from a Supported to Maintaied state
  ...
2023-02-23 15:03:05 -08:00
Linus Torvalds f2b98d0af2 bootconfig for v6.3:
- Fix ftrace2bconf.sh tool for checking event enable status correctly.
 
 - Add CONFIG_BOOT_CONFIG_FORCE to apply bootconfig without 'bootconfig'
   boot parameter.
 
 - Enable CONFIG_BOOT_CONFIG_FORCE by default if a bootconfig is embedded
   in the kernel.
 
 - Increase max number of nodes of bootconfig to 8192.
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Merge tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull bootconfig updates from Masami Hiramatsu:

 - Fix ftrace2bconf.sh tool for checking event enable status correctly

 - Add CONFIG_BOOT_CONFIG_FORCE to apply bootconfig without 'bootconfig'
   boot parameter

 - Enable CONFIG_BOOT_CONFIG_FORCE by default if a bootconfig is
   embedded in the kernel

 - Increase max number of nodes of bootconfig to 8192

* tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support
  bootconfig: Default BOOT_CONFIG_FORCE to y if BOOT_CONFIG_EMBED
  Allow forcing unconditional bootconfig processing
  tools/bootconfig: fix single & used for logical condition
2023-02-23 14:27:01 -08:00
Linus Torvalds c538944d8e modules-6.3-rc1
Nothing exciting at all for modules for v6.3. The biggest change is
 just the change of INSTALL_MOD_DIR from "extra" to "updates" which
 I found lingered for ages for no good reason while testing the CXL
 mock driver [0]. The CXL mock driver has no kconfig integration and requires
 building an external module... and re-building the *rest* of the production
 drivers. This mock driver when loaded but not the production ones will
 crash. All this crap can obviously be fixed by integrating kconfig
 semantics into such test module, however that's not desirable by
 the maintainer, and so sensible defaults must be used to ensure a
 default "make modules_install" will suffice for most distros which
 do not have a file like /etc/depmod.d/dist.conf with something like
 `search updates extra built-in`. Since most distros rely on kmod and
 since its inception the "updates" directory is always in the search
 path it makes more sense to use that than the "extra" which only
 *some* RH based systems rely on. All this stuff has been on linux-next
 for a while.
 
 For v6.4 I already have queued some initial work by Song Liu which gets
 us slowly going to a place where we *may* see a generic allocator for
 huge pages for module text to avoid direct map fragmentation *and*
 reduce iTLB pressure. That work is in its initial stages, no allocator
 work is done yet. This is all just prep work. Fortunately Thomas Gleixner
 has helped convince Song that modules *need* to be *requirement* if we
 are going to see any special allocator touch x86. So who knows... maybe
 around v6.5 we'll start seeing some *real* performance numbers of the
 effect of using huge pages for something other than eBPF toys.
 
 For v6.4 also, you may start seeing patches from Nick Alcock on different
 trees and modules-next which aims at extending kallsyms *eventually* to provide
 clearer address to symbol lookups. The claim is that this is a *great* *feature*
 tracing tools are dying to have so they can for instance disambiguate symbols as
 coming from modules or from other parts of the kernel. I'm still waiting to see
 proper too usage of such stuff, but *how* we lay this out is still being ironed
 out. Part of the initial work I've been pushing for is to help upkeep our
 modules build optimizations, so being mindful about the work by Masahiro Yamada
 on commit 8b41fc4454 ("kbuild: create modules.builtin without
 Makefile.modbuiltin or tristate.conf") which helps avoid traversing the build
 tree twice. After this commit we now rely on the MODULE_LICENSE() tag to
 determine in a *faster* way if something being built could be a module and
 we dump this into the modules.builtin so that modprobe can simply succeed
 if a module is known to already be built-in. The cleanup work on MODULE_LICENSE()
 simply stems to assist false positives from userspace for things as built-in
 when they *cannot ever* be modules as we don't even tristate the code as
 modular. This work also helps with the SPDX effort as some code is not clearly
 identified with a tag. In the *future*, once all *possible* modules are
 confirmed to have a respective SPDX tag, we *may* just be able to replace the
 MODULE_LICENSE() to instead be generated automatically through inference of
 the respective module SPDX tags.
 
 [0] https://lkml.kernel.org/r/20221209062919.1096779-1-mcgrof@kernel.org
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Merge tag 'modules-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull modules updates from Luis Chamberlain:
 "Nothing exciting at all for modules for v6.3.

  The biggest change is just the change of INSTALL_MOD_DIR from "extra"
  to "updates" which I found lingered for ages for no good reason while
  testing the CXL mock driver [0].

  The CXL mock driver has no kconfig integration and requires building
  an external module... and re-building the *rest* of the production
  drivers. This mock driver when loaded but not the production ones will
  crash.

  All this can obviously be fixed by integrating kconfig semantics into
  such test module, however that's not desirable by the maintainer, and
  so sensible defaults must be used to ensure a default "make
  modules_install" will suffice for most distros which do not have a
  file like /etc/depmod.d/dist.conf with something like `search updates
  extra built-in`.

