Commit Graph

55843 Commits

Author SHA1 Message Date
Jakub Kicinski c59400a68c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-02-03 17:36:16 -08:00
Linus Torvalds eb2eb5161c Networking fixes for 5.17-rc3, including fixes from bpf, netfilter,
and ieee802154.
 
 Current release - regressions:
 
  - Partially revert "net/smc: Add netlink net namespace support",
    fix uABI breakage
 
  - netfilter:
      - nft_ct: fix use after free when attaching zone template
      - nft_byteorder: track register operations
 
 Previous releases - regressions:
 
  - ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
 
  - phy: qca8081: fix speeds lower than 2.5Gb/s
 
  - sched: fix use-after-free in tc_new_tfilter()
 
 Previous releases - always broken:
 
  - tcp: fix mem under-charging with zerocopy sendmsg()
 
  - tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
 
  - neigh: do not trigger immediate probes on NUD_FAILED from
    neigh_managed_work, avoid a deadlock
 
  - bpf: use VM_MAP instead of VM_ALLOC for ringbuf, avoid KASAN
    false-positives
 
  - netfilter: nft_reject_bridge: fix for missing reply from prerouting
 
  - smc: forward wakeup to smc socket waitqueue after fallback
 
  - ieee802154:
      - return meaningful error codes from the netlink helpers
      - mcr20a: fix lifs/sifs periods
      - at86rf230, ca8210: stop leaking skbs on error paths
 
  - macsec: add missing un-offload call for NETDEV_UNREGISTER of parent
 
  - ax25: add refcount in ax25_dev to avoid UAF bugs
 
  - eth: mlx5e:
      - fix SFP module EEPROM query
      - fix broken SKB allocation in HW-GRO
      - IPsec offload: fix tunnel mode crypto for non-TCP/UDP flows
 
  - eth: amd-xgbe:
      - fix skb data length underflow
      - ensure reset of the tx_timer_active flag, avoid Tx timeouts
 
  - eth: stmmac: fix runtime pm use in stmmac_dvr_remove()
 
  - eth: e1000e: handshake with CSME starts from Alder Lake platforms
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, netfilter, and ieee802154.

  Current release - regressions:

   - Partially revert "net/smc: Add netlink net namespace support", fix
     uABI breakage

   - netfilter:
      - nft_ct: fix use after free when attaching zone template
      - nft_byteorder: track register operations

  Previous releases - regressions:

   - ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback

   - phy: qca8081: fix speeds lower than 2.5Gb/s

   - sched: fix use-after-free in tc_new_tfilter()

  Previous releases - always broken:

   - tcp: fix mem under-charging with zerocopy sendmsg()

   - tcp: add missing tcp_skb_can_collapse() test in
     tcp_shift_skb_data()

   - neigh: do not trigger immediate probes on NUD_FAILED from
     neigh_managed_work, avoid a deadlock

   - bpf: use VM_MAP instead of VM_ALLOC for ringbuf, avoid KASAN
     false-positives

   - netfilter: nft_reject_bridge: fix for missing reply from prerouting

   - smc: forward wakeup to smc socket waitqueue after fallback

   - ieee802154:
      - return meaningful error codes from the netlink helpers
      - mcr20a: fix lifs/sifs periods
      - at86rf230, ca8210: stop leaking skbs on error paths

   - macsec: add missing un-offload call for NETDEV_UNREGISTER of parent

   - ax25: add refcount in ax25_dev to avoid UAF bugs

   - eth: mlx5e:
      - fix SFP module EEPROM query
      - fix broken SKB allocation in HW-GRO
      - IPsec offload: fix tunnel mode crypto for non-TCP/UDP flows

   - eth: amd-xgbe:
      - fix skb data length underflow
      - ensure reset of the tx_timer_active flag, avoid Tx timeouts

   - eth: stmmac: fix runtime pm use in stmmac_dvr_remove()

