Add a description of the "ignore" pseudo mount option that can be used
to provide a generic indicator to applications that the mount entry
should be ignored when displaying mount information.
Link: http://lkml.kernel.org/r/155287084617.12593.812733161112154904.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Describe AUTOFS_EXP_FORCED in addition to AUTOFS_EXP_IMMEDIATE in the
description of the AUTOFS_DEV_IOCTL_EXPIRE_CMD ioctl.
Link: http://lkml.kernel.org/r/155287084078.12593.15000931045413195778.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Update the description of AUTOFS_EXP_LEAVES to cover its possible future
use with amd format mount maps.
Link: http://lkml.kernel.org/r/155287083538.12593.18163159677020718048.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A "strictexpire" mount option has been added to the autofs file system.
It is meant to be used in cases where a GUI continually accesses or an
application frquently scans an automount directory tree causing an
accumulation of otherwise unused mounts.
Link: http://lkml.kernel.org/r/155287083000.12593.2722713092537666885.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Alter a few word usages in Documentation/filesystems/autofs.txt and
correct some spelling mistakes.
Link: http://lkml.kernel.org/r/155287082394.12593.6506084453911662450.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
For better maintenance and expansion move the mathematic helpers to the
separate folder.
No functional change intended.
Note, the int_sqrt() is not used as a part of lib, so, moved to regular
obj.
Link: http://lkml.kernel.org/r/20190323172531.80025-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Ray Jui <rjui@broadcom.com>
[mchehab+samsung@kernel.org: fix broken doc references for div64.c and gcd.c]
Link: http://lkml.kernel.org/r/734f49bae5d4052b3c25691dfefad59bea2e5843.1555580999.git.mchehab+samsung@kernel.org
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: Randomize free memory", v10.
This patch (of 3):
Randomization of the page allocator improves the average utilization of
a direct-mapped memory-side-cache. Memory side caching is a platform
capability that Linux has been previously exposed to in HPC
(high-performance computing) environments on specialty platforms. In
that instance it was a smaller pool of high-bandwidth-memory relative to
higher-capacity / lower-bandwidth DRAM. Now, this capability is going
to be found on general purpose server platforms where DRAM is a cache in
front of higher latency persistent memory [1].
Robert offered an explanation of the state of the art of Linux
interactions with memory-side-caches [2], and I copy it here:
It's been a problem in the HPC space:
http://www.nersc.gov/research-and-development/knl-cache-mode-performance-coe/
A kernel module called zonesort is available to try to help:
https://software.intel.com/en-us/articles/xeon-phi-software
and this abandoned patch series proposed that for the kernel:
https://lkml.kernel.org/r/20170823100205.17311-1-lukasz.daniluk@intel.com
Dan's patch series doesn't attempt to ensure buffers won't conflict, but
also reduces the chance that the buffers will. This will make performance
more consistent, albeit slower than "optimal" (which is near impossible
to attain in a general-purpose kernel). That's better than forcing
users to deploy remedies like:
"To eliminate this gradual degradation, we have added a Stream
measurement to the Node Health Check that follows each job;
nodes are rebooted whenever their measured memory bandwidth
falls below 300 GB/s."
A replacement for zonesort was merged upstream in commit cc9aec03e5
("x86/numa_emulation: Introduce uniform split capability"). With this
numa_emulation capability, memory can be split into cache sized
("near-memory" sized) numa nodes. A bind operation to such a node, and
disabling workloads on other nodes, enables full cache performance.
However, once the workload exceeds the cache size then cache conflicts
are unavoidable. While HPC environments might be able to tolerate
time-scheduling of cache sized workloads, for general purpose server
platforms, the oversubscribed cache case will be the common case.
The worst case scenario is that a server system owner benchmarks a
workload at boot with an un-contended cache only to see that performance
degrade over time, even below the average cache performance due to
excessive conflicts. Randomization clips the peaks and fills in the
valleys of cache utilization to yield steady average performance.
Here are some performance impact details of the patches:
1/ An Intel internal synthetic memory bandwidth measurement tool, saw a
3X speedup in a contrived case that tries to force cache conflicts.
The contrived cased used the numa_emulation capability to force an
instance of the benchmark to be run in two of the near-memory sized
numa nodes. If both instances were placed on the same emulated they
would fit and cause zero conflicts. While on separate emulated nodes
without randomization they underutilized the cache and conflicted
unnecessarily due to the in-order allocation per node.
2/ A well known Java server application benchmark was run with a heap
size that exceeded cache size by 3X. The cache conflict rate was 8%
for the first run and degraded to 21% after page allocator aging. With
randomization enabled the rate levelled out at 11%.
3/ A MongoDB workload did not observe measurable difference in
cache-conflict rates, but the overall throughput dropped by 7% with
randomization in one case.
4/ Mel Gorman ran his suite of performance workloads with randomization
enabled on platforms without a memory-side-cache and saw a mix of some
improvements and some losses [3].
While there is potentially significant improvement for applications that
depend on low latency access across a wide working-set, the performance
may be negligible to negative for other workloads. For this reason the
shuffle capability defaults to off unless a direct-mapped
memory-side-cache is detected. Even then, the page_alloc.shuffle=0
parameter can be specified to disable the randomization on those systems.
Outside of memory-side-cache utilization concerns there is potentially
security benefit from randomization. Some data exfiltration and
return-oriented-programming attacks rely on the ability to infer the
location of sensitive data objects. The kernel page allocator, especially
early in system boot, has predictable first-in-first out behavior for
physical pages. Pages are freed in physical address order when first
onlined.
Quoting Kees:
"While we already have a base-address randomization
(CONFIG_RANDOMIZE_MEMORY), attacks against the same hardware and
memory layouts would certainly be using the predictability of
allocation ordering (i.e. for attacks where the base address isn't
important: only the relative positions between allocated memory).
This is common in lots of heap-style attacks. They try to gain
control over ordering by spraying allocations, etc.
I'd really like to see this because it gives us something similar
to CONFIG_SLAB_FREELIST_RANDOM but for the page allocator."
While SLAB_FREELIST_RANDOM reduces the predictability of some local slab
caches it leaves vast bulk of memory to be predictably in order allocated.
However, it should be noted, the concrete security benefits are hard to
quantify, and no known CVE is mitigated by this randomization.
Introduce shuffle_free_memory(), and its helper shuffle_zone(), to perform
a Fisher-Yates shuffle of the page allocator 'free_area' lists when they
are initially populated with free memory at boot and at hotplug time. Do
this based on either the presence of a page_alloc.shuffle=Y command line
parameter, or autodetection of a memory-side-cache (to be added in a
follow-on patch).
The shuffling is done in terms of CONFIG_SHUFFLE_PAGE_ORDER sized free
pages where the default CONFIG_SHUFFLE_PAGE_ORDER is MAX_ORDER-1 i.e. 10,
4MB this trades off randomization granularity for time spent shuffling.
MAX_ORDER-1 was chosen to be minimally invasive to the page allocator
while still showing memory-side cache behavior improvements, and the
expectation that the security implications of finer granularity
randomization is mitigated by CONFIG_SLAB_FREELIST_RANDOM. The
performance impact of the shuffling appears to be in the noise compared to
other memory initialization work.
This initial randomization can be undone over time so a follow-on patch is
introduced to inject entropy on page free decisions. It is reasonable to
ask if the page free entropy is sufficient, but it is not enough due to
the in-order initial freeing of pages. At the start of that process
putting page1 in front or behind page0 still keeps them close together,
page2 is still near page1 and has a high chance of being adjacent. As
more pages are added ordering diversity improves, but there is still high
page locality for the low address pages and this leads to no significant
impact to the cache conflict rate.
[1]: https://itpeernetwork.intel.com/intel-optane-dc-persistent-memory-operating-modes/
[2]: https://lkml.kernel.org/r/AT5PR8401MB1169D656C8B5E121752FC0F8AB120@AT5PR8401MB1169.NAMPRD84.PROD.OUTLOOK.COM
[3]: https://lkml.org/lkml/2018/10/12/309
[dan.j.williams@intel.com: fix shuffle enable]
Link: http://lkml.kernel.org/r/154943713038.3858443.4125180191382062871.stgit@dwillia2-desk3.amr.corp.intel.com
[cai@lca.pw: fix SHUFFLE_PAGE_ALLOCATOR help texts]
Link: http://lkml.kernel.org/r/20190425201300.75650-1-cai@lca.pw
Link: http://lkml.kernel.org/r/154899811738.3165233.12325692939590944259.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Qian Cai <cai@lca.pw>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Robert Elliott <elliott@hpe.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Psi monitor aims to provide a low-latency short-term pressure detection
mechanism configurable by users. It allows users to monitor psi metrics
growth and trigger events whenever a metric raises above user-defined
threshold within user-defined time window.
Time window and threshold are both expressed in usecs. Multiple psi
resources with different thresholds and window sizes can be monitored
concurrently.
Psi monitors activate when system enters stall state for the monitored
psi metric and deactivate upon exit from the stall state. While system
is in the stall state psi signal growth is monitored at a rate of 10
times per tracking window. Min window size is 500ms, therefore the min
monitoring interval is 50ms. Max window size is 10s with monitoring
interval of 1s.
When activated psi monitor stays active for at least the duration of one
tracking window to avoid repeated activations/deactivations when psi
signal is bouncing.
Notifications to the users are rate-limited to one per tracking window.
Link: http://lkml.kernel.org/r/20190319235619.260832-8-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Document (kerneldoc) core mfd_add_devices() API
- New Drivers
- Add support for Altera SOCFPGA System Manager
- Add support for Maxim MAX77650/77651 PMIC
- Add support for Maxim MAX77663 PMIC
- Add support for ST Multi-Function eXpander (STMFX)
- New Device Support
- Add support for LEDs to Intel Cherry Trail Whiskey Cove PMIC
- Add support for RTC to SAMSUNG Electronics S2MPA01 PMIC
- Add support for SAM9X60 to Atmel HLCDC (High-end LCD Controller)
- Add support for USB X-Powers AXP 8xx PMICs
- Add support for Integrated Sensor Hub (ISH) to ChromeOS EC
- Add support for USB PD Logger to ChromeOS EC
- Add support for AXP223 to X-Powers AXP series PMICs
- Add support for Power Supply to X-Powers AXP 803 PMICs
- Add support for Comet Lake to Intel Low Power Subsystem
- Add support for Fingerprint MCU to ChromeOS EC
- Add support for Touchpad MCU to ChromeOS EC
- Move TI LM3532 support to LED
- New Functionality
- Add/extend DT support; max77650, max77620
- Add support for power-off; max77620
- Add support for clocking; syscon
- Add support for host sleep event; cros_ec
- Fix-ups
- Trivial; Formatting, spelling, etc; Kconfig, sec-core, ab8500-debugfs
- Remove unused functionality; rk808, da9063-*
- SPDX conversion; da9063-*, atmel-*,
- Adapt/add new register definitions; cs47l35-tables, cs47l90-tables, imx6q-iomuxc-gpr
- Fix-up DT bindings; ti-lmu, cirrus,lochnagar
- Simply obtaining driver data; ssbi, t7l66xb, tc6387xb, tc6393xb
- Bug Fixes
- Fix incorrect defined values; max77620, da9063
- Fix device initialisation; twl6040
- Reset device on init; intel-lpss
- Fix build warnings when !OF; sun6i-prcm
- Register OF match tables; tps65912-spi
- Fix DMI matching; intel_quark_i2c_gpio
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Merge tag 'mfd-next-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Framework:
- Document (kerneldoc) core mfd_add_devices() API
New Drivers:
- Altera SOCFPGA System Manager
- Maxim MAX77650/77651 PMIC
- Maxim MAX77663 PMIC
- ST Multi-Function eXpander (STMFX)
New Device Support:
- LEDs support in Intel Cherry Trail Whiskey Cove PMIC
- RTC support in SAMSUNG Electronics S2MPA01 PMIC
- SAM9X60 support in Atmel HLCDC (High-end LCD Controller)
- USB X-Powers AXP 8xx PMICs
- Integrated Sensor Hub (ISH) in ChromeOS EC
- USB PD Logger in ChromeOS EC
- AXP223 in X-Powers AXP series PMICs
- Power Supply in X-Powers AXP 803 PMICs
- Comet Lake in Intel Low Power Subsystem
- Fingerprint MCU in ChromeOS EC
- Touchpad MCU in ChromeOS EC
- Move TI LM3532 support to LED
New Functionality:
- max77650, max77620: Add/extend DT support
- max77620 power-off
- syscon clocking
- croc_ec host sleep event
Fix-ups:
- Trivial; Formatting, spelling, etc; Kconfig, sec-core, ab8500-debugfs
- Remove unused functionality; rk808, da9063-*
- SPDX conversion; da9063-*, atmel-*,
- Adapt/add new register definitions; cs47l35-tables, cs47l90-tables, imx6q-iomuxc-gpr
- Fix-up DT bindings; ti-lmu, cirrus,lochnagar
- Simply obtaining driver data; ssbi, t7l66xb, tc6387xb, tc6393xb
Bug Fixes:
- Fix incorrect defined values; max77620, da9063
- Fix device initialisation; twl6040
- Reset device on init; intel-lpss
- Fix build warnings when !OF; sun6i-prcm
- Register OF match tables; tps65912-spi
- Fix DMI matching; intel_quark_i2c_gpio"
* tag 'mfd-next-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (65 commits)
mfd: Use dev_get_drvdata() directly
mfd: cros_ec: Instantiate properly CrOS Touchpad MCU device
mfd: cros_ec: Instantiate properly CrOS FP MCU device
mfd: cros_ec: Update the EC feature codes
mfd: intel-lpss: Add Intel Comet Lake PCI IDs
mfd: lochnagar: Add links to binding docs for sound and hwmon
mfd: ab8500-debugfs: Fix a typo ("deubgfs")
mfd: imx6sx: Add MQS register definition for iomuxc gpr
dt-bindings: mfd: LMU: Fix lm3632 dt binding example
mfd: intel_quark_i2c_gpio: Adjust IOT2000 matching
mfd: da9063: Fix OTP control register names to match datasheets for DA9063/63L
mfd: tps65912-spi: Add missing of table registration
mfd: axp20x: Add USB power supply mfd cell to AXP803
mfd: sun6i-prcm: Fix build warning for non-OF configurations
mfd: intel-lpss: Set the device in reset state when init
platform/chrome: Add support for v1 of host sleep event
mfd: cros_ec: Add host_sleep_event_v1 command
mfd: cros_ec: Instantiate the CrOS USB PD logger driver
mfd: cs47l90: Make DAC_AEC_CONTROL_2 readable
mfd: cs47l35: Make DAC_AEC_CONTROL_2 readable
...
Merge misc updates from Andrew Morton:
- a few misc things and hotfixes
- ocfs2
- almost all of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (139 commits)
kernel/memremap.c: remove the unused device_private_entry_fault() export
mm: delete find_get_entries_tag
mm/huge_memory.c: make __thp_get_unmapped_area static
mm/mprotect.c: fix compilation warning because of unused 'mm' variable
mm/page-writeback: introduce tracepoint for wait_on_page_writeback()
mm/vmscan: simplify trace_reclaim_flags and trace_shrink_flags
mm/Kconfig: update "Memory Model" help text
mm/vmscan.c: don't disable irq again when count pgrefill for memcg
mm: memblock: make keeping memblock memory opt-in rather than opt-out
hugetlbfs: always use address space in inode for resv_map pointer
mm/z3fold.c: support page migration
mm/z3fold.c: add structure for buddy handles
mm/z3fold.c: improve compression by extending search
mm/z3fold.c: introduce helper functions
mm/page_alloc.c: remove unnecessary parameter in rmqueue_pcplist
mm/hmm: add ARCH_HAS_HMM_MIRROR ARCH_HAS_HMM_DEVICE Kconfig
mm/vmscan.c: simplify shrink_inactive_list()
fs/sync.c: sync_file_range(2) may use WB_SYNC_ALL writeback
xen/privcmd-buf.c: convert to use vm_map_pages_zero()
xen/gntdev.c: convert to use vm_map_pages()
...
The HMM mirror API can be use in two fashions. The first one where the
HMM user coalesce multiple page faults into one request and set flags per
pfns for of those faults. The second one where the HMM user want to
pre-fault a range with specific flags. For the latter one it is a waste
to have the user pre-fill the pfn arrays with a default flags value.
This patch adds a default flags value allowing user to set them for a
range without having to pre-fill the pfn array.
Link: http://lkml.kernel.org/r/20190403193318.16478-8-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A common use case for HMM mirror is user trying to mirror a range and
before they could program the hardware it get invalidated by some core mm
event. Instead of having user re-try right away to mirror the range
provide a completion mechanism for them to wait for any active
invalidation affecting the range.
This also changes how hmm_range_snapshot() and hmm_range_fault() works by
not relying on vma so that we can drop the mmap_sem when waiting and
lookup the vma again on retry.
Link: http://lkml.kernel.org/r/20190403193318.16478-7-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Minor optimization around hmm_pte_need_fault(). Rename for consistency
between code, comments and documentation. Also improves the comments on
all the possible returns values. Improve the function by returning the
number of populated entries in pfns array.
Link: http://lkml.kernel.org/r/20190403193318.16478-6-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rename for consistency between code, comments and documentation. Also
improves the comments on all the possible returns values. Improve the
function by returning the number of populated entries in pfns array.
Link: http://lkml.kernel.org/r/20190403193318.16478-5-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: Generalize putback functions"]
putback_inactive_pages() and move_active_pages_to_lru() are almost
similar, so this patchset merges them ina single function.
This patch (of 4):
The patch moves the calculation from putback_inactive_pages() to
shrink_inactive_list(). This makes putback_inactive_pages() looking more
similar to move_active_pages_to_lru().
To do that, we account activated pages in reclaim_stat::nr_activate.
Since a page may change its LRU type from anon to file cache inside
shrink_page_list() (see ClearPageSwapBacked()), we have to account pages
for the both types. So, nr_activate becomes an array.
Previously we used nr_activate to account PGACTIVATE events, but now we
account them into pgactivate variable (since they are about number of
pages in general, not about sum of hpage_nr_pages).
Link: http://lkml.kernel.org/r/155290127956.31489.3393586616054413298.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Userfaultfd can be misued to make it easier to exploit existing
use-after-free (and similar) bugs that might otherwise only make a
short window or race condition available. By using userfaultfd to
stall a kernel thread, a malicious program can keep some state that it
wrote, stable for an extended period, which it can then access using an
existing exploit. While it doesn't cause the exploit itself, and while
it's not the only thing that can stall a kernel thread when accessing a
memory location, it's one of the few that never needs privilege.
We can add a flag, allowing userfaultfd to be restricted, so that in
general it won't be useable by arbitrary user programs, but in
environments that require userfaultfd it can be turned back on.