  Since most distros rely on kmod and since its inception the "updates"
  directory is always in the search path it makes more sense to use that
  than the "extra" which only *some* RH based systems rely on.

  All this stuff has been on linux-next for a while"

[0] https://lkml.kernel.org/r/20221209062919.1096779-1-mcgrof@kernel.org

* tag 'modules-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  Documentation: livepatch: module-elf-format: Remove local klp_modinfo definition
  module.h: Document klp_modinfo struct using kdoc
  module: Use kstrtobool() instead of strtobool()
  kernel/params.c: Use kstrtobool() instead of strtobool()
  test_kmod: stop kernel-doc warnings
  kbuild: Modify default INSTALL_MOD_DIR from extra to updates
2023-02-23 14:05:08 -08:00
Linus Torvalds d876315445 printk changes for 6.3
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Merge tag 'printk-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Refactor printk code for formatting messages that are shown on
   consoles. This is a preparatory step for introducing atomic consoles
   which could not share the global buffers

 - Prevent memory leak when removing printk index in debugfs

 - Dump also the newest printk message by the sample gdbmacro

 - Fix a compiler warning

* tag 'printk-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printf: fix errname.c list
  kernel/printk/index.c: fix memory leak with using debugfs_lookup()
  printk: Use scnprintf() to print the message about the dropped messages on a console
  printk: adjust string limit macros
  printk: use printk_buffers for devkmsg
  printk: introduce console_prepend_dropped() for dropped messages
  printk: introduce printk_get_next_message() and printk_message
  printk: introduce struct printk_buffers
  console: Document struct console
  console: Use BIT() macros for @flags values
  printk: move size limit macros into internal.h
  docs: gdbmacros: print newest record
2023-02-23 13:49:45 -08:00
Linus Torvalds 2b79eb73e2 probes updates for 6.3:
- Skip negative return code check for snprintf in eprobe.
 
 - Add recursive call test cases for kprobe unit test
 
 - Add 'char' type to probe events to show it as the character instead of value.
 
 - Update kselftest kprobe-event testcase to ignore '__pfx_' symbols.
 
 - Fix kselftest to check filter on eprobe event correctly.
 
 - Add filter on eprobe to the README file in tracefs.
 
 - Fix optprobes to check whether there is 'under unoptimizing' optprobe when optimizing another kprobe correctly.
 
 - Fix optprobe to check whether there is 'under unoptimizing' optprobe when fetching the original instruction correctly.
 
 - Fix optprobe to free 'forcibly unoptimized' optprobe correctly.
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Merge tag 'probes-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull kprobes updates from Masami Hiramatsu:

 - Skip negative return code check for snprintf in eprobe

 - Add recursive call test cases for kprobe unit test

 - Add 'char' type to probe events to show it as the character instead
   of value

 - Update kselftest kprobe-event testcase to ignore '__pfx_' symbols

 - Fix kselftest to check filter on eprobe event correctly

 - Add filter on eprobe to the README file in tracefs

 - Fix optprobes to check whether there is 'under unoptimizing' optprobe
   when optimizing another kprobe correctly

 - Fix optprobe to check whether there is 'under unoptimizing' optprobe
   when fetching the original instruction correctly

 - Fix optprobe to free 'forcibly unoptimized' optprobe correctly

* tag 'probes-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/eprobe: no need to check for negative ret value for snprintf
  test_kprobes: Add recursed kprobe test case
  tracing/probe: add a char type to show the character value of traced arguments
  selftests/ftrace: Fix probepoint testcase to ignore __pfx_* symbols
  selftests/ftrace: Fix eprobe syntax test case to check filter support
  tracing/eprobe: Fix to add filter on eprobe description in README file
  x86/kprobes: Fix arch_check_optimized_kprobe check within optimized_kprobe range
  x86/kprobes: Fix __recover_optprobed_insn check optimizing logic
  kprobes: Fix to handle forcibly unoptimized kprobes on freeing_list
2023-02-23 13:03:08 -08:00
Melody Olvera 6ccbe33a39 dt-bindings: mailbox: qcom-ipcc: Add compatible for QDU1000/QRU1000
Document the compatible for the QDU1000 mailbox.

Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:13 -06:00
Kathiravan T df4c17aa3e dt-bindings: mailbox: qcom: add compatible for the IPQ5332 SoC
Add the mailbox compatible for the IPQ5332 SoC.