   - eth: e1000e: handshake with CSME starts from Alder Lake platforms"

* tag 'net-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
  ax25: fix reference count leaks of ax25_dev
  net: stmmac: ensure PTP time register reads are consistent
  net: ipa: request IPA register values be retained
  dt-bindings: net: qcom,ipa: add optional qcom,qmp property
  tools/resolve_btfids: Do not print any commands when building silently
  bpf: Use VM_MAP instead of VM_ALLOC for ringbuf
  net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work
  tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
  net: sparx5: do not refer to skb after passing it on
  Partially revert "net/smc: Add netlink net namespace support"
  net/mlx5e: Avoid field-overflowing memcpy()
  net/mlx5e: Use struct_group() for memcpy() region
  net/mlx5e: Avoid implicit modify hdr for decap drop rule
  net/mlx5e: IPsec: Fix tunnel mode crypto offload for non TCP/UDP traffic
  net/mlx5e: IPsec: Fix crypto offload for non TCP/UDP encapsulated traffic
  net/mlx5e: Don't treat small ceil values as unlimited in HTB offload
  net/mlx5: E-Switch, Fix uninitialized variable modact
  net/mlx5e: Fix handling of wrong devices during bond netevent
  net/mlx5e: Fix broken SKB allocation in HW-GRO
  net/mlx5e: Fix wrong calculation of header index in HW_GRO
  ...
2022-02-03 16:54:18 -08:00
Linus Torvalds 25b20ae815 linux-kselftest-fixes-5.17-rc3
This Kselftest fixes update for Linux 5.17-rc3 consists of important
 fixes to several tests and documentation clarification on running
 mainline kselftest on stable releases. A few notable fixes:
 
 - fix kselftest run hang due to child processes that haven't been
   terminated. Fix signals all child processes
 - fix false pass/fail results from vdso_test_abi, openat2, mincore
 - build failures when using -j (multiple jobs) option
 - exec test build failure due to incorrect build rule for a run-time
   created "pipe"
 - zram test fixes related to interaction with zram-generator to
   make sure zram test to coordinate deleted with zram-generator
 - zram test compression ratio calculation fix and skipping
   max_comp_streams.
 - increasing rtc test timeout
 - cpufreq test to write test results to stdout which will necessary on
   automated test systems
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Merge tag 'linux-kselftest-fixes-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest fixes from Shuah Khan:
 "Important fixes to several tests and documentation clarification on
  running mainline kselftest on stable releases. A few notable fixes:

   - fix kselftest run hang due to child processes that haven't been
     terminated. Fix signals all child processes

   - fix false pass/fail results from vdso_test_abi, openat2, mincore

   - build failures when using -j (multiple jobs) option

   - exec test build failure due to incorrect build rule for a run-time
     created "pipe"

   - zram test fixes related to interaction with zram-generator to make
     sure zram test to coordinate deleted with zram-generator

   - zram test compression ratio calculation fix and skipping
     max_comp_streams.

   - increasing rtc test timeout

   - cpufreq test to write test results to stdout which will necessary
     on automated test systems"