Add a global sysctl knob "vm.unprivileged_userfaultfd" to control
whether userfaultfd is allowed by unprivileged users. When this is
set to zero, only privileged users (root user, or users with the
CAP_SYS_PTRACE capability) will be able to use the userfaultfd
syscalls.
Andrea said:
: The only difference between the bpf sysctl and the userfaultfd sysctl
: this way is that the bpf sysctl adds the CAP_SYS_ADMIN capability
: requirement, while userfaultfd adds the CAP_SYS_PTRACE requirement,
: because the userfaultfd monitor is more likely to need CAP_SYS_PTRACE
: already if it's doing other kind of tracking on processes runtime, in
: addition of userfaultfd. In other words both syscalls works only for
: root, when the two sysctl are opt-in set to 1.
[dgilbert@redhat.com: changelog additions]
[akpm@linux-foundation.org: documentation tweak, per Mike]
Link: http://lkml.kernel.org/r/20190319030722.12441-2-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Suggested-by: Andrea Arcangeli <aarcange@redhat.com>
Suggested-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: Maya Gokhale <gokhale2@llnl.gov>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Martin Cracauer <cracauer@cons.org>
Cc: Denis Plotnikov <dplotnikov@virtuozzo.com>
Cc: Marty McFadden <mcfadden8@llnl.gov>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: "Kirill A . Shutemov" <kirill@shutemov.name>
Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull x86 MDS mitigations from Thomas Gleixner:
"Microarchitectural Data Sampling (MDS) is a hardware vulnerability
which allows unprivileged speculative access to data which is
available in various CPU internal buffers. This new set of misfeatures
has the following CVEs assigned:
CVE-2018-12126 MSBDS Microarchitectural Store Buffer Data Sampling
CVE-2018-12130 MFBDS Microarchitectural Fill Buffer Data Sampling
CVE-2018-12127 MLPDS Microarchitectural Load Port Data Sampling
CVE-2019-11091 MDSUM Microarchitectural Data Sampling Uncacheable Memory
MDS attacks target microarchitectural buffers which speculatively
forward data under certain conditions. Disclosure gadgets can expose
this data via cache side channels.
Contrary to other speculation based vulnerabilities the MDS
vulnerability does not allow the attacker to control the memory target
address. As a consequence the attacks are purely sampling based, but
as demonstrated with the TLBleed attack samples can be postprocessed
successfully.
The mitigation is to flush the microarchitectural buffers on return to
user space and before entering a VM. It's bolted on the VERW
instruction and requires a microcode update. As some of the attacks
exploit data structures shared between hyperthreads, full protection
requires to disable hyperthreading. The kernel does not do that by
default to avoid breaking unattended updates.
The mitigation set comes with documentation for administrators and a
deeper technical view"
* 'x86-mds-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/speculation/mds: Fix documentation typo
Documentation: Correct the possible MDS sysfs values
x86/mds: Add MDSUM variant to the MDS documentation
x86/speculation/mds: Add 'mitigations=' support for MDS
x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
x86/speculation/mds: Fix comment
x86/speculation/mds: Add SMT warning message
x86/speculation: Move arch_smt_update() call to after mitigation decisions
x86/speculation/mds: Add mds=full,nosmt cmdline option
Documentation: Add MDS vulnerability documentation
Documentation: Move L1TF to separate directory
x86/speculation/mds: Add mitigation mode VMWERV
x86/speculation/mds: Add sysfs reporting for MDS
x86/speculation/mds: Add mitigation control for MDS
x86/speculation/mds: Conditionally clear CPU buffers on idle entry
x86/kvm/vmx: Add MDS protection when L1D Flush is not active
x86/speculation/mds: Clear CPU buffers on exit to user
x86/speculation/mds: Add mds_clear_cpu_buffers()
x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
x86/speculation/mds: Add BUG_MSBDS_ONLY
...
Add a new compatible for thermal founding on PX30 SoCs.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
qcs404 uses v1 of the TSENS IP block. Create a fallback DT property
"qcom,tsens-v1" to gather common code
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
'VAL' should be protected by the brackets.
v2:
* Squash the fix for Documentation/bpf/btf.rst
Fixes: 69b693f0ae ("bpf: btf: Introduce BPF Type Format (BTF)")
Signed-off-by: Gary Lin <glin@suse.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Add new backlight bindings for the TI LM3630A dual-string white LED.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Lochnagar is an evaluation and development board for Cirrus
Logic Smart CODEC and Amp devices. It allows the connection of
most Cirrus Logic devices on mini-cards, as well as allowing
connection of various application processor systems to provide a
full evaluation platform. This driver supports the board
controller chip on the Lochnagar board.
Add links to the binding documents for the new sound and hardware
monitor parts of the driver.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fix the lm3632 dt binding examples as the LCM enable GPIOs
are defined as enable GPIOs per the regulator/lm363x-regulator.txt
bindings document.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add new compatible string for the HLCD controller on SAM9X60 SoC.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
STM32 system configuration controller registers needs to be clocked.
Document clock support on stm32-syscon.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Merge branches 'ib-mfd-arm-leds-5.2', 'ib-mfd-gpio-input-leds-power-5.2', 'ib-mfd-pinctrl-5.2-2' and 'ib-mfd-regulator-5.2', tag 'ib-mfd-arm-net-5.2' into ibs-for-mfd-merged
Immutable branch between MFD, ARM and Net due for the 5.2 merge window
Add OC HW throttle configuration for soctherm in DT.
It is used to describe the OCx throttle events.
Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Add optional property "nvidia,thermtrips".
If present, these trips will be used as HW shutdown trips,
and critical trips will be used as SW shutdown trips.
Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
- Move IRQ register address computation inside macros (Kishon Vijay
Abraham I)
- Separate legacy IRQ and MSI configuration (Kishon Vijay Abraham I)
- Use hwirq, not virq, to get MSI IRQ number offset (Kishon Vijay Abraham
I)
- Squash ks_pcie_handle_msi_irq() into ks_pcie_msi_irq_handler() (Kishon
Vijay Abraham I)
- Add dwc support for platforms with custom MSI controllers (Kishon Vijay
Abraham I)
- Add keystone-specific MSI controller (Kishon Vijay Abraham I)
- Remove dwc host_ops previously used for keystone-specific MSI (Kishon
Vijay Abraham I)
- Skip dwc default MSI init if platform has custom MSI controller (Kishon
Vijay Abraham I)
- Implement .start_link() and .stop_link() for keystone endpoint support
(Kishon Vijay Abraham I)
- Add keystone "reg-names" DT binding (Kishon Vijay Abraham I)
- Squash ks_pcie_dw_host_init() into ks_pcie_add_pcie_port() (Kishon
Vijay Abraham I)
- Get keystone register resources from DT by name, not index (Kishon
Vijay Abraham I)
- Get DT resources in .probe() to prepare for endpoint support (Kishon
Vijay Abraham I)
- Add "ti,syscon-pcie-mode" DT property for PCIe mode configuration
(Kishon Vijay Abraham I)
- Explicitly set keystone to host mode (Kishon Vijay Abraham I)
- Document DT "atu" reg-names requirement for DesignWare core >= 4.80
(Kishon Vijay Abraham I)
- Enable dwc iATU unroll for endpoint mode as well as host mode (Kishon
Vijay Abraham I)
- Add dwc "version" to identify core >= 4.80 for ATU programming (Kishon
Vijay Abraham I)
- Don't build ARM32-specific keystone code on ARM64 (Kishon Vijay Abraham
I)
- Add DT binding for keystone PCIe RC in AM654 SoC (Kishon Vijay Abraham
I)
- Add keystone support for AM654 SoC PCIe RC (Kishon Vijay Abraham I)
- Reset keystone PHYs before enabling them (Kishon Vijay Abraham I)
- Make of_pci_get_max_link_speed() available to endpoint drivers as well
as host drivers (Kishon Vijay Abraham I)
- Add keystone support for DT "max-link-speed" property (Kishon Vijay
Abraham I)
- Add endpoint library support for BAR buffer alignment (Kishon Vijay
Abraham I)
- Make all dw_pcie_ep_ops structs const (Kishon Vijay Abraham I)
- Fix fencepost error in dw_pcie_ep_find_capability() (Kishon Vijay
Abraham I)
- Add dwc hooks for dbi/dbi2 that share the same address space (Kishon
Vijay Abraham I)
- Add keystone support for TI AM654x in endpoint mode (Kishon Vijay
Abraham I)
- Configure designware endpoints to advertise smallest resizable BAR
(1MB) (Kishon Vijay Abraham I)
- Align designware endpoint ATU windows for raising MSIs (Kishon Vijay
Abraham I)
- Add endpoint test support for TI AM654x (Kishon Vijay Abraham I)
- Fix endpoint test test_reg_bar issue (Kishon Vijay Abraham I)
* remotes/lorenzo/pci/keystone:
misc: pci_endpoint_test: Fix test_reg_bar to be updated in pci_endpoint_test
misc: pci_endpoint_test: Add support to test PCI EP in AM654x
PCI: designware-ep: Use aligned ATU window for raising MSI interrupts
PCI: designware-ep: Configure Resizable BAR cap to advertise the smallest size
PCI: keystone: Add support for PCIe EP in AM654x Platforms
dt-bindings: PCI: Add PCI EP DT binding documentation for AM654
PCI: dwc: Add callbacks for accessing dbi2 address space
PCI: dwc: Fix dw_pcie_ep_find_capability() to return correct capability offset
PCI: dwc: Add const qualifier to struct dw_pcie_ep_ops
PCI: endpoint: Add support to specify alignment for buffers allocated to BARs
PCI: keystone: Add support to set the max link speed from DT
PCI: OF: Allow of_pci_get_max_link_speed() to be used by PCI Endpoint drivers
PCI: keystone: Invoke phy_reset() API before enabling PHY
PCI: keystone: Add support for PCIe RC in AM654x Platforms
dt-bindings: PCI: Add PCI RC DT binding documentation for AM654
PCI: keystone: Prevent ARM32 specific code to be compiled for ARM64
PCI: dwc: Fix ATU identification for designware version >= 4.80
PCI: dwc: Enable iATU unroll for endpoint too
dt-bindings: PCI: Document "atu" reg-names
PCI: keystone: Explicitly set the PCIe mode
dt-bindings: PCI: Add dt-binding to configure PCIe mode
PCI: keystone: Move resources initialization to prepare for EP support
PCI: keystone: Use platform_get_resource_byname() to get memory resources
PCI: keystone: Perform host initialization in a single function
dt-bindings: PCI: keystone: Add "reg-names" binding information
PCI: keystone: Cleanup error_irq configuration
PCI: keystone: Add start_link()/stop_link() dw_pcie_ops
PCI: dwc: Remove default MSI initialization for platform specific MSI chips
PCI: dwc: Remove Keystone specific dw_pcie_host_ops
PCI: keystone: Use Keystone specific msi_irq_chip
PCI: dwc: Add support to use non default msi_irq_chip
PCI: keystone: Cleanup ks_pcie_msi_irq_handler()
PCI: keystone: Use hwirq to get the MSI IRQ number offset
PCI: keystone: Add separate functions for configuring MSI and legacy interrupt
PCI: keystone: Cleanup interrupt related macros
# Conflicts:
# drivers/pci/controller/dwc/pcie-designware.h
Pull input updates from Dmitry Torokhov:
"A few new drivers:
- driver for Azoteq IQS550/572/525 touch controllers
- driver for Microchip AT42QT1050 keys
- driver for GPIO controllable vibrators
- support for GT5663 in Goodix driver
... along with miscellaneous driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: libps2 - mark expected switch fall-through
Input: qt1050 - add Microchip AT42QT1050 support
Input: add support for Azoteq IQS550/572/525
Input: add a driver for GPIO controllable vibrators
Input: synaptics-rmi4 - fix enum_fmt
Input: synaptics-rmi4 - fill initial format
HID: input: add mapping for KEY_KBD_LAYOUT_NEXT
Input: add KEY_KBD_LAYOUT_NEXT
Input: hyperv-keyboard - add module description
Input: olpc_apsp - depend on ARCH_MMP
Input: sun4i-a10-lradc-keys - add support for A83T
Input: snvs_pwrkey - use dev_pm_set_wake_irq() to simplify code
Input: lpc32xx-key - add clocks property and fix DT binding example
Input: i8042 - signal wakeup from atkbd/psmouse
Input: goodix - add GT5663 CTP support
Input: goodix - add regulators suppot
Input: evdev - use struct_size() in kzalloc() and vzalloc()
Input: edt-ft5x06 - convert to use SPDX identifier
Input: edt-ft5x06 - enable ACPI enumeration
Pull networking fixes from David Miller:
"Fixes all over:
1) Netdev refcnt leak in nf_flow_table, from Taehee Yoo.
2) Fix RCU usage in nf_tables, from Florian Westphal.
3) Fix DSA build when NET_DSA_TAG_BRCM_PREPEND is not set, from Yue
Haibing.
4) Add missing page read/write ops to realtek driver, from Heiner
Kallweit.
5) Endianness fix in qrtr code, from Nicholas Mc Guire.
6) Fix various bugs in DSA_SKB_* macros, from Vladimir Oltean.
7) Several BPF documentation cures, from Quentin Monnet.
8) Fix undefined behavior in narrow load handling of BPF verifier,
from Krzesimir Nowak.
9) DMA ops crash in SGI Seeq driver due to not set netdev parent
device pointer, from Thomas Bogendoerfer.
10) Flow dissector has to disable preemption when invoking BPF
program, from Eric Dumazet"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (48 commits)
net: ethernet: stmmac: dwmac-sun8i: enable support of unicast filtering
net: ethernet: ti: netcp_ethss: fix build
flow_dissector: disable preemption around BPF calls
bonding: fix arp_validate toggling in active-backup mode
net: meson: fixup g12a glue ephy id
net: phy: realtek: Replace phy functions with non-locked version in rtl8211e_config_init()
net: seeq: fix crash caused by not set dev.parent
of_net: Fix missing of_find_device_by_node ref count drop
net: mvpp2: cls: Add missing NETIF_F_NTUPLE flag
bpf: fix undefined behavior in narrow load handling
libbpf: detect supported kernel BTF features and sanitize BTF
selftests: bpf: Add files generated after build to .gitignore
tools: bpf: synchronise BPF UAPI header with tools
bpf: fix minor issues in documentation for BPF helpers.
bpf: fix recurring typo in documentation for BPF helpers
bpf: fix script for generating man page on BPF helpers
bpf: add various test cases for backward jumps
net: dccp : proto: remove Unneeded variable "err"
net: dsa: Remove the now unused DSA_SKB_CB_COPY() macro
net: dsa: Remove dangerous DSA_SKB_CLONE() macro
...
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Merge tag 'linux-watchdog-5.2-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- a new watchdog driver for the ROHM BD70528 watchdog block
- a new watchdog driver for the i.MX system controller watchdog
- conversions to use device managed functions and other improvements
- refactor watchdog_init_timeout
- make watchdog core configurable as module
- pretimeout governors improvements
- a lot of other fixes
* tag 'linux-watchdog-5.2-rc1' of git://www.linux-watchdog.org/linux-watchdog: (114 commits)
watchdog: Enforce that at least one pretimeout governor is enabled
watchdog: stm32: add dynamic prescaler support
watchdog: Improve Kconfig entry ordering and dependencies
watchdog: npcm: Enable modular builds
watchdog: Make watchdog core configurable as module
watchdog: Move pretimeout governor configuration up
watchdog: Use depends instead of select for pretimeout governors
watchdog: rtd119x: drop unused module.h include
watchdog: intel_scu: make it explicitly non-modular
watchdog: coh901327: make it explicitly non-modular
watchdog: ziirave_wdt: drop warning after calling watchdog_init_timeout
watchdog: xen_wdt: drop warning after calling watchdog_init_timeout
watchdog: stm32_iwdg: drop warning after calling watchdog_init_timeout
watchdog: st_lpc_wdt: drop warning after calling watchdog_init_timeout
watchdog: sp5100_tco: drop warning after calling watchdog_init_timeout
watchdog: renesas_wdt: drop warning after calling watchdog_init_timeout
watchdog: nic7018_wdt: drop warning after calling watchdog_init_timeout
watchdog: ni903x_wdt: drop warning after calling watchdog_init_timeout
watchdog: imx_sc_wdt: drop warning after calling watchdog_init_timeout
watchdog: i6300esb: drop warning after calling watchdog_init_timeout
...
In ACPI it is possible to make references to device objects only,
not to other objects inside a device.
In practice this means that hierarchical data extension targets
must be in parentheses to make them strings, or an ACPICA warning
will be produced.
Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Use tabs to indent the graph documentation, not spaces.
Fixes: f2dde1ed0f ("Documentation: ACPI: move dsd/graph.txt to firmware-guide/acpi and convert to reST")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from generic
functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
* Switch to ->exec-op().
- meson:
* Misc cleanups and fixes.
* New OOB layout.
- Sunxi:
* A23/A33 NAND DMA support.
- Ingenic:
* Full reorganization and cleanup.
* Clear separation between NAND controller and ECC engine.
* Support JZ4740 an JZ4725B.
- Denali:
* Clear controller/chip separation.
* ->exec_op() migration.
* Various cleanups.
- fsl_elbc:
* Enable software ECC support.
- Atmel:
* Sam9x60 support.
- GPMI:
* Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
* Avoid crossing 4K address boundary on read/write
* Add support for Intel Comet Lake SPI serial flash
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Merge tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from
generic functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
- Switch to ->exec-op().
- meson:
- Misc cleanups and fixes.
- New OOB layout.
- Sunxi:
- A23/A33 NAND DMA support.
- Ingenic:
- Full reorganization and cleanup.
- Clear separation between NAND controller and ECC engine.
- Support JZ4740 an JZ4725B.
- Denali:
- Clear controller/chip separation.
- ->exec_op() migration.
- Various cleanups.
- fsl_elbc:
- Enable software ECC support.
- Atmel:
- Sam9x60 support.
- GPMI:
- Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
- Avoid crossing 4K address boundary on read/write
- Add support for Intel Comet Lake SPI serial flash"
* tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (120 commits)
mtd: part: fix incorrect format specifier for an unsigned long long
mtd: lpddr_cmds: Mark expected switch fall-through
mtd: phram: Mark expected switch fall-throughs
mtd: cfi_cmdset_0002: Mark expected switch fall-throughs
mtd: cfi_util: mark expected switch fall-throughs
MAINTAINERS: MTD Git repository is hosted on kernel.org
MAINTAINERS: Update jffs2 entry
mtd: afs: add v2 partition parsing
mtd: afs: factor the IIS read into partition parser
mtd: afs: factor footer parsing into the v1 part parsing
mtd: factor out v1 partition parsing
mtd: afs: simplify partition detection
mtd: afs: simplify partition parsing
mtd: partitions: Add OF support to AFS partitions
mtd: partitions: Add AFS partitions DT bindings
mtd: afs: Move AFS partition parser to parsers subdir
mtd: maps: Make uclinux_ram_map static
mtd: maps: Allow MTD_PHYSMAP with MTD_RAM
MAINTAINERS: Add myself as MTD maintainer
MAINTAINERS: Remove my name from the MTD and NAND entries
...