Since the IPQ5332 mailbox is compatible with the IPQ6018, lets create the
fallback to ipq6018 compatible, so that we don't bloat the of_device_id
table in the driver.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:13 -06:00
Krzysztof Kozlowski b114f13591 dt-bindings: remoteproc: qcom,glink-rpm-edge: convert to DT schema
Convert Qualcomm G-Link RPM edge binding to DT schema.  Move it to
remoteproc as it better suits the purpose - communication channel with
remote processor.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Dmitry Baryshkov 9e9a6a8eee dt-bindings: mailbox: qcom: add #clock-cells to msm8996 example
Add the #clock-cells property to the MSM8996 example, as the APCS block
is going to provide the `sys_apcs_aux' clock to the consumers.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Dmitry Baryshkov 8b5c7a06d0 dt-bindings: mailbox: qcom: add missing platforms to conditional clauses
Add missing platforms to the conditional clauses selecting whether the
clocks/clock-names properties are required or whether they must be
omitted.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Dmitry Baryshkov 98c2de9e79 dt-bindings: mailbox: qcom: correct the list of platforms using clocks
The schema incorrectly lists some of the platforms in the statement
requiring clocks/clock-names. Correct this by moving platforms not
requiring additional clocks to the separate clause.

Fixes: 0d17014e91 ("dt-bindings: mailbox: Add binding for SDX55 APCS")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Dmitry Baryshkov 9d8b7e64ac dt-bindings: mailbox: qcom: enable syscon compatible for msm8976
On msm8976 platform APCS also uses syscon compatible, so move it to the
block of compatibles using SoC-compat together with syscon.

Fixes: 6054546618 ("dt-bindings: mailbox: qcom,apcs-kpss-global: Add syscon const for relevant entries")
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Dmitry Baryshkov dff1082bf5 dt-bindings: mailbox: qcom: add SDX55 compatible
The commit 0d17014e91 ("dt-bindings: mailbox: Add binding for SDX55
APCS") added SDX55 compatible string to one of clock-selection
conditions, but failed to add one to the main schema's compatible list.
Fix this omission.

Fixes: 0d17014e91 ("dt-bindings: mailbox: Add binding for SDX55 APCS")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Bartosz Golaszewski c31508c566 dt-bindings: mailbox: qcom-ipcc: document the sa8775p platform
Add a compatible for the ipcc on sa8775p platforms.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Alain Volmat 3a87af1c7d dt-bindings: mailbox: sti-mailbox: convert to DT schema
Convert the sti-mailbox.txt file into st,sti-mailbox.yaml

Signed-off-by: Alain Volmat <avolmat@me.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2023-02-23 14:47:12 -06:00
Thorsten Leemhuis 901578a459 docs: recommend using Link: whenever using Reported-by:
Encourage developers to place Link: tag pointing to the report when they
are using Reported-by: tags. Those links are often extremely useful for
any code archaeologist that wants to know more about the backstory of a
change than the commit message provides. That includes maintainers
higher up in the patch-flow hierarchy, which is why Linus asks
developers to add such links [1, 2, 3]. To quote [1]:

> Again, the commit has a link to the patch *submission*, which is
> almost entirely useless. There's no link to the actual problem the
> patch fixes.
>
> [...]
>
> Put another way: I can see that
>
> Reported-by: Zhangfei Gao <zhangfei.gao@foxmail.com>
>
> in the commit, but I don't have a clue what the actual report was, and
> there really isn't enough information in the commit itself, except for
> a fairly handwavy "Device drivers might, for instance, still need to
> flush operations.."
>
> I don't want to know what device drivers _might_ do. I would want to
> have an actual pointer to what they do and where.

Another reason why these links are wanted: the ongoing regression
tracking efforts can only scale with them, as they allow the regression
tracking bot 'regzbot' to automatically connect tracked reports with
patches that are posted or committed to fix tracked regressions.

Link: https://lore.kernel.org/all/CAHk-=wjMmSZzMJ3Xnskdg4+GGz=5p5p+GSYyFBTh0f-DgvdBWg@mail.gmail.com/ [1]
Link: https://lore.kernel.org/all/CAHk-=wgs38ZrfPvy=nOwVkVzjpM3VFU1zobP37Fwd_h9iAD5JQ@mail.gmail.com/ [2]
Link: https://lore.kernel.org/all/CAHk-=wjxzafG-=J8oT30s7upn4RhBs6TX-uVFZ5rME+L5_DoJA@mail.gmail.com/ [3]
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Link: https://lore.kernel.org/r/9a07ec640d809723492f8ade4f54705914e80419.1676369564.git.linux@leemhuis.info
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-02-23 12:47:46 -07:00
Randy Dunlap b8885e2615 Documentation: front page: use recommended heading adornments
Convert the Documentation front page to use the heading adornments
that are documented in doc-guide/sphinx.rst for document title and
chapters. I.e., convert most section headings to chapters.

This leaves "Indices and tables" as a chapter entry at the same level
as the other chapters.

The only visual difference from before to after is that the "Indices
and tables" heading is smaller and has more vertical whitespace
preceding it (although that may depend on the web browser being used).

Fixes: 0c7b4366f1 ("docs: Rewrite the front page")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/20230215005726.27320-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-02-23 12:44:51 -07:00
Carlos Bilbao 1481df6cbd docs/sp_SP: Add process programming-language translation
Translate Documentation/process/programming-language.rst into Spanish.

Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com>
Link: https://lore.kernel.org/r/20230207220844.2661295-1-carlos.bilbao@amd.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-02-23 12:40:08 -07:00