* tag 'linux-kselftest-fixes-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kselftest: Fix vdso_test_abi return status
  selftests: skip mincore.check_file_mmap when fs lacks needed support
  selftests: openat2: Skip testcases that fail with EOPNOTSUPP
  selftests: openat2: Add missing dependency in Makefile
  selftests: openat2: Print also errno in failure messages
  selftests: futex: Use variable MAKE instead of make
  selftests/exec: Remove pipe from TEST_GEN_FILES
  selftests/zram: Adapt the situation that /dev/zram0 is being used
  selftests/zram01.sh: Fix compression ratio calculation
  selftests/zram: Skip max_comp_streams interface on newer kernel
  docs/kselftest: clarify running mainline tests on stables
  kselftest: signal all child processes
  selftests: cpufreq: Write test output to stdout as well
  selftests: rtc: Increase test timeout so that all tests run
2022-02-03 16:36:26 -08:00
Alex Elder ac62a0174d dt-bindings: net: qcom,ipa: add optional qcom,qmp property
For some systems, the IPA driver must make a request to ensure that
its registers are retained across power collapse of the IPA hardware.
On such systems, we'll use the existence of the "qcom,qmp" property
as a signal that this request is required.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-02-03 08:03:20 -08:00
Linus Torvalds 9f7fb8de5d spi: Fixes for v5.17
There are quite a few fixes that have accumilated since the merge window
 here, all driver specific and none super urgent, plus a new device ID
 for the Rockchip driver.
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Merge tag 'spi-fix-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "There are quite a few fixes that have accumilated since the merge
  window here, all driver specific and none super urgent, plus a new
  device ID for the Rockchip driver"

* tag 'spi-fix-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: mediatek: Avoid NULL pointer crash in interrupt
  spi: dt-bindings: Fix 'reg' child node schema
  spi: bcm-qspi: check for valid cs before applying chip select
  spi: uniphier: fix reference count leak in uniphier_spi_probe()
  spi: meson-spicc: add IRQ check in meson_spicc_probe
  spi: uniphier: Fix a bug that doesn't point to private data correctly
  spi: change clk_disable_unprepare to clk_unprepare
  spi: spi-rockchip: Add rk3568-spi compatible
  spi: stm32: make SPI_MASTER_MUST_TX flags only specific to STM32F4
  spi: stm32: remove inexistant variables in struct stm32_spi_cfg comment
  spi: stm32-qspi: Update spi registering
2022-02-01 12:39:37 -08:00
Horatiu Vultur 2f92512e1c dt-bindings: net: lan966x: Extend with the ptp interrupt
Extend dt-bindings for lan966x with ptp interrupt. This is generated
when doing 2-step timestamping and the timestamp can be read from the
FIFO.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-02-01 14:18:43 +00:00
Akhmat Karakotov 2127324a7d txhash: Add txrehash sysctl description
Update Documentation/admin-guide/sysctl/net.rst with txrehash usage
description.

Signed-off-by: Akhmat Karakotov <hmukos@yandex-team.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-31 15:05:25 +00:00
Linus Torvalds c5fe9de790 - Drop an unused private data field in the AIC driver
- Various fixes to the realtek-rtl driver
 
 - Make the GICv3 ITS driver compile again in !SMP configurations
 
 - Force reset of the GICv3 ITSs at probe time to avoid issues during kexec
 
 - Yet another kfree/bitmap_free conversion
 
 - Various DT updates (Renesas, SiFive)
 
 (from Marc Zyngier)
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Merge tag 'irq_urgent_for_v5.17_rc2_p2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Borislav Petkov:

 - Drop an unused private data field in the AIC driver

 - Various fixes to the realtek-rtl driver

 - Make the GICv3 ITS driver compile again in !SMP configurations

 - Force reset of the GICv3 ITSs at probe time to avoid issues during kexec

 - Yet another kfree/bitmap_free conversion

 - Various DT updates (Renesas, SiFive)

* tag 'irq_urgent_for_v5.17_rc2_p2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  dt-bindings: interrupt-controller: sifive,plic: Group interrupt tuples
  dt-bindings: interrupt-controller: sifive,plic: Fix number of interrupts
  dt-bindings: irqchip: renesas-irqc: Add R-Car V3U support
  irqchip/gic-v3-its: Reset each ITS's BASERn register before probe
  irqchip/gic-v3-its: Fix build for !SMP
  irqchip/loongson-pch-ms: Use bitmap_free() to free bitmap
  irqchip/realtek-rtl: Service all pending interrupts
  irqchip/realtek-rtl: Fix off-by-one in routing
  irqchip/realtek-rtl: Map control data to virq
  irqchip/apple-aic: Drop unused ipi_hwirq field
2022-01-30 15:12:02 +02:00
Thomas Gleixner 243d308037 irqchip fixes for 5.17, take #1
- Drop an unused private data field in the AIC driver
 