CrOS EC:
- Add EC host command support using rpmsg
- Add new CrOS USB PD logging driver
- Transfer spi messages at high priority
- Add support to trace CrOS EC commands
- Minor fixes and cleanups in protocol and debugfs
Wilco EC:
- Standardize Wilco EC mailbox interface
- Add h1_gpio status to debugfs
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Merge tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"CrOS EC:
- Add EC host command support using rpmsg
- Add new CrOS USB PD logging driver
- Transfer spi messages at high priority
- Add support to trace CrOS EC commands
- Minor fixes and cleanups in protocol and debugfs
Wilco EC:
- Standardize Wilco EC mailbox interface
- Add h1_gpio status to debugfs"
* tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_proto: Add trace event to trace EC commands
platform/chrome: cros_ec_debugfs: Use cros_ec_cmd_xfer_status helper
platform/chrome: cros_ec: Add EC host command support using rpmsg
platform/chrome: wilco_ec: Add h1_gpio status to debugfs
platform/chrome: wilco_ec: Standardize mailbox interface
platform/chrome: cros_ec_proto: check for NULL transfer function
platform/chrome: Add CrOS USB PD logging driver
platform/chrome: cros_ec_spi: Transfer messages at high priority
platform/chrome: cros_ec_debugfs: no need to check return value of debugfs_create functions
platform/chrome: cros_ec_debugfs: Remove dev_warn when console log is not supported
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to
be handled consistently. Unsurprisingly, we enforce the lines to
be either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone
does, so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed.
Such nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs
and outputs at the same time and after improving the MMIO library
we handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM
work as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update.
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Merge tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull gpio updates from Linus Walleij:
"This is the bulk of the GPIO changes for the v5.2 kernel cycle. A bit
later than usual because I was ironing out my own mistakes. I'm
holding some stuff back for the next kernel as a result, and this
should be a healthy and well tested batch.
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to be
handled consistently. Unsurprisingly, we enforce the lines to be
either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone does,
so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed. Such
nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs and
outputs at the same time and after improving the MMIO library we
handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM work
as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update"
* tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
gpio: Update documentation
docs: gpio: convert docs to ReST and rename to *.rst
gpio: sch: Remove write-only core_base
gpio: pxa: Make two symbols static
gpiolib: acpi: Respect pin bias setting
gpiolib: acpi: Add acpi_gpio_update_gpiod_lookup_flags() helper
gpiolib: acpi: Set pin value, based on bias, more accurately
gpiolib: acpi: Change type of dflags
gpiolib: Introduce GPIO_LOOKUP_FLAGS_DEFAULT
gpiolib: Make use of enum gpio_lookup_flags consistent
gpiolib: Indent entry values of enum gpio_lookup_flags
gpio: pca953x: add support for pca6416
dt-bindings: gpio: pca953x: document the nxp,pca6416
gpio: pca953x: add pcal6416 to the of_device_id table
gpio: gpio-omap: Remove conditional pm_runtime handling for GPIO interrupts
gpio: gpio-omap: configure edge detection for level IRQs for idle wakeup
tracing: stop making gpio tracing configurable
gpio: pca953x: Configure wake-up path when wake-up is enabled
gpio: of: Optimize quirk checks
gpio: mmio: Drop bgpio_dir_inverted
...
In commit 687e3d5550 ("dt-bindings: doc: reflect new NVMEM
of_get_mac_address behaviour") I've kept or added references to Linux
of_get_mac_address API which is unwanted so this patch fixes that by
removing those references.
Fixes: 687e3d5550 ("dt-bindings: doc: reflect new NVMEM of_get_mac_address behaviour")
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
conversion of the x86 docs to RST, which has been in the works for some
time but needed a couple of final tweaks.
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Merge tag 'docs-5.2a' of git://git.lwn.net/linux
Pull more documentation updates from Jonathan Corbet:
"Some late arriving documentation changes. In particular, this contains
the conversion of the x86 docs to RST, which has been in the works for
some time but needed a couple of final tweaks"
* tag 'docs-5.2a' of git://git.lwn.net/linux: (29 commits)
Documentation: x86: convert x86_64/machinecheck to reST
Documentation: x86: convert x86_64/cpu-hotplug-spec to reST
Documentation: x86: convert x86_64/fake-numa-for-cpusets to reST
Documentation: x86: convert x86_64/5level-paging.txt to reST
Documentation: x86: convert x86_64/mm.txt to reST
Documentation: x86: convert x86_64/uefi.txt to reST
Documentation: x86: convert x86_64/boot-options.txt to reST
Documentation: x86: convert i386/IO-APIC.txt to reST
Documentation: x86: convert usb-legacy-support.txt to reST
Documentation: x86: convert orc-unwinder.txt to reST
Documentation: x86: convert resctrl_ui.txt to reST
Documentation: x86: convert microcode.txt to reST
Documentation: x86: convert pti.txt to reST
Documentation: x86: convert amd-memory-encryption.txt to reST
Documentation: x86: convert intel_mpx.txt to reST
Documentation: x86: convert protection-keys.txt to reST
Documentation: x86: convert pat.txt to reST
Documentation: x86: convert mtrr.txt to reST
Documentation: x86: convert tlb.txt to reST
Documentation: x86: convert zero-page.txt to reST
...
Nothing out of the ordinary this cycle. The bulk of this is a collection
of fixes for existing drivers and some cleanups. There's one new driver
for i.MX SoCs and addition of support for some new variants to existing
drivers.
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Merge tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Nothing out of the ordinary this cycle.
The bulk of this is a collection of fixes for existing drivers and
some cleanups. There's one new driver for i.MX SoCs and addition of
support for some new variants to existing drivers"
* tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: meson: Add clock source configuration for Meson G12A
dt-bindings: pwm: Update bindings for the Meson G12A Family
pwm: samsung: Don't uses devm_*() functions in ->request()
pwm: Clear chip_data in pwm_put()
pwm: Add i.MX TPM PWM driver support
dt-bindings: pwm: Add i.MX TPM PWM binding
pwm: imx27: Use devm_platform_ioremap_resource() to simplify code
pwm: meson: Use the spin-lock only to protect register modifications
pwm: meson: Don't disable PWM when setting duty repeatedly
pwm: meson: Consider 128 a valid pre-divider
pwm: sysfs: fix typo "its" -> "it's"
pwm: tiehrpwm: Enable compilation for ARCH_K3
dt-bindings: pwm: tiehrpwm: Add TI AM654 SoC specific compatible
pwm: tiehrpwm: Update shadow register for disabling PWMs
pwm: img: Turn final 'else if' into 'else' in img_pwm_config
pwm: Fix deadlock warning when removing PWM device
- Misc: Use devm_ api for imx and platform_get_irq for stm32
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Merge tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- New driver: Armada 37xx mailbox controller
- Misc: Use devm_ api for imx and platform_get_irq for stm32
* tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: Add support for Armada 37xx rWTM mailbox
dt-bindings: mailbox: Document armada-3700-rwtm-mailbox binding
mailbox: stm32-ipcc: check invalid irq
mailbox: imx: use devm_platform_ioremap_resource() to simplify code
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents the kernel
from accidentally accessing userspace outside copy_to/from_user(), or
ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to use the
same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for 64-bit Book3S
(ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup in the
null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors with the time
base (our clocksource), however if that fails currently we hang in __delay()
and never crash. We now have support for detecting that case and short
circuiting __delay() so we at least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had to be
disabled by default due to a hardware erratum. This has the effect of
enabling hardware breakpoints for GDB, the downside is a badly behaved
program could crash the machine by pointing the DAWR at cache inhibited
memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where operations
that could change memory or otherwise disturb the system are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to:
Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey Kardashevskiy, Andrew
Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anton Blanchard, Ben Hutchings,
Bo YU, Breno Leitao, Cédric Le Goater, Christopher M. Riedl, Christoph
Hellwig, Colin Ian King, David Gibson, Ganesh Goudar, Gautham R. Shenoy,
George Spelvin, Greg Kroah-Hartman, Greg Kurz, Horia Geantă, Jagadeesh
Pagadala, Joel Stanley, Joe Perches, Julia Lawall, Laurentiu Tudor, Laurent
Vivier, Lukas Bulwahn, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu
Malaterre, Michael Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch,
Nicholas Piggin, Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith, Sukadev
Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler, Valentin
Schneider, Wei Yongjun, Wen Yang, YueHaibing.
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Merge tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Slightly delayed due to the issue with printk() calling
probe_kernel_read() interacting with our new user access prevention
stuff, but all fixed now.
The only out-of-area changes are the addition of a cpuhp_state, small
additions to Documentation and MAINTAINERS updates.
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents
the kernel from accidentally accessing userspace outside
copy_to/from_user(), or ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to
use the same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for
64-bit Book3S (ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup
in the null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors
with the time base (our clocksource), however if that fails
currently we hang in __delay() and never crash. We now have support
for detecting that case and short circuiting __delay() so we at
least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had
to be disabled by default due to a hardware erratum. This has the
effect of enabling hardware breakpoints for GDB, the downside is a
badly behaved program could crash the machine by pointing the DAWR
at cache inhibited memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where
operations that could change memory or otherwise disturb the system
are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to: Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey
Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar,
Anton Blanchard, Ben Hutchings, Bo YU, Breno Leitao, Cédric Le Goater,
Christopher M. Riedl, Christoph Hellwig, Colin Ian King, David Gibson,
Ganesh Goudar, Gautham R. Shenoy, George Spelvin, Greg Kroah-Hartman,
Greg Kurz, Horia Geantă, Jagadeesh Pagadala, Joel Stanley, Joe
Perches, Julia Lawall, Laurentiu Tudor, Laurent Vivier, Lukas Bulwahn,
Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre, Michael
Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch, Nicholas Piggin,
Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith,
Sukadev Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler,
Valentin Schneider, Wei Yongjun, Wen Yang, YueHaibing"
* tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (205 commits)
powerpc/64s: Use early_mmu_has_feature() in set_kuap()
powerpc/book3s/64: check for NULL pointer in pgd_alloc()
powerpc/mm: Fix hugetlb page initialization
ocxl: Fix return value check in afu_ioctl()
powerpc/mm: fix section mismatch for setup_kup()
powerpc/mm: fix redundant inclusion of pgtable-frag.o in Makefile
powerpc/mm: Fix makefile for KASAN
powerpc/kasan: add missing/lost Makefile
selftests/powerpc: Add a signal fuzzer selftest
powerpc/booke64: set RI in default MSR
ocxl: Provide global MMIO accessors for external drivers
ocxl: move event_fd handling to frontend
ocxl: afu_irq only deals with IRQ IDs, not offsets
ocxl: Allow external drivers to use OpenCAPI contexts
ocxl: Create a clear delineation between ocxl backend & frontend
ocxl: Don't pass pci_dev around
ocxl: Split pci.c
ocxl: Remove some unused exported symbols
ocxl: Remove superfluous 'extern' from headers
ocxl: read_pasid never returns an error, so make it void
...
This patch adds documentation of device tree bindings for the
STMicroelectronics Multi-Function eXpander (STMFX) GPIO expander.
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds documentation of device tree bindings for the
STMicroelectronics Multi-Function eXpander (STMFX) MFD core.
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Pull networking fixes from David Miller:
"Several bug fixes, many are quick merge-window regression cures:
- When NLM_F_EXCL is not set, allow same fib rule insertion. From
Hangbin Liu.
- Several cures in sja1105 DSA driver (while loop exit condition fix,
return of negative u8, etc.) from Vladimir Oltean.
- Handle tx/rx delays in realtek PHY driver properly, from Serge
Semin.
- Double free in cls_matchall, from Pieter Jansen van Vuuren.
- Disable SIOCSHWTSTAMP in macvlan/vlan containers, from Hangbin Liu.
- Endainness fixes in aqc111, from Oliver Neukum.
- Handle errors in packet_init properly, from Haibing Yue.
- Various W=1 warning fixes in kTLS, from Jakub Kicinski"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
nfp: add missing kdoc
net/tls: handle errors from padding_length()
net/tls: remove set but not used variables
docs/btf: fix the missing section marks
nfp: bpf: fix static check error through tightening shift amount adjustment
selftests: bpf: initialize bpf_object pointers where needed
packet: Fix error path in packet_init
net/tcp: use deferred jump label for TCP acked data hook
net: aquantia: fix undefined devm_hwmon_device_register_with_info reference
aqc111: fix double endianness swap on BE
aqc111: fix writing to the phy on BE
aqc111: fix endianness issue in aqc111_change_mtu
vlan: disable SIOCSHWTSTAMP in container
macvlan: disable SIOCSHWTSTAMP in container
tipc: fix hanging clients using poll with EPOLLOUT flag
tuntap: synchronize through tfiles array instead of tun->numqueues
tuntap: fix dividing by zero in ebpf queue selection
dwmac4_prog_mtl_tx_algorithms() missing write operation
ptp_qoriq: fix NULL access if ptp dt node missing
net/sched: avoid double free on matchall reoffload
...
Pull sparc updates from David Miller:
"Here we go:
- Fix various long standing issues in the sparc 32-bit IOMMU support
code, from Christoph Hellwig.
- Various other code cleanups and simplifications all over. From
Gustavo A. R. Silva, Jagadeesh Pagadala, Masahiro Yamada, Mauro
Carvalho Chehab, Mike Rapoport"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: simplify reduce_memory() function
sparc: use struct_size() in kzalloc()
docs: sparc: convert to ReST
sparc/iommu: merge iommu_get_one and __sbus_iommu_map_page
sparc/iommu: use __sbus_iommu_map_page to implement the map_sg path
sparc/iommu: fix __sbus_iommu_map_page for highmem pages
sparc/iommu: move per-page flushing into __sbus_iommu_map_page
sparc/iommu: pass a physical address to iommu_get_one
sparc/iommu: create a common helper for map_sg
sparc/iommu: merge iommu_release_one and sbus_iommu_unmap_page
sparc/iommu: use sbus_iommu_unmap_page in sbus_iommu_unmap_sg
sparc/iommu: use !PageHighMem to check if a page has a kernel mapping
sparc: vdso: add FORCE to the build rule of %.so
arch:sparc:kernel/uprobes.c : Remove duplicate header
around because we've finally gotten around to fixing some long standing issues.
There's still work to do though, so this PR is largely laying down the
foundation for all the driver changes to come in the next merge window.
The first problem we're alleviating is how parents of clks are specified. With
the new method, we should see lots of drivers migrate away from the current
design of string comparisons on the entire clk tree to a more direct method
where they can use clk_hw pointers or more localized names specified in DT or
via clkdev. This should reduce our reliance on string comparisons for all the
topology description logic that we've been using for years and hopefully speed
some things up while avoiding problems we have with generating clk names.
Beyond that we also got rid of the CLK_IS_BASIC flag because it wasn't really
helping anyone and we introduced big-endian versions of the basic clk types so
that we can get rid of clk_{readl,writel}(). Both of these are things that
driver developers have tried to use over the years that I typically bat away
during code reviews because they're not useful. It's great to see these two
things go away so maintainers can save time not worrying about these things.
On the driver side we got the usual collection of new SoC support and
non-critical fixes and updates to existing code. The big topics that stand out
are the new driver support for Mediatek MT8183 and MT8516 SoCs, Amlogic Meson8b
and G12a SoCs, and the SiFive FU540 SoC. The other patches in the driver pile
are mostly fixes for things that are being used for the first time or additions
for clks that couldn't be tested before because there wasn't a consumer driver
that exercised them. Details are below and also in the sub-maintainer tags.
Core:
- Remove clk_readl() and introduce BE versions of basic clk types
- Rewrite how clk parents can be specified to allow DT/clkdev lookups
- Removal of the CLK_IS_BASIC clk flag
- Framework documentation updates and fixes
New Drivers:
- Support for STM32F769
- AT91 sam9x60 PMC support
- SiFive FU540 PRCI and PLL support
- Qualcomm QCS404 CDSP clk support
- Qualcomm QCS404 Turing clk support
- Mediatek MT8183 clock support
- Mediatek MT8516 clock support
- Milbeaut M10V clk controller support
- Support for Cirrus Logic Lochnagar clks
Updates:
- Rework AT91 sckc DT bindings
- Fix slow RC oscillator issue on sama5d3
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
- Various static analysis fixes/finds and const markings
- Video Engine (ECLK) support on Aspeed SoCs
- Xilinx ZynqMP Versal platform support
- Convert Xilinx ZynqMP driver to be struct oriented
- Fixes for Rockchip rk3328 and rk3288 SoCs
- Sub-type for Rockchip SoCs where mux and divider aren't a single register
- Remove SNVS clock from i.MX7UPL clock driver and bindings
- Improve i.MX5 clock driver for i.MX50 support
- Addition of ADC clock definition for Exynos 5410 SoC (Odroid XU)
- Export a new clock for the MBUS controller on the A13
- Allwinner H6 fixes to support a finer clocking of the video and VPU engines
- Add g12a support in the Amlogic axg audio clock controller
- Add missing PCI USB clock on Rensas RZ/N1
- Add Z2 (Cortex-A53) clocks on Rensas R-Car E3 and RZ/G2E
- A new helper DIV64_U64_ROUND_CLOSEST() in <linux/math64.h>
- VPU and Video Decoder clocks on Amlogic Meson8b
- Finally remove the wrong ABP Meson8b clock id
- Add Video Decoder, PCIe PLL, and CPU Clocks on Amlogic G12A
- Re-expose SAR_ADC_SEL and CTS_OSCIN on Amlogic G12A AO clock controller
- Un-expose some Amlogic AXG-Audio input clocks IDs
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk framework updates from Stephen Boyd:
"We have a couple new features and changes in the core clk framework
this time around because we've finally gotten around to fixing some
long standing issues. There's still work to do though, so this pull
request is largely laying down the foundation for all the driver
changes to come in the next merge window.
The first problem we're alleviating is how parents of clks are
specified. With the new method, we should see lots of drivers migrate
away from the current design of string comparisons on the entire clk
tree to a more direct method where they can use clk_hw pointers or
more localized names specified in DT or via clkdev. This should reduce
our reliance on string comparisons for all the topology description
logic that we've been using for years and hopefully speed some things
up while avoiding problems we have with generating clk names.
Beyond that we also got rid of the CLK_IS_BASIC flag because it wasn't
really helping anyone and we introduced big-endian versions of the
basic clk types so that we can get rid of clk_{readl,writel}(). Both
of these are things that driver developers have tried to use over the
years that I typically bat away during code reviews because they're
not useful. It's great to see these two things go away so maintainers
can save time not worrying about these things.
On the driver side we got the usual collection of new SoC support and
non-critical fixes and updates to existing code. The big topics that
stand out are the new driver support for Mediatek MT8183 and MT8516
SoCs, Amlogic Meson8b and G12a SoCs, and the SiFive FU540 SoC. The
other patches in the driver pile are mostly fixes for things that are
being used for the first time or additions for clks that couldn't be
tested before because there wasn't a consumer driver that exercised
them. Details are below and also in the sub-maintainer tags.
Core:
- Remove clk_readl() and introduce BE versions of basic clk types
- Rewrite how clk parents can be specified to allow DT/clkdev lookups
- Removal of the CLK_IS_BASIC clk flag
- Framework documentation updates and fixes
New Drivers:
- Support for STM32F769
- AT91 sam9x60 PMC support
- SiFive FU540 PRCI and PLL support
- Qualcomm QCS404 CDSP clk support
- Qualcomm QCS404 Turing clk support
- Mediatek MT8183 clock support
- Mediatek MT8516 clock support
- Milbeaut M10V clk controller support
- Support for Cirrus Logic Lochnagar clks
Updates:
- Rework AT91 sckc DT bindings
- Fix slow RC oscillator issue on sama5d3
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
- Various static analysis fixes/finds and const markings
- Video Engine (ECLK) support on Aspeed SoCs
- Xilinx ZynqMP Versal platform support
- Convert Xilinx ZynqMP driver to be struct oriented
- Fixes for Rockchip rk3328 and rk3288 SoCs
- Sub-type for Rockchip SoCs where mux and divider aren't a single register
- Remove SNVS clock from i.MX7UPL clock driver and bindings
- Improve i.MX5 clock driver for i.MX50 support
- Addition of ADC clock definition for Exynos 5410 SoC (Odroid XU)
- Export a new clock for the MBUS controller on the A13
- Allwinner H6 fixes to support a finer clocking of the video and VPU engines
- Add g12a support in the Amlogic axg audio clock controller
- Add missing PCI USB clock on Rensas RZ/N1
- Add Z2 (Cortex-A53) clocks on Rensas R-Car E3 and RZ/G2E
- A new helper DIV64_U64_ROUND_CLOSEST() in <linux/math64.h>
- VPU and Video Decoder clocks on Amlogic Meson8b
- Finally remove the wrong ABP Meson8b clock id
- Add Video Decoder, PCIe PLL, and CPU Clocks on Amlogic G12A
- Re-expose SAR_ADC_SEL and CTS_OSCIN on Amlogic G12A AO clock controller
- Un-expose some Amlogic AXG-Audio input clocks IDs"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (172 commits)
clk: Cache core in clk_fetch_parent_index() without names
clk: imx: correct pfdv2 gate_bit/vld_bit operations
clk: sifive: add a driver for the SiFive FU540 PRCI IP block
clk: analogbits: add Wide-Range PLL library
clk: imx: clk-pllv3: mark expected switch fall-throughs
clk: imx8mq: Add dsi_ipg_div
clk: imx: pllv4: add fractional-N pll support
clk: sunxi-ng: Use the correct style for SPDX License Identifier
clk: sprd: Use the correct style for SPDX License Identifier
clk: renesas: Use the correct style for SPDX License Identifier
clk: qcom: Use the correct style for SPDX License Identifier
clk: davinci: Use the correct style for SPDX License Identifier
clk: actions: Use the correct style for SPDX License Identifier
clk: imx: keep uart clock on during system boot
clk: imx: correct i.MX7D AV PLL num/denom offset
dt-bindings: clk: add documentation for the SiFive PRCI driver
clk: stm32mp1: Add ddrperfm clock
clk: Remove CLK_IS_BASIC clk flag
clock: milbeaut: Add Milbeaut M10V clock controller
dt-bindings: clock: milbeaut: add Milbeaut clock description
...
Subsystem:
- set_mmss and set_mmss64 rtc_ops removal
- Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900
- Use SPDX identifier for the core
- validate upper bound of tm->tm_year
New driver:
- Aspeed BMC SoC RTC
Drivers:
- abx80x: use rtc_add_group
- ds3232: nvram support
- pcf85063: add alarm, nvram, offset correction and microcrystal rv8263 support
- x1205: add of_match_table
- Use set_time instead of set_mms/set_mmss64 for: ab3100, coh901331, digicolor,
ds1672, ds2404, ep93xx, imxdi, jz4740, lpc32xx, mc13xxx, mxc, pcap, stmp3xxx,
test, wm831x, xgene.
- Set RTC range for: ab3100, at91sam9, coh901331, da9063, digicolor, dm355evm,
ds1672, ds2404, ep39xx, goldfish, imxdi, jz4740, lpc32xx, mc13xxx, mv, mxc,
omap, pcap, pcf85063, pcf85363, ps3, sh, stmp3xxx, sun4v, tegra, wm831x,
xgene.
- Switch to rtc_time64_to_tm/rtc_tm_to_time64 for the driver that properly set
the RTC range.
- Use dev_get_drvdata instead of multiple indirections.
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Merge tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"A huge series from me this cycle. I went through many drivers to set
the date and time range supported by the RTC which helps solving HW
limitation when the time comes (as early as next year for some). This
time, I focused on drivers using .set_mms and .set_mmss64, allowing me
to remove those callbacks. About a third of the patches got reviews, I
actually own the RTCs and I tested another third and the remaining one
are unlikely to cause any issues.
Other than that, a single new driver and the usual fixes here and there.
Summary:
Subsystem:
- set_mmss and set_mmss64 rtc_ops removal
- Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900
- Use SPDX identifier for the core
- validate upper bound of tm->tm_year
New driver:
- Aspeed BMC SoC RTC
Drivers:
- abx80x: use rtc_add_group
- ds3232: nvram support
- pcf85063: add alarm, nvram, offset correction and microcrystal
rv8263 support
- x1205: add of_match_table
- Use set_time instead of set_mms/set_mmss64 for: ab3100, coh901331,
digicolor, ds1672, ds2404, ep93xx, imxdi, jz4740, lpc32xx, mc13xxx,
mxc, pcap, stmp3xxx, test, wm831x, xgene.
- Set RTC range for: ab3100, at91sam9, coh901331, da9063, digicolor,
dm355evm, ds1672, ds2404, ep39xx, goldfish, imxdi, jz4740, lpc32xx,
mc13xxx, mv, mxc, omap, pcap, pcf85063, pcf85363, ps3, sh,
stmp3xxx, sun4v, tegra, wm831x, xgene.
- Switch to rtc_time64_to_tm/rtc_tm_to_time64 for the driver that
properly set the RTC range.
- Use dev_get_drvdata instead of multiple indirections"
* tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (177 commits)
rtc: snvs: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
rtc: imxdi: remove unused variable
rtc: drop set_mms and set_mmss64
rtc: pcap: convert to SPDX identifier
rtc: pcap: use .set_time
rtc: pcap: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: pcap: set range
rtc: digicolor: convert to SPDX identifier
rtc: digicolor: use .set_time
rtc: digicolor: set range
rtc: digicolor: fix possible race condition
rtc: jz4740: convert to SPDX identifier
rtc: jz4740: rework invalid time detection
rtc: jz4740: use dev_pm_set_wake_irq() to simplify code
rtc: jz4740: use .set_time
rtc: jz4740: remove useless check
rtc: jz4740: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: jz4740: set range
rtc: 88pm860x: prevent use-after-free on device remove
rtc: Use dev_get_drvdata()
...
Pull i2c updates from Wolfram Sang:
- API for late atomic transfers (e.g. to shut down via PMIC). We have a
seperate callback now which is called under clearly defined
conditions. In-kernel users are converted, too.
- new driver for the AMD PCIe MP2 I2C controller
- large refactoring for at91 and bcm-iproc (both gain slave support due
to this)
- and a good share of various driver improvements anf fixes
* 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (57 commits)
dt-bindings: i2c: riic: document r7s9210 support
i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
i2c-piix4: Add Hygon Dhyana SMBus support
i2c: core: apply 'is_suspended' check for SMBus, too
i2c: core: ratelimit 'transfer when suspended' errors
i2c: iproc: Change driver to use 'BIT' macro
i2c: riic: Add Runtime PM support
i2c: mux: demux-pinctrl: use struct_size() in devm_kzalloc()
i2c: mux: pca954x: allow management of device idle state via sysfs
i2c: mux: pca9541: remove support for unused platform data
i2c: mux: pca954x: remove support for unused platform data
dt-bindings: i2c: i2c-mtk: add support for MT8516
i2c: axxia: use auto cmd for last message
i2c: gpio: flag atomic capability if possible
i2c: algo: bit: add flag to whitelist atomic transfers
i2c: stu300: use xfer_atomic callback to bail out early
i2c: ocores: enable atomic xfers
i2c: ocores: refactor setup for polling
i2c: tegra-bpmp: convert to use new atomic callbacks
i2c: omap: Add the master_xfer_atomic hook
...
Pull cgroup updates from Tejun Heo:
"This includes Roman's cgroup2 freezer implementation.
It's a separate machanism from cgroup1 freezer. Instead of blocking
user tasks in arbitrary uninterruptible sleeps, the new implementation
extends jobctl stop - frozen tasks are trapped in jobctl stop until
thawed and can be killed and ptraced. Lots of thanks to Oleg for
sheperding the effort.
Other than that, there are a few trivial changes"
* 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: never call do_group_exit() with task->frozen bit set
kernel: cgroup: fix misuse of %x
cgroup: get rid of cgroup_freezer_frozen_exit()
cgroup: prevent spurious transition into non-frozen state
cgroup: Remove unused cgrp variable
cgroup: document cgroup v2 freezer interface
cgroup: add tracing points for cgroup v2 freezer
cgroup: make TRACE_CGROUP_PATH irq-safe
kselftests: cgroup: add freezer controller self-tests
kselftests: cgroup: don't fail on cg_kill_all() error in cg_destroy()
cgroup: cgroup v2 freezer
cgroup: protect cgroup->nr_(dying_)descendants by css_set_lock
cgroup: implement __cgroup_task_count() helper
cgroup: rename freezer.c into legacy_freezer.c
cgroup: remove extra cgroup_migrate_finish() call
Pull intgrity updates from James Morris:
"This contains just three patches, the remainder were either included
in other pull requests (eg. audit, lockdown) or will be upstreamed via
other subsystems (eg. kselftests, Power).
Included here is one bug fix, one documentation update, and extending
the x86 IMA arch policy rules to coordinate the different kernel
module signature verification methods"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
doc/kernel-parameters.txt: Deprecate ima_appraise_tcb
x86/ima: add missing include
x86/ima: require signed kernel modules
- Updates to stm32 dma residue calculations
- Interleave dma capability to axi-dmac and
support for ZynqMP arch
- Rework of channel assignment for rcar dma
- Debugfs for pl330 driver
- Support for Tegra186/Tegra194, refactoring for new chips
and support for pause/resume
- Updates to axi-dmac, bcm2835, fsl-edma, idma64, imx-sdma,
rcar-dmac, stm32-dma etc
- dev_get_drvdata() updates on few drivers
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Merge tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
- Updates to stm32 dma residue calculations
- Interleave dma capability to axi-dmac and support for ZynqMP arch
- Rework of channel assignment for rcar dma
- Debugfs for pl330 driver
- Support for Tegra186/Tegra194, refactoring for new chips and support
for pause/resume
- Updates to axi-dmac, bcm2835, fsl-edma, idma64, imx-sdma, rcar-dmac,
stm32-dma etc
- dev_get_drvdata() updates on few drivers
* tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (34 commits)
dmaengine: tegra210-adma: restore channel status
dmaengine: tegra210-dma: free dma controller in remove()
dmaengine: tegra210-adma: add pause/resume support
dmaengine: tegra210-adma: add support for Tegra186/Tegra194
Documentation: DT: Add compatibility binding for Tegra186
dmaengine: tegra210-adma: prepare for supporting newer Tegra chips
dmaengine: at_xdmac: remove a stray bottom half unlock
dmaengine: fsl-edma: Adjust indentation
dmaengine: fsl-edma: Fix typo in Vybrid name
dmaengine: stm32-dma: fix residue calculation in stm32-dma
dmaengine: nbpfaxi: Use dev_get_drvdata()
dmaengine: bcm-sba-raid: Use dev_get_drvdata()
dmaengine: stm32-dma: Fix unsigned variable compared with zero
dmaengine: stm32-dma: use platform_get_irq()
dmaengine: rcar-dmac: Update copyright information
dmaengine: imx-sdma: Only check ratio on parts that support 1:1
dmaengine: xgene-dma: fix spelling mistake "descripto" -> "descriptor"
dmaengine: idma64: Move driver name to the header
dmaengine: bcm2835: Drop duplicate capability setting.
dmaengine: pl330: _stop: clear interrupt status
...
- remove the already broken support for NULL dev arguments to the
DMA API calls
- Kconfig tidyups
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Merge tag 'dma-mapping-5.2' of git://git.infradead.org/users/hch/dma-mapping
Pull DMA mapping updates from Christoph Hellwig:
- remove the already broken support for NULL dev arguments to the DMA
API calls
- Kconfig tidyups
* tag 'dma-mapping-5.2' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: add a Kconfig symbol to indicate arch_dma_prep_coherent presence
dma-mapping: remove an unnecessary NULL check
x86/dma: Remove the x86_dma_fallback_dev hack
dma-mapping: remove leftover NULL device support
arm: use a dummy struct device for ISA DMA use of the DMA API
pxa3xx-gcu: pass struct device to dma_mmap_coherent
gbefb: switch to managed version of the DMA allocator
da8xx-fb: pass struct device to DMA API functions
parport_ip32: pass struct device to DMA API functions
dma: select GENERIC_ALLOCATOR for DMA_REMAP
Update the doc to explicitly support Meson G12A Family.
The 2 first (A & B) AO PWM uses different clock source than the last 2
(C & D) AO PWM modules, thus we need to differentiate them.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
The most significant changes at this cycle are the Sound Open Firmware
support from Intel for the common DSP framework along with its support
for Intel platforms. It's a door opened to a real "free" firmware (in
the sense of FOSS), and other parties show interests in it.
In addition to SOF, we've got a bunch of updates and fixes as usual.
Some highlights are below.
ALSA core:
- Cleanups and fixes in ALSA timer code to cover some races spotted
by syzkaller
- Cleanups and fixes in ALSA sequencer code to cover some races,
again unsurprisingly, spotted by syzkaller
- Optimize the common page allocation helper with alloc_pages_exact()
ASoC:
- Add SOF core support, as well as Intel SOF platform support
- Generic card driver improvements: support for MCLK/sample rate
ratio and pin switches
- A big set of improvements to TLV320AIC32x4 drivers
- New drivers for Freescale audio mixers, several Intel machines,
several Mediatek machines, Meson G12A, Spreadtrum compressed audio
and DMA devices
HD-audio:
- A few Realtek codec fixes for reducing pop noises
- Quirks for Chromebooks
- Workaround for faulty connection report on AMD/Nvidia HDMI
Others:
- A quirk for Focusrite Scarlett Solo USB-audio
- Add support for MOTU 8pre FireWire
- 24bit sample format support in aloop
- GUS patch format support (finally, over a decade) in native
emux synth code
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Merge tag 'sound-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"The most significant changes at this cycle are the Sound Open Firmware
support from Intel for the common DSP framework along with its support
for Intel platforms. It's a door opened to a real "free" firmware (in
the sense of FOSS), and other parties show interests in it.
In addition to SOF, we've got a bunch of updates and fixes as usual.
Some highlights are below.
ALSA core:
- Cleanups and fixes in ALSA timer code to cover some races spotted
by syzkaller
- Cleanups and fixes in ALSA sequencer code to cover some races,
again unsurprisingly, spotted by syzkaller
- Optimize the common page allocation helper with alloc_pages_exact()
ASoC:
- Add SOF core support, as well as Intel SOF platform support
- Generic card driver improvements: support for MCLK/sample rate
ratio and pin switches
- A big set of improvements to TLV320AIC32x4 drivers
- New drivers for Freescale audio mixers, several Intel machines,
several Mediatek machines, Meson G12A, Spreadtrum compressed audio
and DMA devices
HD-audio:
- A few Realtek codec fixes for reducing pop noises
- Quirks for Chromebooks
- Workaround for faulty connection report on AMD/Nvidia HDMI
Others:
- A quirk for Focusrite Scarlett Solo USB-audio
- Add support for MOTU 8pre FireWire
- 24bit sample format support in aloop
- GUS patch format support (finally, over a decade) in native emux
synth code"
* tag 'sound-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (375 commits)
ASoC: SOF: Fix unused variable warnings
ALSA: line6: toneport: Fix broken usage of timer for delayed execution
ALSA: aica: Fix a long-time build breakage
ALSA: hda/realtek - Support low power consumption for ALC256
ASoC: stm32: i2s: update pcm hardware constraints
ASoC: codec: hdac_hdmi: no checking monitor in hw_params
ASoC: mediatek: mt6358: save PGA for mixer control
ASoC: mediatek: mt6358: save output volume for mixer controls
ASoC: mediatek: mt6358: initialize setting when ramping volume
ASoC: SOF: core: fix undefined nocodec reference
ASoC: SOF: xtensa: fix undefined references
ASoC: SOF: Propagate sof_get_ctrl_copy_params() error properly
ALSA: hdea/realtek - Headset fixup for System76 Gazelle (gaze14)
ALSA: hda/intel: add CometLake PCI IDs
ALSA: hda/realtek - Support low power consumption for ALC295
ASoC: rockchip: Fix an uninitialized variable compile warning
ASoC: SOF: Fix a compile warning with CONFIG_PCI=n
ASoC: da7219: Fix a compile warning at CONFIG_COMMON_CLK=n
ASoC: sound/soc/sof/: fix kconfig dependency warning
ASoC: stm32: spdifrx: change trace level on iec control
...
This adds device tree binding documentation for the rWTM BIU mailbox
driver on the Armada 37xx SOC (EspressoBin, Turris Mox).
Signed-off-by: Marek Behun <marek.behun@nic.cz>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Merge tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"This has two exciting community drivers for ARM Mali accelerators.
Since ARM has never been open source friendly on the GPU side of the
house, the community has had to create open source drivers for the
Mali GPUs. Lima covers the older t4xx and panfrost the newer 6xx/7xx
series. Well done to all involved and hopefully this will help ARM
head in the right direction.
There is also now the ability if you don't have any of the legacy
drivers enabled (pre-KMS) to remove all the pre-KMS support code from
the core drm, this saves 10% or so in codesize on my machine.
i915 also enable Icelake/Elkhart Lake Gen11 GPUs by default, vboxvideo
moves out of staging.
There are also some rcar-du patches which crossover with media tree
but all should be acked by Mauro.
Summary:
uapi changes:
- Colorspace connector property
- fourcc - new YUV formts
- timeline sync objects initially merged
- expose FB_DAMAGE_CLIPS to atomic userspace
new drivers:
- vboxvideo: moved out of staging
- aspeed: ASPEED SoC BMC chip display support
- lima: ARM Mali4xx GPU acceleration driver support
- panfrost: ARM Mali6xx/7xx Midgard/Bitfrost acceleration driver support
core:
- component helper docs
- unplugging fixes
- devm device init
- MIPI/DSI rate control
- shmem backed gem objects
- connector, display_info, edid_quirks cleanups
- dma_buf fence chain support
- 64-bit dma-fence seqno comparison fixes
- move initial fb config code to core
- gem fence array helpers for Lima
- ability to remove legacy support code if no drivers requires it (removes 10% of drm.ko size)
- lease fixes
ttm:
- unified DRM_FILE_PAGE_OFFSET handling
- Account for kernel allocations in kernel zone only
panel:
- OSD070T1718-19TS panel support
- panel-tpo-td028ttec1 backlight support
- Ronbo RB070D30 MIPI/DSI
- Feiyang FY07024DI26A30-D MIPI-DSI panel
- Rocktech jh057n00900 MIPI-DSI panel
i915:
- Comet Lake (Gen9) PCI IDs
- Updated Icelake PCI IDs
- Elkhartlake (Gen11) support
- DP MST property addtions
- plane and watermark fixes
- Icelake port sync and VEBOX disable fixes
- struct_mutex usage reduction
- Icelake gamma fix
- GuC reset fixes
- make mmap more asynchronous
- sound display power well race fixes
- DDI/MIPI-DSI clocks for Icelake
- Icelake RPS frequency changing support
- Icelake workarounds
amdgpu:
- Use HMM for userptr
- vega20 experimental smu11 support
- RAS support for vega20
- BACO support for vega12 + fixes for vega20
- reworked IH interrupt handling
- amdkfd RAS support
- Freesync improvements
- initial timeline sync object support
- DC Z ordering fixes
- NV12 planes support
- colorspace properties for planes=
- eDP opts if eDP already initialized
nouveau:
- misc fixes
etnaviv:
- misc fixes
msm:
- GPU zap shader support expansion
- robustness ABI addition
exynos:
- Logging cleanups
tegra:
- Shared reset fix
- CPU cache maintenance fix
cirrus:
- driver rewritten using simple helpers
meson:
- G12A support
vmwgfx:
- Resource dirtying management improvements
- Userspace logging improvements
virtio:
- PRIME fixes
rockchip:
- rk3066 hdmi support
sun4i:
- DSI burst mode support
vc4:
- load tracker to detect underflow
v3d:
- v3d v4.2 support
malidp:
- initial Mali D71 support in komeda driver
tfp410:
- omap related improvement
omapdrm:
- drm bridge/panel support
- drop some omap specific panels
rcar-du:
- Display writeback support"
* tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm: (1507 commits)
drm/msm/a6xx: No zap shader is not an error
drm/cma-helper: Fix drm_gem_cma_free_object()
drm: Fix timestamp docs for variable refresh properties.
drm/komeda: Mark the local functions as static
drm/komeda: Fixed warning: Function parameter or member not described
drm/komeda: Expose bus_width to Komeda-CORE
drm/komeda: Add sysfs attribute: core_id and config_id
drm: add non-desktop quirk for Valve HMDs
drm/panfrost: Show stored feature registers
drm/panfrost: Don't scream about deferred probe
drm/panfrost: Disable PM on probe failure
drm/panfrost: Set DMA masks earlier
drm/panfrost: Add sanity checks to submit IOCTL
drm/etnaviv: initialize idle mask before querying the HW db
drm: introduce a capability flag for syncobj timeline support
drm: report consistent errors when checking syncobj capibility
drm/nouveau/nouveau: forward error generated while resuming objects tree
drm/nouveau/fb/ramgk104: fix spelling mistake "sucessfully" -> "successfully"
drm/nouveau/i2c: Disable i2c bus access after ->fini()
drm/nouveau: Remove duplicate ACPI_VIDEO_NOTIFY_PROBE definition
...
Rename the sparc documentation files to ReST, add an
index for them and adjust in order to produce a nice html
output via the Sphinx build system.
There is an except from a document under oradax dir.
It doesn't seem to make much sense to convert this one
to ReST, so let's add it as an included document.
At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add a index.rst for x86 support. More docs will be added later.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The current trace documentation, the section describing histogram's "onmatch"
is not straightforward enough about how this action is applied. It is not
clear what criteria are used to "match" both events. A short note is added,
describing what exactly is compared in order to match the events.
Signed-off-by: Tzvetomir Stoyanov <tstoyanov@vmware.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
[jc: fixed trivial conflict with docs-next]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This patch translates in Italian the following updates
62be257e98 LICENSES: Rename other to deprecated
8ea8814fcd LICENSES: Clearly mark dual license only licenses
6132c37ca5 docs: Don't reference the ZLib license in license-rules.rst
Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
- Lots of work on the Chinese and Italian translations
- Some license-rules clarifications from Christoph
- Various build-script fixes
- A new document on memory models
- RST conversion of the live-patching docs
- The usual collection of typo fixes and corrections.
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Merge tag 'docs-5.2' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"A reasonably busy cycle for docs, including:
- Lots of work on the Chinese and Italian translations
- Some license-rules clarifications from Christoph
- Various build-script fixes
- A new document on memory models
- RST conversion of the live-patching docs
- The usual collection of typo fixes and corrections"
* tag 'docs-5.2' of git://git.lwn.net/linux: (140 commits)
docs/livepatch: Unify style of livepatch documentation in the ReST format
docs: livepatch: convert docs to ReST and rename to *.rst
scripts/documentation-file-ref-check: detect broken :doc:`foo`
scripts/documentation-file-ref-check: don't parse Next/ dir
LICENSES: Rename other to deprecated
LICENSES: Clearly mark dual license only licenses
docs: Don't reference the ZLib license in license-rules.rst
docs/vm: Minor editorial changes in the THP and hugetlbfs
docs/vm: add documentation of memory models
doc:it_IT: translation alignment
doc: fix typo in PGP guide
dontdiff: update with Kconfig build artifacts
docs/zh_CN: fix typos in 1.Intro.rst file
docs/zh_CN: redirect CoC docs to Chinese version
doc: mm: migration doesn't use FOLL_SPLIT anymore
docs: doc-guide: remove the extension from .rst files
doc: kselftest: Fix KBUILD_OUTPUT usage instructions
docs: trace: fix some Sphinx warnings
docs: speculation.txt: mark example blocks as such
docs: ntb.txt: add blank lines to clean up some Sphinx warnings
...
- allow users to invoke 'make' out of the source tree
- refactor scripts/mkmakefile
- deprecate KBUILD_SRC, which was used to track the source tree
location for O= build.
- fix recordmcount.pl in case objdump output is localized
- turn unresolved symbols in external modules to errors from warnings
by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings
- generate modules.builtin.modinfo to collect .modinfo data from
built-in modules
- misc Makefile cleanups
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Merge tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- allow users to invoke 'make' out of the source tree
- refactor scripts/mkmakefile
- deprecate KBUILD_SRC, which was used to track the source tree
location for O= build.
- fix recordmcount.pl in case objdump output is localized
- turn unresolved symbols in external modules to errors from warnings
by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings
- generate modules.builtin.modinfo to collect .modinfo data from
built-in modules
- misc Makefile cleanups
* tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (21 commits)
.gitignore: add more all*.config patterns
moduleparam: Save information about built-in modules in separate file
Remove MODULE_ALIAS() calls that take undefined macro
.gitignore: add leading and trailing slashes to generated directories
scripts/tags.sh: fix direct execution of scripts/tags.sh
scripts: override locale from environment when running recordmcount.pl
samples: kobject: allow CONFIG_SAMPLE_KOBJECT to become y
samples: seccomp: turn CONFIG_SAMPLE_SECCOMP into a bool option
kbuild: move Documentation to vmlinux-alldirs
kbuild: move samples/ to KBUILD_VMLINUX_OBJS
modpost: make KBUILD_MODPOST_WARN also configurable for external modules
kbuild: check arch/$(SRCARCH)/include/generated before out-of-tree build
kbuild: remove unneeded dependency for include/config/kernel.release
memory: squash drivers/memory/Makefile.asm-offsets
kbuild: use $(srctree) instead of KBUILD_SRC to check out-of-tree build
kbuild: mkmakefile: generate a simple wrapper of top Makefile
kbuild: mkmakefile: do not check the generated Makefile marker
kbuild: allow Kbuild to start from any directory
kbuild: pass $(MAKECMDGOALS) to sub-make as is
kbuild: fix warning "overriding recipe for target 'Makefile'"
...
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Merge tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- remove the deprecated Zoran driver from staging
- new I2C driver: ST MIPID02 CSI-2 camera bridge
- new platform driver: Amlogic Meson AO CEC G12A Controller
- add support for USB audio via the media controller
- au0828 driver is now supported via the media controller on both on
media and on usbaudio
- new kernel test for the media device allocator
- add support for stateless decoder at vicodec driver
- lots of other driver improvements fixes and cleanups
* tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (218 commits)
media: dt-bindings: aspeed-video: Add missing memory-region property
media: platform: Aspeed: Make reserved memory optional
media: platform: Aspeed: Remove use of reset line
media: stm32-dcmi: return appropriate error codes during probe
media: vsp1: Add support for missing 16-bit RGB555 formats
media: vsp1: Add support for missing 16-bit RGB444 formats
media: vsp1: Add support for missing 32-bit RGB formats
media: v4l: Add definitions for missing 16-bit RGB555 formats
media: v4l: Add definitions for missing 16-bit RGB4444 formats
media: v4l: Add definitions for missing 32-bit RGB formats
media: zoran: remove deprecated driver
media: MAINTAINERS: Update AO CEC with ao-cec-g12a driver
media: platform: meson: Add Amlogic Meson G12A AO CEC Controller driver
media: dt-bindings: media: meson-ao-cec: Add G12A AO-CEC-B Compatible
media: cros-ec-cec: decrement HDMI device refcount
media: seco-cec: decrement HDMI device refcount
media: tegra_cec: use new cec_notifier_parse_hdmi_phandle helper
media: stih_cec: use new cec_notifier_parse_hdmi_phandle helper
media: s5p_cec: use new cec_notifier_parse_hdmi_phandle helper
media: meson: ao-cec: use new cec_notifier_parse_hdmi_phandle helper
...
Rephrased the FIELD_ANY description: rather than explicitly list
field values, just say 'when any field format is acceptable'. The
list of FIELD values was outdated, so it was a bit confusing.
The FIELD_NONE description said that 'The driver may also indicate
this order when it cannot distinguish between V4L2_FIELD_TOP and
V4L2_FIELD_BOTTOM'. This is false, NONE really means a full frame
and userspace depends on that. So drop this line completely. There
are no drivers that do this anyway.
FIELD_TOP/BOTTOM/ALTERNATE indicate that the number of lines in the
buffer are that of a field, not frame, so returning NONE here would
cause huge problems.
Finally attempt to clarify 'progressive' and 'interlaced' a little
bit.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Introduce an alternate mode of operation where dm-integrity uses a
bitmap instead of a journal. If a bit in the bitmap is 1, the
corresponding region's data and integrity tags are not synchronized - if
the machine crashes, the unsynchronized regions will be recalculated.
The bitmap mode is faster than the journal mode, because we don't have
to write the data twice, but it is also less reliable, because if data
corruption happens when the machine crashes, it may not be detected.
Benchmark results for an SSD connected to a SATA300 port, when doing
large linear writes with dd:
buffered I/O:
raw device throughput - 245MB/s
dm-integrity with journaling - 120MB/s
dm-integrity with bitmap - 238MB/s
direct I/O with 1MB block size:
raw device throughput - 248MB/s
dm-integrity with journaling - 123MB/s
dm-integrity with bitmap - 223MB/s
For more info see dm-integrity in Documentation/device-mapper/
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Merge tag 'for-linus-5.2' of git://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"Some minor cleanups for the IPMI driver"
* tag 'for-linus-5.2' of git://github.com/cminyard/linux-ipmi:
ipmi: Remove warning if no slave address is present
ipmi:ssif: Only unregister the platform driver if it was registered
ipmi:ssif: compare block number correctly for multi-part return messages
ipmi: Add the i2c-addr property for SSIF interfaces
char/ipmi: fix spelling mistake "receieved_messages" -> "received_messages"
ipmi: avoid atomic_inc in exit function
ipmi: Remove file from ipmi_file_private
ipmi_si: remove an unused variable in try_smi_init()
ipmi: Make ipmi_interfaces_srcu variable static
Nex drivers:
- New driver for Bitmain BM1880 pin controller
- New driver for Mediatek MT8516
- New driver for Cirrus Logich Lochnagar PMIC pins
Updates:
- Incremental development on Renesas SH-PFC
- Incremental development on Intel pin controller and some
particular updates for Cedarfork.
- Pin configuration support in Allwinner SunXi drivers
- Suspend/resume support in the NXP/Freescale i.MX8MQ driver
- Support for more packaging of the ST Micro STM32
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Merge tag 'pinctrl-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"It is pretty calm and chill in pin control for the moment. Just
incremental development.
There is an odd patch to the Super-H architecture, it's coming from
the maintainers so should be fine.
Summary:
New drivers:
- Bitmain BM1880 pin controller
- Mediatek MT8516
- Cirrus Logich Lochnagar PMIC pins
Updates:
- Incremental development on Renesas SH-PFC
- Incremental development on Intel pin controller and some particular
updates for Cedarfork.
- Pin configuration support in Allwinner SunXi drivers
- Suspend/resume support in the NXP/Freescale i.MX8MQ driver
- Support for more packaging of the ST Micro STM32"
* tag 'pinctrl-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (72 commits)
pinctrl: mcp23s08: Do not complain about unsupported params
pinctrl: Rework Kconfig dependency for BM1880 pinctrl driver
MAINTAINERS: Add entry for BM1880 pinctrl
pinctrl: Add pinctrl support for BM1880 SoC
dt-bindings: pinctrl: Add BM1880 pinctrl binding
pinctrl: stm32: check irq controller availability at probe
pinctrl: mediatek: Add MT8516 Pinctrl driver
pinctrl: zte: fix leaked of_node references
pinctrl: intel: Increase readability of intel_gpio_update_pad_mode()
pinctrl: intel: Retain HOSTSW_OWN for requested gpio pin
pinctrl: pistachio: fix leaked of_node references
pinctrl: sunxi: Support I/O bias voltage setting on H6
pinctrl: sunxi: Prepare for alternative bias voltage setting methods
pinctrl: st: fix leaked of_node references
pinctrl: samsung: fix leaked of_node references
pinctrl: stm32: align stm32mp157 pin names
pinctrl: stm32: add package information for stm32mp157c
pinctrl: stm32: introduce package support
dt-bindings: pinctrl: stm32: add new entry for package information
pinctrl: imx8mq: Add suspend/resume ops
...
This is mostly update of the usual drivers: qla2xxx, qedf, smartpqi,
hpsa, lpfc, ufs, mpt3sas, ibmvfc and hisi_sas. Plus number of minor
changes, spelling fixes and other trivia.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly update of the usual drivers: qla2xxx, qedf, smartpqi,
hpsa, lpfc, ufs, mpt3sas, ibmvfc and hisi_sas. Plus number of minor
changes, spelling fixes and other trivia"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (298 commits)
scsi: qla2xxx: Avoid that lockdep complains about unsafe locking in tcm_qla2xxx_close_session()
scsi: qla2xxx: Avoid that qlt_send_resp_ctio() corrupts memory
scsi: qla2xxx: Fix hardirq-unsafe locking
scsi: qla2xxx: Complain loudly about reference count underflow
scsi: qla2xxx: Use __le64 instead of uint32_t[2] for sending DMA addresses to firmware
scsi: qla2xxx: Introduce the dsd32 and dsd64 data structures
scsi: qla2xxx: Check the size of firmware data structures at compile time
scsi: qla2xxx: Pass little-endian values to the firmware
scsi: qla2xxx: Fix race conditions in the code for aborting SCSI commands
scsi: qla2xxx: Use an on-stack completion in qla24xx_control_vp()
scsi: qla2xxx: Make qla24xx_async_abort_cmd() static
scsi: qla2xxx: Remove unnecessary locking from the target code
scsi: qla2xxx: Remove qla_tgt_cmd.released
scsi: qla2xxx: Complain if a command is released that is owned by the firmware
scsi: qla2xxx: target: Fix offline port handling and host reset handling
scsi: qla2xxx: Fix abort handling in tcm_qla2xxx_write_pending()
scsi: qla2xxx: Fix error handling in qlt_alloc_qfull_cmd()
scsi: qla2xxx: Simplify qlt_send_term_imm_notif()
scsi: qla2xxx: Fix use-after-free issues in qla2xxx_qpair_sp_free_dma()
scsi: qla2xxx: Fix a qla24xx_enable_msix() error path
...
Here is the "big" set of tty/serial driver patches for 5.2-rc1.
It's really pretty small, not much happening in this portion of the
kernel at the moment. When the "highlight" is the movement of the
documentation from .txt to .rst files, it's a good merge window.
There's a number of small fixes and updates over the various serial
drivers, and a new "tty null" driver for those embedded systems that
like to make things even smaller and not break things.
All of these 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 'tty-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the "big" set of tty/serial driver patches for 5.2-rc1.
It's really pretty small, not much happening in this portion of the
kernel at the moment. When the "highlight" is the movement of the
documentation from .txt to .rst files, it's a good merge window.
There's a number of small fixes and updates over the various serial
drivers, and a new "tty null" driver for those embedded systems that
like to make things even smaller and not break things.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (45 commits)
tty: serial: add driver for the SiFive UART
dt-bindings: serial: add documentation for the SiFive UART driver
serial: uartps: Add support for cts-override
dt-bindings: xilinx-uartps: Add support for cts-override
serial: milbeaut_usio: Fix error handling in probe and remove
tty: rocket: deprecate the rp_ioctl
tty: rocket: Remove RCPK_GET_STRUCT ioctl
tty: update obsolete termios comment
tty: serial_core: fix error code returned by uart_register_driver()
serial: 8250-mtk: modify baudrate setting
serial: 8250-mtk: add follow control
docs: serial: convert docs to ReST and rename to *.rst
serial: 8250_exar: Adjust IOT2000 matching
TTY: serial_core, add ->install
serial: Fix using plain integer instead of Null pointer
tty:serial_core: Spelling mistake
tty: Add NULL TTY driver
tty: vt: keyboard: Allow Unicode compose base char
Revert "tty: fix NULL pointer issue when tty_port ops is not set"
serial: Add Milbeaut serial control
...
Here is the big set of USB and PHY driver patches for 5.2-rc1
There is the usual set of:
- USB gadget updates
- PHY driver updates and additions
- USB serial driver updates and fixes
- typec updates and new chips supported
- mtu3 driver updates
- xhci driver updates
- other tiny driver updates
Nothing really interesting, just constant forward progress.
All of these have been in linux-next for a while with no reported
issues. The usb-gadget and usb-serial trees were merged a bit "late",
but both of them had been in linux-next before they got merged here last
Friday.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big set of USB and PHY driver patches for 5.2-rc1
There is the usual set of:
- USB gadget updates
- PHY driver updates and additions
- USB serial driver updates and fixes
- typec updates and new chips supported
- mtu3 driver updates
- xhci driver updates
- other tiny driver updates
Nothing really interesting, just constant forward progress.
All of these have been in linux-next for a while with no reported
issues. The usb-gadget and usb-serial trees were merged a bit "late",
but both of them had been in linux-next before they got merged here
last Friday"
* tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (206 commits)
USB: serial: f81232: implement break control
USB: serial: f81232: add high baud rate support
USB: serial: f81232: clear overrun flag
USB: serial: f81232: fix interrupt worker not stop
usb: dwc3: Rename DWC3_DCTL_LPM_ERRATA
usb: dwc3: Fix default lpm_nyet_threshold value
usb: dwc3: debug: Print GET_STATUS(device) tracepoint
usb: dwc3: Do core validation early on probe
usb: dwc3: gadget: Set lpm_capable
usb: gadget: atmel: tie wake lock to running clock
usb: gadget: atmel: support USB suspend
usb: gadget: atmel_usba_udc: simplify setting of interrupt-enabled mask
dwc2: gadget: Fix completed transfer size calculation in DDMA
usb: dwc2: Set lpm mode parameters depend on HW configuration
usb: dwc2: Fix channel disable flow
usb: dwc2: Set actual frame number for completed ISOC transfer
usb: gadget: do not use __constant_cpu_to_le16
usb: dwc2: gadget: Increase descriptors count for ISOC's
usb: introduce usb_ep_type_string() function
usb: dwc3: move synchronize_irq() out of the spinlock protected block
...
Document new generic property that designates the PMIC as the system's
power controller.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Maxim 77663 has a few minor differences in regards to hardware interface
and available capabilities by comparing it with 77620 and 20024 models,
hence re-use 77620 device-tree binding for the 77663.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The previous KVM_CAP_MANUAL_DIRTY_LOG_PROTECT has some problem which
blocks the correct usage from userspace. Obsolete the old one and
introduce a new capability bit for it.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add the DT binding document for the onkey module of max77650.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add the DT binding document for the LEDs module of max77650.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add the DT binding document for the battery charger module of max77650.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add a DT binding document for max77650 ultra-low power PMIC. This
describes the core mfd device and the GPIO module.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fix a minor typo in the MDS documentation: "eanbled" -> "enabled".
Reported-by: Jeff Bastian <jbastian@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Adjust the last two rows in the table that display possible values when
MDS mitigation is enabled. They both were slightly innacurate.
In addition, convert the table of possible values and their descriptions
to a list-table. The simple table format uses the top border of equals
signs to determine cell width which resulted in the first column being
far too wide in comparison to the second column that contained the
majority of the text.
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Updated the documentation for a new CVE-2019-11091 Microarchitectural Data
Sampling Uncacheable Memory (MDSUM) which is a variant of
Microarchitectural Data Sampling (MDS). MDS is a family of side channel
attacks on internal buffers in Intel CPUs.
MDSUM is a special case of MSBDS, MFBDS and MLPDS. An uncacheable load from
memory that takes a fault or assist can leave data in a microarchitectural
structure that may later be observed using one of the same methods used by
MSBDS, MFBDS or MLPDS. There are no new code changes expected for MDSUM.
The existing mitigation for MDS applies to MDSUM as well.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Tyler Hicks <tyhicks@canonical.com>
Reviewed-by: Jon Masters <jcm@redhat.com>
Pull networking updates from David Miller:
"Highlights:
1) Support AES128-CCM ciphers in kTLS, from Vakul Garg.
2) Add fib_sync_mem to control the amount of dirty memory we allow to
queue up between synchronize RCU calls, from David Ahern.
3) Make flow classifier more lockless, from Vlad Buslov.
4) Add PHY downshift support to aquantia driver, from Heiner
Kallweit.
5) Add SKB cache for TCP rx and tx, from Eric Dumazet. This reduces
contention on SLAB spinlocks in heavy RPC workloads.
6) Partial GSO offload support in XFRM, from Boris Pismenny.
7) Add fast link down support to ethtool, from Heiner Kallweit.
8) Use siphash for IP ID generator, from Eric Dumazet.
9) Pull nexthops even further out from ipv4/ipv6 routes and FIB
entries, from David Ahern.
10) Move skb->xmit_more into a per-cpu variable, from Florian
Westphal.
11) Improve eBPF verifier speed and increase maximum program size,
from Alexei Starovoitov.
12) Eliminate per-bucket spinlocks in rhashtable, and instead use bit
spinlocks. From Neil Brown.
13) Allow tunneling with GUE encap in ipvs, from Jacky Hu.
14) Improve link partner cap detection in generic PHY code, from
Heiner Kallweit.
15) Add layer 2 encap support to bpf_skb_adjust_room(), from Alan
Maguire.
16) Remove SKB list implementation assumptions in SCTP, your's truly.
17) Various cleanups, optimizations, and simplifications in r8169
driver. From Heiner Kallweit.
18) Add memory accounting on TX and RX path of SCTP, from Xin Long.
19) Switch PHY drivers over to use dynamic featue detection, from
Heiner Kallweit.
20) Support flow steering without masking in dpaa2-eth, from Ioana
Ciocoi.
21) Implement ndo_get_devlink_port in netdevsim driver, from Jiri
Pirko.
22) Increase the strict parsing of current and future netlink
attributes, also export such policies to userspace. From Johannes
Berg.
23) Allow DSA tag drivers to be modular, from Andrew Lunn.
24) Remove legacy DSA probing support, also from Andrew Lunn.
25) Allow ll_temac driver to be used on non-x86 platforms, from Esben
Haabendal.
26) Add a generic tracepoint for TX queue timeouts to ease debugging,
from Cong Wang.
27) More indirect call optimizations, from Paolo Abeni"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1763 commits)
cxgb4: Fix error path in cxgb4_init_module
net: phy: improve pause mode reporting in phy_print_status
dt-bindings: net: Fix a typo in the phy-mode list for ethernet bindings
net: macb: Change interrupt and napi enable order in open
net: ll_temac: Improve error message on error IRQ
net/sched: remove block pointer from common offload structure
net: ethernet: support of_get_mac_address new ERR_PTR error
net: usb: smsc: fix warning reported by kbuild test robot
staging: octeon-ethernet: Fix of_get_mac_address ERR_PTR check
net: dsa: support of_get_mac_address new ERR_PTR error
net: dsa: sja1105: Fix status initialization in sja1105_get_ethtool_stats
vrf: sit mtu should not be updated when vrf netdev is the link
net: dsa: Fix error cleanup path in dsa_init_module
l2tp: Fix possible NULL pointer dereference
taprio: add null check on sched_nest to avoid potential null pointer dereference
net: mvpp2: cls: fix less than zero check on a u32 variable
net_sched: sch_fq: handle non connected flows
net_sched: sch_fq: do not assume EDT packets are ordered
net: hns3: use devm_kcalloc when allocating desc_cb
net: hns3: some cleanup for struct hns3_enet_ring
...
- Fix possible memory leak in reserved-memory failure case
- Support for DMA parent bus which are not a parent node
- Clang -Wunsequenced fix
- Remove some unnecessary prints on memory alloc failures
- Various printk msg and comment fixes
- Update DT schema tools repository location
- Convert simple-framebuffer binding to DT schema
- Bindings for isl68137 and ir38064 trivial devices
- New documentation on binding do's and don't's for binding writers to
ignore
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Merge tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree updates from Rob Herring:
- Fix possible memory leak in reserved-memory failure case
- Support for DMA parent bus which are not a parent node
- Clang -Wunsequenced fix
- Remove some unnecessary prints on memory alloc failures
- Various printk msg and comment fixes
- Update DT schema tools repository location
- Convert simple-framebuffer binding to DT schema
- Bindings for isl68137 and ir38064 trivial devices
- New documentation on binding do's and don't's for binding writers to
ignore
* tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (22 commits)
of: unittest: Remove error printing on OOM
of: irq: Remove WARN_ON() for kzalloc() failure
dt-bindings: pinctrl: fix bias-pull,up typo
dt-bindings: Update schema project location to devicetree.org github group
of: fix clang -Wunsequenced for be32_to_cpu()
of/device.c: fix the wrong comments
dt-bindings: Add isl68137 as a trivial device
dt-bindings: Add ir38064 as a trivial device
of: del redundant type conversion
dt-bindings: mfd: axp20x: Add fallback for axp805
of: Improve of_phandle_iterator_next() error message
dt-bindings: connector: Spelling mistake
dt-bindings: Add schemas for simple-framebuffer
of: address: Add support for the parent DMA bus
of: address: Retrieve a parent through a callback in __of_translate_address
dt-bindings: bus: Add binding for the Allwinner MBUS controller
dt-bindings: interconnect: Add a dma interconnect name
of: use correct function prototype for of_overlay_fdt_apply()
of: reserved_mem: fix reserve memory leak
of: property: Document that of_graph_get_endpoint_by_regs needs of_node_put
...
using Unicode 12.1. Also, the usual largish number of cleanups and bug
fixes.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Add as a feature case-insensitive directories (the casefold feature)
using Unicode 12.1.
Also, the usual largish number of cleanups and bug fixes"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
ext4: export /sys/fs/ext4/feature/casefold if Unicode support is present
ext4: fix ext4_show_options for file systems w/o journal
unicode: refactor the rule for regenerating utf8data.h
docs: ext4.rst: document case-insensitive directories
ext4: Support case-insensitive file name lookups
ext4: include charset encoding information in the superblock
MAINTAINERS: add Unicode subsystem entry
unicode: update unicode database unicode version 12.1.0
unicode: introduce test module for normalized utf8 implementation
unicode: implement higher level API for string handling
unicode: reduce the size of utf8data[]
unicode: introduce code for UTF-8 normalization
unicode: introduce UTF-8 character database
ext4: actually request zeroing of inode table after grow
ext4: cond_resched in work-heavy group loops
ext4: fix use-after-free race with debug_want_extra_isize
ext4: avoid drop reference to iloc.bh twice
ext4: ignore e_value_offs for xattrs with value-in-ea-inode
ext4: protect journal inode's blocks using block_validity
ext4: use BUG() instead of BUG_ON(1)
...
Pull misc vfs updates from Al Viro:
"Assorted stuff, with no common topic whatsoever..."
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
libfs: document simple_get_link()
Documentation/filesystems/Locking: fix ->get_link() prototype
Documentation/filesystems/vfs.txt: document how ->i_link works
Documentation/filesystems/vfs.txt: remove bogus "Last updated" date
fs: use timespec64 in relatime_need_update
fs/block_dev.c: remove unused include
Pull misc dcache updates from Al Viro:
"Most of this pile is putting name length into struct name_snapshot and
making use of it.
The beginning of this series ("ovl_lookup_real_one(): don't bother
with strlen()") ought to have been split in two (separate switch of
name_snapshot to struct qstr from overlayfs reaping the trivial
benefits of that), but I wanted to avoid a rebase - by the time I'd
spotted that it was (a) in -next and (b) close to 5.1-final ;-/"
* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
audit_compare_dname_path(): switch to const struct qstr *
audit_update_watch(): switch to const struct qstr *
inotify_handle_event(): don't bother with strlen()
fsnotify: switch send_to_group() and ->handle_event to const struct qstr *
fsnotify(): switch to passing const struct qstr * for file_name
switch fsnotify_move() to passing const struct qstr * for old_name
ovl_lookup_real_one(): don't bother with strlen()
sysv: bury the broken "quietly truncate the long filenames" logics
nsfs: unobfuscate
unexport d_alloc_pseudo()
Pull parisc updates from Helge Deller:
"Many great new features, fixes and optimizations, including:
- Convert page table updates to use per-pagetable spinlocks which
overall improves performance on SMP machines a lot, by Mikulas
Patocka
- Kernel debugger (KGDB) support, by Sven Schnelle
- KPROBES support, by Sven Schnelle
- Lots of TLB lock/flush improvements, by Dave Anglin
- Drop DISCONTIGMEM and switch to SPARSEMEM
- Added JUMP_LABEL, branch runtime-patching support
- Lots of other small speedups and cleanups, e.g. for QEMU, stack
randomization, avoidance of name clashes, documentation updates,
etc ..."
* 'parisc-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (28 commits)
parisc: Add static branch and JUMP_LABEL feature
parisc: Use PA_ASM_LEVEL in boot code
parisc: Rename LEVEL to PA_ASM_LEVEL to avoid name clash with DRBD code
parisc: Update huge TLB page support to use per-pagetable spinlock
parisc: Use per-pagetable spinlock
parisc: Allow live-patching of __meminit functions
parisc: Add memory barrier to asm pdc and sync instructions
parisc: Add memory clobber to TLB purges
parisc: Use ldcw instruction for SMP spinlock release barrier
parisc: Remove lock code to serialize TLB operations in pacache.S
parisc: Switch from DISCONTIGMEM to SPARSEMEM
parisc: enable wide mode early
parisc: update feature lists
parisc: Show n/a if product number not available
parisc: remove unused flags parameter in __patch_text()
doc: update kprobes supported architecture list
parisc: Implement kretprobes
parisc: remove kprobes.h from generic-y
parisc: Implement kprobes
parisc: add functions required by KPROBE_EVENTS
...
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Merge tag 'for-5.2/block-20190507' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Nothing major in this series, just fixes and improvements all over the
map. This contains:
- Series of fixes for sed-opal (David, Jonas)
- Fixes and performance tweaks for BFQ (via Paolo)
- Set of fixes for bcache (via Coly)
- Set of fixes for md (via Song)
- Enabling multi-page for passthrough requests (Ming)
- Queue release fix series (Ming)
- Device notification improvements (Martin)
- Propagate underlying device rotational status in loop (Holger)
- Removal of mtip32xx trim support, which has been disabled for years
(Christoph)
- Improvement and cleanup of nvme command handling (Christoph)
- Add block SPDX tags (Christoph)
- Cleanup/hardening of bio/bvec iteration (Christoph)
- A few NVMe pull requests (Christoph)
- Removal of CONFIG_LBDAF (Christoph)
- Various little fixes here and there"
* tag 'for-5.2/block-20190507' of git://git.kernel.dk/linux-block: (164 commits)
block: fix mismerge in bvec_advance
block: don't drain in-progress dispatch in blk_cleanup_queue()
blk-mq: move cancel of hctx->run_work into blk_mq_hw_sysfs_release
blk-mq: always free hctx after request queue is freed
blk-mq: split blk_mq_alloc_and_init_hctx into two parts
blk-mq: free hw queue's resource in hctx's release handler
blk-mq: move cancel of requeue_work into blk_mq_release
blk-mq: grab .q_usage_counter when queuing request from plug code path
block: fix function name in comment
nvmet: protect discovery change log event list iteration
nvme: mark nvme_core_init and nvme_core_exit static
nvme: move command size checks to the core
nvme-fabrics: check more command sizes
nvme-pci: check more command sizes
nvme-pci: remove an unneeded variable initialization
nvme-pci: unquiesce admin queue on shutdown
nvme-pci: shutdown on timeout during deletion
nvme-pci: fix psdt field for single segment sgls
nvme-multipath: don't print ANA group state by default
nvme-multipath: split bios with the ns_head bio_set before submitting
...
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Merge tag 'leds-for-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"LED core fixes and improvements:
- avoid races with workqueue
- Kconfig: pedantic cleanup
- small fixes for Flash class description
leds-lt3593:
- remove unneeded assignment in lt3593_led_probe
- drop pdata handling code
leds-blinkm:
- clean up double assignment to data->i2c_addr
leds-pca955x, leds-pca963x:
- revert ACPI support, as it turned out that there is no evidence
of officially registered ACPI IDs for these devices.
- make use of device property API
leds-as3645a:
- switch to fwnode property API
LED related addition to ACPI documentation:
- document how to refer to LEDs from remote nodes
LED related fix to ALSA line6/toneport driver:
- avoid polluting led_* namespace
And lm3532 driver relocation from MFD to LED subsystem, accompanied by
various improvements and optimizations; it entails also a change in
omap4-droid4-xt894.dts:
- leds: lm3532: Introduce the lm3532 LED driver
- mfd: ti-lmu: Remove LM3532 backlight driver references
- ARM: dts: omap4-droid4: Update backlight dt properties
- dt: lm3532: Add lm3532 dt doc and update ti_lmu doc"
* tag 'leds-for-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: avoid races with workqueue
ALSA: line6: Avoid polluting led_* namespace
leds: lm3532: Introduce the lm3532 LED driver
mfd: ti-lmu: Remove LM3532 backlight driver references
ARM: dts: omap4-droid4: Update backlight dt properties
dt: lm3532: Add lm3532 dt doc and update ti_lmu doc
leds: Small fixes for Flash class description
leds: blinkm: clean up double assignment to data->i2c_addr
leds: pca963x: Make use of device property API
leds: pca955x: Make use of device property API
leds: lt3593: Remove unneeded assignment in lt3593_led_probe
leds: lt3593: drop pdata handling code
leds: pca955x: Revert "Add ACPI support"
leds: pca963x: Revert "Add ACPI support"
drivers: leds: Kconfig: pedantic cleanups
ACPI: Document how to refer to LEDs from remote nodes
leds: as3645a: Switch to fwnode property API
Make the structure of "Livepatch module Elf format" document similar
to the main "Livepatch" document.
Also make the structure of "(Un)patching Callbacks" document similar
to the "Shadow Variables" document.
It fixes the most visible inconsistencies of the documentation
generated from the ReST format.
Signed-off-by: Petr Mladek <pmladek@suse.com>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Convert livepatch documentation to ReST format. The changes
are mostly trivial, as the documents are already on a good
shape. Just a few markup changes are needed for Sphinx to
properly parse the docs.
The conversion is actually:
- add blank lines and identation in order to identify paragraphs;
- fix tables markups;
- add some lists markups;
- mark literal blocks;
- The in-file TOC becomes a comment, in order to skip it from the
output, as Sphinx already generates an index there.
- adjust title markups.
At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add initial support for the AT42QT1050 (QT1050) device. The device
supports up to five input keys, dependent on the mode. Since it adds only
the initial support, the "1 to 4 keys plus Guard Channel" mode isn't
supported.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Here is the "real" big set of char/misc driver patches for 5.2-rc1
Loads of different driver subsystem stuff in here, all over the places:
- thunderbolt driver updates
- habanalabs driver updates
- nvmem driver updates
- extcon driver updates
- intel_th driver updates
- mei driver updates
- coresight driver updates
- soundwire driver cleanups and updates
- fastrpc driver updates
- other minor driver updates
- chardev minor fixups
Feels like this tree is getting to be a dumping ground of "small driver
subsystems" these days. Which is fine with me, if it makes things
easier for those subsystem maintainers.
All of these 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 'char-misc-5.2-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc update part 2 from Greg KH:
"Here is the "real" big set of char/misc driver patches for 5.2-rc1
Loads of different driver subsystem stuff in here, all over the places:
- thunderbolt driver updates
- habanalabs driver updates
- nvmem driver updates
- extcon driver updates
- intel_th driver updates
- mei driver updates
- coresight driver updates
- soundwire driver cleanups and updates
- fastrpc driver updates
- other minor driver updates
- chardev minor fixups
Feels like this tree is getting to be a dumping ground of "small
driver subsystems" these days. Which is fine with me, if it makes
things easier for those subsystem maintainers.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.2-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (255 commits)
intel_th: msu: Add current window tracking
intel_th: msu: Add a sysfs attribute to trigger window switch
intel_th: msu: Correct the block wrap detection
intel_th: Add switch triggering support
intel_th: gth: Factor out trace start/stop
intel_th: msu: Factor out pipeline draining
intel_th: msu: Switch over to scatterlist
intel_th: msu: Replace open-coded list_{first,last,next}_entry variants
intel_th: Only report useful IRQs to subdevices
intel_th: msu: Start handling IRQs
intel_th: pci: Use MSI interrupt signalling
intel_th: Communicate IRQ via resource
intel_th: Add "rtit" source device
intel_th: Skip subdevices if their MMIO is missing
intel_th: Rework resource passing between glue layers and core
intel_th: SPDX-ify the documentation
intel_th: msu: Fix single mode with IOMMU
coresight: funnel: Support static funnel
dt-bindings: arm: coresight: Unify funnel DT binding
coresight: replicator: Add new device id for static replicator
...
This is the first pull request for the char/misc driver tree for 5.2-rc1
This contains only a small number of bugfixes that would have gone to
you for 5.1-rc8 if that had happened, but instead I let them sit in
linux-next for an extra week just "to be sure".
The "big" patch here is for hyper-v, fixing a bug in their sysfs files
that could cause big problems. The others are all small fixes,
resolving reported issues that showed up in 5.1-rcs, plus some odd
'static' cleanups for the phy drivers that really should have waited for
-rc1. Most of these are tagged for the stable trees, so 5.1 will pick
them up.
All of these 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 'char-misc-5.2-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc update part 1 from Greg KH:
"This contains only a small number of bugfixes that would have gone to
you for 5.1-rc8 if that had happened, but instead I let them sit in
linux-next for an extra week just "to be sure".
The "big" patch here is for hyper-v, fixing a bug in their sysfs files
that could cause big problems. The others are all small fixes,
resolving reported issues that showed up in 5.1-rcs, plus some odd
'static' cleanups for the phy drivers that really should have waited
for -rc1. Most of these are tagged for the stable trees, so 5.1 will
pick them up.
All of these have been in linux-next for a while, with no reported
issues"
* tag 'char-misc-5.2-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: rtsx: Fixed rts5260 power saving parameter and sd glitch
binder: take read mode of mmap_sem in binder_alloc_free_page()
intel_th: pci: Add Comet Lake support
stm class: Fix channel bitmap on 32-bit systems
stm class: Fix channel free in stm output free path
phy: sun4i-usb: Make sure to disable PHY0 passby for peripheral mode
phy: fix platform_no_drv_owner.cocci warnings
phy: mapphone-mdm6600: add gpiolib dependency
phy: ti: usb2: fix OMAP_CONTROL_PHY dependency
phy: allwinner: allow compile testing
phy: qcom-ufs: Make ufs_qcom_phy_disable_iface_clk static
phy: rockchip-typec: Make usb3_pll_cfg and dp_pll_cfg static
phy: phy-twl4030-usb: Fix cable state handling
Drivers: hv: vmbus: Remove the undesired put_cpu_ptr() in hv_synic_cleanup()
Drivers: hv: vmbus: Fix race condition with new ring_buffer_info mutex
Drivers: hv: vmbus: Set ring_info field to 0 and remove memset
Drivers: hv: vmbus: Refactor chan->state if statement
Drivers: hv: vmbus: Expose monitor data only when monitor pages are used
Here is the big staging and iio driver update for 5.2-rc1.
Lots of tiny fixes all over the staging and IIO driver trees here, along
with some new IIO drivers.
Also we ended up deleting two drivers, making this pull request remove a
few hundred thousand lines of code, always a nice thing to see. Both of
the drivers removed have been replaced with "real" drivers in their
various subsystem directories, and they will be coming to you from those
locations during this merge window.
There are some core vt/selection changes in here, that was due to some
cleanups needed for the speakup fixes. Those have all been acked by the
various subsystem maintainers (i.e. me), so those are ok.
We also added a few new drivers, for some odd hardware, giving new
developers plenty to work on with basic coding style cleanups to come in
the near future.
Other than that, nothing unusual here.
All of these have been in linux-next for a while with no reported
issues, other than an odd gcc warning for one of the new drivers that
should be fixed up soon.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / IIO driver updates from Greg KH:
"Here is the big staging and iio driver update for 5.2-rc1.
Lots of tiny fixes all over the staging and IIO driver trees here,
along with some new IIO drivers.
The "counter" subsystem was added in here as well, as it is needed by
the IIO drivers and subsystem.
Also we ended up deleting two drivers, making this pull request remove
a few hundred thousand lines of code, always a nice thing to see. Both
of the drivers removed have been replaced with "real" drivers in their
various subsystem directories, and they will be coming to you from
those locations during this merge window.
There are some core vt/selection changes in here, that was due to some
cleanups needed for the speakup fixes. Those have all been acked by
the various subsystem maintainers (i.e. me), so those are ok.
We also added a few new drivers, for some odd hardware, giving new
developers plenty to work on with basic coding style cleanups to come
in the near future.
Other than that, nothing unusual here.
All of these have been in linux-next for a while with no reported
issues, other than an odd gcc warning for one of the new drivers that
should be fixed up soon"
[ I fixed up the warning myself - Linus ]
* tag 'staging-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (663 commits)
staging: kpc2000: kpc_spi: Fix build error for {read,write}q
Staging: rtl8192e: Remove extra space before break statement
Staging: rtl8192u: ieee80211: Fix if-else indentation warning
Staging: rtl8192u: ieee80211: Fix indentation errors by removing extra spaces
staging: most: cdev: fix chrdev_region leak in mod_exit
staging: wlan-ng: Fix improper SPDX comment style
staging: rtl8192u: ieee80211: Resolve ERROR reported by checkpatch
staging: vc04_services: bcm2835-camera: Compress two lines into one line
staging: rtl8723bs: core: Use !x in place of NULL comparison.
staging: rtl8723bs: core: Prefer using the BIT Macro.
staging: fieldbus: anybus-s: fix wait_for_completion_timeout return handling
staging: kpc2000: fix up build problems with readq()
staging: rtlwifi: move remaining phydm .h files
staging: rtlwifi: strip down phydm .h files
staging: rtlwifi: delete the staging driver
staging: fieldbus: anybus-s: rename bus id field to avoid confusion
staging: fieldbus: anybus-s: keep device bus id in bus endianness
Staging: sm750fb: Change *array into *const array
staging: rtl8192u: ieee80211: Fix spelling mistake
staging: rtl8192u: ieee80211: Replace bit shifting with BIT macro
...
Update documentation with the "meta_device" parameter and flags.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Here is the "big" set of driver core patches for 5.2-rc1
There are a number of ACPI patches in here as well, as Rafael said they
should go through this tree due to the driver core changes they
required. They have all been acked by the ACPI developers.
There are also a number of small subsystem-specific changes in here, due
to some changes to the kobject core code. Those too have all been acked
by the various subsystem maintainers.
As for content, it's pretty boring outside of the ACPI changes:
- spdx cleanups
- kobject documentation updates
- default attribute groups for kobjects
- other minor kobject/driver core fixes
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 'driver-core-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core/kobject updates from Greg KH:
"Here is the "big" set of driver core patches for 5.2-rc1
There are a number of ACPI patches in here as well, as Rafael said
they should go through this tree due to the driver core changes they
required. They have all been acked by the ACPI developers.
There are also a number of small subsystem-specific changes in here,
due to some changes to the kobject core code. Those too have all been
acked by the various subsystem maintainers.
As for content, it's pretty boring outside of the ACPI changes:
- spdx cleanups
- kobject documentation updates
- default attribute groups for kobjects
- other minor kobject/driver core fixes
All have been in linux-next for a while with no reported issues"
* tag 'driver-core-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (47 commits)
kobject: clean up the kobject add documentation a bit more
kobject: Fix kernel-doc comment first line
kobject: Remove docstring reference to kset
firmware_loader: Fix a typo ("syfs" -> "sysfs")
kobject: fix dereference before null check on kobj
Revert "driver core: platform: Fix the usage of platform device name(pdev->name)"
init/config: Do not select BUILD_BIN2C for IKCONFIG
Provide in-kernel headers to make extending kernel easier
kobject: Improve doc clarity kobject_init_and_add()
kobject: Improve docs for kobject_add/del
driver core: platform: Fix the usage of platform device name(pdev->name)
livepatch: Replace klp_ktype_patch's default_attrs with groups
cpufreq: schedutil: Replace default_attrs field with groups
padata: Replace padata_attr_type default_attrs field with groups
irqdesc: Replace irq_kobj_type's default_attrs field with groups
net-sysfs: Replace ktype default_attrs field with groups
block: Replace all ktype default_attrs with groups
samples/kobject: Replace foo_ktype's default_attrs field with groups
kobject: Add support for default attribute groups to kobj_type
driver core: Postpone DMA tear-down until after devres release for probe failure
...
- Fix a few memoryleaks
- Minor improvements to the card initialization sequence
- Partially support sleepy GPIO controllers for pwrseq eMMC
MMC host:
- alcor: Work with multiple-entry sglists
- alcor: Enable DMA for writes
- meson-gx: Improve tuning support
- meson-gx: Avoid clock glitch when switching to DDR modes
- meson-gx: Disable unreliable HS400 mode
- mmci: Minor updates for support of HW busy detection
- mmci: Support data transfers for the stm32_sdmmc variant
- mmci: Restructure code to better support different variants
- mtk-sd: Add support for version found on MT7620 family SOCs
- mtk-sd: Add support for the MT8516 version
- mtk-sd: Add Chaotian Jing as the maintainer
- sdhci: Reorganize request-code to convert from tasklet to workqueue
- sdhci_am654: Stabilize support for lower speed modes
- sdhci-esdhc-imx: Add HS400 support for iMX7ULP
- sdhci-esdhc-imx: Add support for iMX7ULP version
- sdhci-of-arasan: Allow to disable DCMDs via DT for CQE
- sdhci-of-esdhc: Add support for the ls1028a version
- sdhci-of-esdhc: Several fixups for errata
- sdhci-pci: Fix BYT OCP setting
- sdhci-pci: Add support for Intel CML
- sdhci-tegra: Add support for system suspend/resume
- sdhci-tegra: Add CQE support for Tegra186 WAR
- sdhci-tegra: Add support for Tegra194
- sdhci-tegra: Update HW tuning process
MEMSTICK:
- I volunteered to help as a maintainer for the memstick subsystem, which is
reflected by an update to the MAINTAINERS file. Changes are funneled through
my MMC git and we will use the linux-mmc mailing list.
MEMSTICK host:
- A few minor cleanups
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Merge tag 'mmc-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Fix a few memoryleaks
- Minor improvements to the card initialization sequence
- Partially support sleepy GPIO controllers for pwrseq eMMC
MMC host:
- alcor: Work with multiple-entry sglists
- alcor: Enable DMA for writes
- meson-gx: Improve tuning support
- meson-gx: Avoid clock glitch when switching to DDR modes
- meson-gx: Disable unreliable HS400 mode
- mmci: Minor updates for support of HW busy detection
- mmci: Support data transfers for the stm32_sdmmc variant
- mmci: Restructure code to better support different variants
- mtk-sd: Add support for version found on MT7620 family SOCs
- mtk-sd: Add support for the MT8516 version
- mtk-sd: Add Chaotian Jing as the maintainer
- sdhci: Reorganize request-code to convert from tasklet to workqueue
- sdhci_am654: Stabilize support for lower speed modes
- sdhci-esdhc-imx: Add HS400 support for iMX7ULP
- sdhci-esdhc-imx: Add support for iMX7ULP version
- sdhci-of-arasan: Allow to disable DCMDs via DT for CQE
- sdhci-of-esdhc: Add support for the ls1028a version
- sdhci-of-esdhc: Several fixups for errata
- sdhci-pci: Fix BYT OCP setting
- sdhci-pci: Add support for Intel CML
- sdhci-tegra: Add support for system suspend/resume
- sdhci-tegra: Add CQE support for Tegra186 WAR
- sdhci-tegra: Add support for Tegra194
- sdhci-tegra: Update HW tuning process
MEMSTICK:
- I volunteered to help as a maintainer for the memstick subsystem,
which is reflected by an update to the MAINTAINERS file. Changes
are funneled through my MMC git and we will use the linux-mmc
mailing list.
MEMSTICK host:
- A few minor cleanups"
* tag 'mmc-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (87 commits)
mmc: sdhci-pci: Fix BYT OCP setting
dt-bindings: mmc: add DT bindings for ls1028a eSDHC host controller
mmc: alcor: Drop pointer to mmc_host from alcor_sdmmc_host
mmc: mtk-sd: select REGULATOR
mmc: mtk-sd: enable internal card-detect logic.
mmc: mtk-sd: add support for config found in mt7620 family SOCs.
mmc: mtk-sd: don't hard-code interrupt trigger type
mmc: core: Fix tag set memory leak
dt-bindings: mmc: Add support for MT8516 to mtk-sd
mmc: mmci: Prevent polling for busy detection in IRQ context
mmc: mmci: Cleanup mmci_cmd_irq() for busy detect
mmc: usdhi6rol0: mark expected switch fall-throughs
mmc: core: Verify SD bus width
mmc: sdhci-esdhc-imx: Add HS400 support for iMX7ULP
mmc: sdhci-esdhc-imx: add pm_qos to interact with cpuidle
dt-bindings: mmc: fsl-imx-esdhc: add imx7ulp compatible string
mmc: meson-gx: add signal resampling tuning
mmc: meson-gx: remove Rx phase tuning
mmc: meson-gx: avoid clock glitch when switching to DDR modes
mmc: meson-gx: disable HS400
...
The phy_mode "2000base-x" is actually supposed to be "1000base-x", even
though the commit title of the original patch says otherwise.
Fixes: 55601a8806 ("net: phy: Add 2000base-x, 2500base-x and rxaui modes")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
- Support for Cirrus Logic Lochnagar clks
* clk-hisi:
clk: hi3660: Mark clk_gate_ufs_subsys as critical
* clk-lochnagar:
clk: lochnagar: Add support for the Cirrus Logic Lochnagar
clk: lochnagar: Add initial binding documentation
* clk-allwinner:
clk: sunxi-ng: sun5i: Export the MBUS clock
clk: sunxi-ng: a83t: Add pll-video0 as parent of csi-mclk
clk: sunxi-ng: h6: Allow video & vpu clocks to change parent rate
clk: sunxi-ng: h6: Preset hdmi-cec clock parent
clk: sunxi: Add Kconfig options
clk: sunxi-ng: f1c100s: fix USB PHY gate bit offset
clk: sunxi-ng: Allow DE clock to set parent rate
* clk-rockchip:
clk: rockchip: undo several noc and special clocks as critical on rk3288
clk: rockchip: add a COMPOSITE_DIV_OFFSET clock-type
clk: rockchip: Turn on "aclk_dmac1" for suspend on rk3288
clk: rockchip: Limit use of USB PHY clock to USB on rk3288
clk: rockchip: Fix video codec clocks on rk3288
clk: rockchip: Make rkpwm a critical clock on rk3288
clk: rockchip: fix wrong clock definitions for rk3328
* clk-qoriq:
clk: qoriq: increase array size of cmux_to_group
dt-bindings: qoriq-clock: Add ls1028a chip compatible string
clk: qoriq: Add ls1028a clock configuration
clk: qoriq: add more PLL divider clocks support
dt-bindings: qoriq-clock: add more PLL divider clocks support
- Remove clk_readl() and introduce BE versions of basic clk types
* clk-doc:
clk: Drop duplicate clk_register() documentation
clk: Document and simplify clk_core_get_rate_nolock()
clk: Remove 'flags' member of struct clk_fixed_rate
clk: nxp: Drop 'flags' on fixed_rate clk macro
clk: Document __clk_mux_determine_rate()
clk: Document CLK_MUX_READ_ONLY mux flag
clk: Document deprecated things
clk: Collapse gpio clk kerneldoc
* clk-more-critical:
clk: highbank: Convert to CLK_IS_CRITICAL
* clk-meson: (21 commits)
clk: meson: axg-audio: add g12a support
clk: meson: axg-audio: don't register inputs in the onecell data
clk: meson: axg_audio: replace prefix axg by aud
dt-bindings: clk: axg-audio: add g12a support
clk: meson: meson8b: add the video decoder clock trees
clk: meson: meson8b: add the VPU clock trees
clk: meson: meson8b: add support for the GP_PLL clock on Meson8m2
clk: meson: meson8b: use a separate clock table for Meson8m2
dt-bindings: clock: meson8b: export the video decoder clocks
clk: meson-g12a: add video decoder clocks
dt-bindings: clock: meson8b: export the VPU clock
clk: meson-g12a: add PCIE PLL clocks
dt-bindings: clock: g12a-aoclk: expose CLKID_AO_CTS_OSCIN
clk: meson-pll: add reduced specific clk_ops for G12A PCIe PLL
dt-bindings: clock: meson8b: drop the "ABP" clock definition
clk: meson: g12a: add cpu clocks
dt-bindings: clk: g12a-clkc: add VDEC clock IDs
dt-bindings: clock: axg-audio: unexpose controller inputs
dt-bindings: clk: g12a-clkc: add PCIE PLL clock ID
clk: g12a-aoclk: re-export CLKID_AO_SAR_ADC_SEL clock id
...
* clk-basic-be:
clk: core: replace clk_{readl,writel} with {readl,writel}
clk: core: remove powerpc special handling
powerpc/512x: mark clocks as big endian
clk: mux: add explicit big endian support
clk: multiplier: add explicit big endian support
clk: gate: add explicit big endian support
clk: fractional-divider: add explicit big endian support
clk: divider: add explicit big endian support
Pull vfs stable fodder fixes from Al Viro:
- acct_on() fix for deadlock caught by overlayfs folks
- autofs RCU use-after-free SNAFU (->d_manage() can be called
locklessly, so we need to RCU-delay freeing the objects it looks at)
- (hopefully) the end of "do we need freeing this dentry RCU-delayed"
whack-a-mole.
* 'stable-fodder' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
autofs: fix use-after-free in lockless ->d_manage()
dcache: sort the freeing-without-RCU-delay mess for good.
acct_on(): don't mess with freeze protection
Pull vfs inode freeing updates from Al Viro:
"Introduction of separate method for RCU-delayed part of
->destroy_inode() (if any).
Pretty much as posted, except that destroy_inode() stashes
->free_inode into the victim (anon-unioned with ->i_fops) before
scheduling i_callback() and the last two patches (sockfs conversion
and folding struct socket_wq into struct socket) are excluded - that
pair should go through netdev once davem reopens his tree"
* 'work.icache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (58 commits)
orangefs: make use of ->free_inode()
shmem: make use of ->free_inode()
hugetlb: make use of ->free_inode()
overlayfs: make use of ->free_inode()
jfs: switch to ->free_inode()
fuse: switch to ->free_inode()
ext4: make use of ->free_inode()
ecryptfs: make use of ->free_inode()
ceph: use ->free_inode()
btrfs: use ->free_inode()
afs: switch to use of ->free_inode()
dax: make use of ->free_inode()
ntfs: switch to ->free_inode()
securityfs: switch to ->free_inode()
apparmor: switch to ->free_inode()
rpcpipe: switch to ->free_inode()
bpf: switch to ->free_inode()
mqueue: switch to ->free_inode()
ufs: switch to ->free_inode()
coda: switch to ->free_inode()
...
Pull x86 FPU state handling updates from Borislav Petkov:
"This contains work started by Rik van Riel and brought to fruition by
Sebastian Andrzej Siewior with the main goal to optimize when to load
FPU registers: only when returning to userspace and not on every
context switch (while the task remains in the kernel).
In addition, this optimization makes kernel_fpu_begin() cheaper by
requiring registers saving only on the first invocation and skipping
that in following ones.
What is more, this series cleans up and streamlines many aspects of
the already complex FPU code, hopefully making it more palatable for
future improvements and simplifications.
Finally, there's a __user annotations fix from Jann Horn"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
x86/fpu: Fault-in user stack if copy_fpstate_to_sigframe() fails
x86/pkeys: Add PKRU value to init_fpstate
x86/fpu: Restore regs in copy_fpstate_to_sigframe() in order to use the fastpath
x86/fpu: Add a fastpath to copy_fpstate_to_sigframe()
x86/fpu: Add a fastpath to __fpu__restore_sig()
x86/fpu: Defer FPU state load until return to userspace
x86/fpu: Merge the two code paths in __fpu__restore_sig()
x86/fpu: Restore from kernel memory on the 64-bit path too
x86/fpu: Inline copy_user_to_fpregs_zeroing()
x86/fpu: Update xstate's PKRU value on write_pkru()
x86/fpu: Prepare copy_fpstate_to_sigframe() for TIF_NEED_FPU_LOAD
x86/fpu: Always store the registers in copy_fpstate_to_sigframe()
x86/entry: Add TIF_NEED_FPU_LOAD
x86/fpu: Eager switch PKRU state
x86/pkeys: Don't check if PKRU is zero before writing it
x86/fpu: Only write PKRU if it is different from current
x86/pkeys: Provide *pkru() helpers
x86/fpu: Use a feature number instead of mask in two more helpers
x86/fpu: Make __raw_xsave_addr() use a feature number instead of mask
x86/fpu: Add an __fpregs_load_activate() internal helper
...
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Merge tag 'printk-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
Pull printk updates from Petr Mladek:
- Allow state reset of printk_once() calls.
- Prevent crashes when dereferencing invalid pointers in vsprintf().
Only the first byte is checked for simplicity.
- Make vsprintf warnings consistent and inlined.
- Treewide conversion of obsolete %pf, %pF to %ps, %pF printf
modifiers.
- Some clean up of vsprintf and test_printf code.
* tag 'printk-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
lib/vsprintf: Make function pointer_string static
vsprintf: Limit the length of inlined error messages
vsprintf: Avoid confusion between invalid address and value
vsprintf: Prevent crash when dereferencing invalid pointers
vsprintf: Consolidate handling of unknown pointer specifiers
vsprintf: Factor out %pO handler as kobject_string()
vsprintf: Factor out %pV handler as va_format()
vsprintf: Factor out %p[iI] handler as ip_addr_string()
vsprintf: Do not check address of well-known strings
vsprintf: Consistent %pK handling for kptr_restrict == 0
vsprintf: Shuffle restricted_pointer()
printk: Tie printk_once / printk_deferred_once into .data.once for reset
treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively
lib/test_printf: Switch to bitmap_zalloc()
One small feature was added this release but the bulk of the diffstat
and the changelog comes from the fact that several older drivers got
some fairly hefty reworks and a couple of new drivers were added:
- Support for detailed control of timing around chip selects from
Sowjanya Komatineni.
- A big set of fixes and imrovements for the Tegra114 driver from
Sowjanya Komatineni.
- A big simplification of the GPIO driver from Andrey Smirnov.
- DMA support and fixes for the Freescale LPSPI driver from Clark Wang.
- Fixes and optimizations for the bcm2835aux from Martin Sparl.
- New drivers for Mediatek MT7621 (graduated from staging) and Zynq QSPI.
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Merge tag 'spi-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"One small feature was added this release but the bulk of the diffstat
and the changelog comes from the fact that several older drivers got
some fairly hefty reworks and a couple of new drivers were added:
- Support for detailed control of timing around chip selects from
Sowjanya Komatineni.
- A big set of fixes and imrovements for the Tegra114 driver from
Sowjanya Komatineni.
- A big simplification of the GPIO driver from Andrey Smirnov.
- DMA support and fixes for the Freescale LPSPI driver from Clark
Wang.
- Fixes and optimizations for the bcm2835aux from Martin Sparl.
- New drivers for Mediatek MT7621 (graduated from staging) and Zynq
QSPI"
[ This is a so-called "evil merge" that additionally removes a warning
due to an unused variable 'i' introduced by commit 1dfbf334f1 ("spi:
ep93xx: Convert to use CS GPIO descriptors") - Linus ]
* tag 'spi-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (127 commits)
spi: rspi: Fix handling of QSPI code when transmit and receive
spi: atmel-quadspi: fix crash while suspending
spi: stm32: return the get_irq error
spi: tegra114: fix PIO transfer
spi: pxa2xx: fix SCR (divisor) calculation
spi: Clear SPI_CS_HIGH flag from bad_bits for GPIO chip-select
spi: ep93xx: Convert to use CS GPIO descriptors
spi: AD ASoC: declare missing of table
spi: spi-mem: zynq-qspi: Fix build error on architectures missing readsl/writesl
spi: stm32-qspi: manage the get_irq error case
spi/spi-bcm2835: Split transfers that exceed DLEN
spi: expand mode support
dt-bindings: spi: spi-mt65xx: add support for MT8516
spi: pxa2xx: Add support for Intel Comet Lake
spi/trace: Cap buffer contents at 64 bytes
spi: Release spi_res after finalizing message
spi: Remove warning in spi_split_transfers_maxsize()
spi: Remove one needless transfer speed fall back case
spi: sh-msiof: Document r8a77470 bindings
spi: pxa2xx: use a module softdep for dw_dmac
...
Strictify the language a bit, move things around, make proper
headings, mention pull-up and pull-down, expand unreadable
acronyms etc.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In terms of big picture changes this has been an extremely quiet release
however there's a lot of changes and a fairly big diffstat thanks to a
bunch of small fixes, mainly coming from Axel Lin. Thanks to his work
this release removes code overall even though we've added a new (albiet
fairly small) driver.
Notable things:
- A fix for a long standing issue with locking on error interrupts from
Steve Twiss.
- A new driver for ST Microelectonics STM32 PWR.
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Merge tag 'regulator-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"In terms of big picture changes this has been an extremely quiet
release however there's a lot of changes and a fairly big diffstat
thanks to a bunch of small fixes, mainly coming from Axel Lin. Thanks
to his work this release removes code overall even though we've added
a new (albiet fairly small) driver.
Notable things:
- A fix for a long standing issue with locking on error interrupts
from Steve Twiss.
- A new driver for ST Microelectonics STM32 PWR"
* tag 'regulator-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (134 commits)
regulator: core: simplify return value on suported_voltage
regulator: da9xxx: Switch to SPDX identifier
regulator: stm32-pwr: Remove unneeded .min_uV and .list_volage
regulator: stm32-pwr: Remove unneeded *desc from struct stm32_pwr_reg
regulator: ab3100: Set fixed_uV instead of min_uV for fixed regulators
regulator: ab3100: Constify regulator_ops and ab3100_regulator_desc
regulator: pv880x0: Switch to SPDX identifier
regulator: hi6xxx: Switch to SPDX identifier
regulator: vexpress: Switch to SPDX identifier
regulator: vexpress: Get rid of struct vexpress_regulator
regulator: sky81452: Switch to SPDX identifier
regulator: sky81452: Constify sky81452_reg_ops
regulator: sy8106a: Get rid of struct sy8106a
regulator: core: do not report EPROBE_DEFER as error but as debug
regulator: mt63xx: Switch to SPDX identifier
regulator: fan53555: Switch to SPDX identifier
regulator: fan53555: Clean up unneeded fields from struct fan53555_device_info
regulator: ltc3589: Switch to SPDX identifier
regulator: ltc3589: Get rid of struct ltc3589_regulator
regulator: ltc3589: Convert to use simplified DT parsing
...
Problem:
When a kernel module is compiled as a separate module, some important
information about the kernel module is available via .modinfo section of
the module. In contrast, when the kernel module is compiled into the
kernel, that information is not available.
Information about built-in modules is necessary in the following cases:
1. When it is necessary to find out what additional parameters can be
passed to the kernel at boot time.
2. When you need to know which module names and their aliases are in
the kernel. This is very useful for creating an initrd image.
Proposal:
The proposed patch does not remove .modinfo section with module
information from the vmlinux at the build time and saves it into a
separate file after kernel linking. So, the kernel does not increase in
size and no additional information remains in it. Information is stored
in the same format as in the separate modules (null-terminated string
array). Because the .modinfo section is already exported with a separate
modules, we are not creating a new API.
It can be easily read in the userspace:
$ tr '\0' '\n' < modules.builtin.modinfo
ext4.softdep=pre: crc32c
ext4.license=GPL
ext4.description=Fourth Extended Filesystem
ext4.author=Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others
ext4.alias=fs-ext4
ext4.alias=ext3
ext4.alias=fs-ext3
ext4.alias=ext2
ext4.alias=fs-ext2
md_mod.alias=block-major-9-*
md_mod.alias=md
md_mod.description=MD RAID framework
md_mod.license=GPL
md_mod.parmtype=create_on_open:bool
md_mod.parmtype=start_dirty_degraded:int
...
Co-Developed-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
Acked-by: Jessica Yu <jeyu@kernel.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This Kselftest update for Linux 5.2-rc1 consists of
- fixes to seccomp test, and kselftest framework
- cleanups to remove duplicate header defines
- fixes to efivarfs "make clean" target
- cgroup cleanup path
- Moving the IMA kexec_load selftest to selftests/kexec work from
Mimi Johar and Petr Vorel
- A framework to kselftest for writing kernel test modules addition
from Tobin C. Harding
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Merge tag 'linux-kselftest-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan:
- fixes to seccomp test, and kselftest framework
- cleanups to remove duplicate header defines
- fixes to efivarfs "make clean" target
- cgroup cleanup path
- Moving the IMA kexec_load selftest to selftests/kexec work from Mimi
Johar and Petr Vorel
- A framework to kselftest for writing kernel test modules addition
from Tobin C. Harding
* tag 'linux-kselftest-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (29 commits)
selftests: build and run gpio when output directory is the src dir
selftests/ipc: Fix msgque compiler warnings
selftests/efivarfs: clean up test files from test_create*()
selftests: fix headers_install circular dependency
selftests/kexec: update get_secureboot_mode
selftests/kexec: make kexec_load test independent of IMA being enabled
selftests/kexec: check kexec_load and kexec_file_load are enabled
selftests/kexec: Add missing '=y' to config options
selftests/kexec: kexec_file_load syscall test
selftests/kexec: define "require_root_privileges"
selftests/kexec: define common logging functions
selftests/kexec: define a set of common functions
selftests/kexec: cleanup the kexec selftest
selftests/kexec: move the IMA kexec_load selftest to selftests/kexec
selftests/harness: Add 30 second timeout per test
selftests/seccomp: Handle namespace failures gracefully
selftests: cgroup: fix cleanup path in test_memcg_subtree_control()
selftests: efivarfs: remove the test_create_read file if it was exist
rseq/selftests: Adapt number of threads to the number of detected cpus
lib: Add test module for strscpy_pad
...
Pull crypto update from Herbert Xu:
"API:
- Add support for AEAD in simd
- Add fuzz testing to testmgr
- Add panic_on_fail module parameter to testmgr
- Use per-CPU struct instead multiple variables in scompress
- Change verify API for akcipher
Algorithms:
- Convert x86 AEAD algorithms over to simd
- Forbid 2-key 3DES in FIPS mode
- Add EC-RDSA (GOST 34.10) algorithm
Drivers:
- Set output IV with ctr-aes in crypto4xx
- Set output IV in rockchip
- Fix potential length overflow with hashing in sun4i-ss
- Fix computation error with ctr in vmx
- Add SM4 protected keys support in ccree
- Remove long-broken mxc-scc driver
- Add rfc4106(gcm(aes)) cipher support in cavium/nitrox"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (179 commits)
crypto: ccree - use a proper le32 type for le32 val
crypto: ccree - remove set but not used variable 'du_size'
crypto: ccree - Make cc_sec_disable static
crypto: ccree - fix spelling mistake "protedcted" -> "protected"
crypto: caam/qi2 - generate hash keys in-place
crypto: caam/qi2 - fix DMA mapping of stack memory
crypto: caam/qi2 - fix zero-length buffer DMA mapping
crypto: stm32/cryp - update to return iv_out
crypto: stm32/cryp - remove request mutex protection
crypto: stm32/cryp - add weak key check for DES
crypto: atmel - remove set but not used variable 'alg_name'
crypto: picoxcell - Use dev_get_drvdata()
crypto: crypto4xx - get rid of redundant using_sd variable
crypto: crypto4xx - use sync skcipher for fallback
crypto: crypto4xx - fix cfb and ofb "overran dst buffer" issues
crypto: crypto4xx - fix ctr-aes missing output IV
crypto: ecrdsa - select ASN1 and OID_REGISTRY for EC-RDSA
crypto: ux500 - use ccflags-y instead of CFLAGS_<basename>.o
crypto: ccree - handle tee fips error during power management resume
crypto: ccree - add function to handle cryptocell tee fips error
...
- Add driver for Intersil ISL68137 PWM Controller
- Add driver for Lochnagar 2
- Add driver for Infineon IR38064 Voltage Regulator
- Add support for TMP75B to lm75 driver
- Convert documentation to ReST format
- Use request_muxed_region for Super-IO accesses in several drivers
- Add 'samples' attribute to ABI, and start using it
- Add support for custom sysfs attributes to pmbus drivers
(used in ISL68137 driver)
- Introduce HWMON_CHANNEL_INFO macro
- Automated changes:
- Use permission specific [SENSOR_][DEVICE_]ATTR variants
- Fix build warnings due to unused of_device_id structures
- Use HWMON_CHANNEL_INFO macro
- Various minor improvements and fixes
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Merge tag 'hwmon-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- Add driver for Intersil ISL68137 PWM Controller
- Add driver for Lochnagar 2
- Add driver for Infineon IR38064 Voltage Regulator
- Add support for TMP75B to lm75 driver
- Convert documentation to ReST format
- Use request_muxed_region for Super-IO accesses in several drivers
- Add 'samples' attribute to ABI, and start using it
- Add support for custom sysfs attributes to pmbus drivers (used in
ISL68137 driver)
- Introduce HWMON_CHANNEL_INFO macro
- Automated changes:
- Use permission specific [SENSOR_][DEVICE_]ATTR variants
- Fix build warnings due to unused of_device_id structures
- Use HWMON_CHANNEL_INFO macro
- Various minor improvements and fixes
* tag 'hwmon-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (125 commits)
hwmon: (lm75) Add support for TMP75B
dt-bindings: hwmon: Add tmp75b to lm75.txt
hwmon: (s3c) Use dev_get_drvdata()
hwmon: (max6650) Drop call to thermal_cdev_update
docs: hwmon: remove the extension from .rst files
docs: hwmon: convert three docs to ReST format
hwmon: (max6650) add thermal cooling device capability
hwmon: (ina3221) Add voltage conversion time settings
hwmon: (ina3221) Do not read-back to cache reg_config
docs: hwmon: Add an index file and rename docs to *.rst
docs: hwmon: convert remaining files to ReST format
docs: hwmon: misc files: convert to ReST format
docs: hwmon: pmbus files: convert to ReST format
docs: hwmon: k8temp, w83793: convert to ReST format
docs: hwmon: da9052, da9055: convert to ReST format
docs: hwmon: wm831x, wm8350: convert to ReST format
docs: hwmon: dme1737, vt1211: convert to ReST format
docs: hwmon: ads1015: convert to ReST format
docs: hwmon: asc7621: convert to ReST format
docs: hwmon: ibmpowernv: convert to ReST format
...
* skx_*: Librarize it so that it can be shared between drivers (Qiuxu Zhuo)
* altera: Stratix10 improvements (Thor Thayer)
* The usual round of fixes, fixlets and cleanups
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Merge tag 'edac_for_5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
- amd64_edac: Family 0x17, models 0x30-.. enablement (Yazen Ghannam)
- skx_*: Librarize it so that it can be shared between drivers (Qiuxu Zhuo)
- altera: Stratix10 improvements (Thor Thayer)
- The usual round of fixes, fixlets and cleanups
* tag 'edac_for_5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
Revert "EDAC/amd64: Support more than two controllers for chip select handling"
arm64: dts: stratix10: Use new Stratix10 EDAC bindings
Documentation: dt: edac: Add Stratix10 Peripheral bindings
Documentation: dt: edac: Fix Stratix10 IRQ bindings
EDAC/altera, firmware/intel: Add Stratix10 ECC DBE SMC call
EDAC/altera: Initialize peripheral FIFOs in probe()
EDAC/altera: Do less intrusive error injection
EDAC/amd64: Adjust printed chip select sizes when interleaved
EDAC/amd64: Support more than two controllers for chip select handling
EDAC/amd64: Recognize x16 symbol size
EDAC/amd64: Set maximum channel layer size depending on family
EDAC/amd64: Support more than two Unified Memory Controllers
EDAC/amd64: Use a macro for iterating over Unified Memory Controllers
EDAC/amd64: Add Family 17h Model 30h PCI IDs
MAINTAINERS: Add entry for EDAC-I10NM
MAINTAINERS: Update entry for EDAC-SKYLAKE
EDAC, altera: Fix S10 Double Bit Error Notification
EDAC, skx, i10nm: Make skx_common.c a pure library
Ian Kent