 - Various fixes to the realtek-rtl driver
 
 - Make the GICv3 ITS driver compile again in !SMP configurations
 
 - Force reset of the GICv3 ITSs at probe time to avoid issues during kexec
 
 - Yet another kfree/bitmap_free conversion
 
 - Various DT updates (Renesas, SiFive)
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Merge tag 'irqchip-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent

Pull irqchip fixes from Marc Zyngier:

  - Drop an unused private data field in the AIC driver

  - Various fixes to the realtek-rtl driver

  - Make the GICv3 ITS driver compile again in !SMP configurations

  - Force reset of the GICv3 ITSs at probe time to avoid issues during kexec

  - Yet another kfree/bitmap_free conversion

  - Various DT updates (Renesas, SiFive)

Link: https://lore.kernel.org/r/20220128174217.517041-1-maz@kernel.org
2022-01-29 21:03:20 +01:00
Robert Hancock f4ea385a16 dt-bindings: net: cdns,macb: added generic PHY and reset mappings for ZynqMP
Updated macb DT binding documentation to reflect the phy-names, phys,
resets, reset-names properties which are now used with ZynqMP GEM
devices, and added a ZynqMP-specific DT example.

Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-29 17:49:21 +00:00
Linus Torvalds 4cd90083d3 gpio fixes for v5.17-rc2
- fix a bug with hogs not being set-up in gpio-sim when user-space sets the
   chip label to an empty string
 - include the gpio-sim documentation in the index
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Merge tag 'gpio-fixes-for-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:
 "Two fixes for the gpio-simulator:

   - fix a bug with hogs not being set-up in gpio-sim when user-space
     sets the chip label to an empty string

   - include the gpio-sim documentation in the index"

* tag 'gpio-fixes-for-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: sim: add doc file to index file
  gpio: sim: check the label length when setting up device properties
2022-01-29 15:45:33 +02:00
Linus Torvalds 216e2aede2 arm64 fixes:
- Errata workarounds for Cortex-A510: broken hardware dirty bit
   management, detection code for the TRBE (tracing) bugs with the actual
   fixes going in via the CoreSight tree.
 
 - Cortex-X2 errata handling for TRBE (inheriting the workarounds from
   Cortex-A710).
 
 - Fix ex_handler_load_unaligned_zeropad() to use the correct struct
   members.
 
 - A couple of kselftest fixes for FPSIMD.
 
 - Silence the vdso "no previous prototype" warning.
 
 - Mark start_backtrace() notrace and NOKPROBE_SYMBOL.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Errata workarounds for Cortex-A510: broken hardware dirty bit
   management, detection code for the TRBE (tracing) bugs with the
   actual fixes going in via the CoreSight tree.

 - Cortex-X2 errata handling for TRBE (inheriting the workarounds from
   Cortex-A710).

 - Fix ex_handler_load_unaligned_zeropad() to use the correct struct
   members.

 - A couple of kselftest fixes for FPSIMD.

 - Silence the vdso "no previous prototype" warning.

 - Mark start_backtrace() notrace and NOKPROBE_SYMBOL.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: cpufeature: List early Cortex-A510 parts as having broken dbm
  kselftest/arm64: Correct logging of FPSIMD register read via ptrace
  kselftest/arm64: Skip VL_INHERIT tests for unsupported vector types
  arm64: errata: Add detection for TRBE trace data corruption
  arm64: errata: Add detection for TRBE invalid prohibited states
  arm64: errata: Add detection for TRBE ignored system register writes
  arm64: Add Cortex-A510 CPU part definition
  arm64: extable: fix load_unaligned_zeropad() reg indices
  arm64: Mark start_backtrace() notrace and NOKPROBE_SYMBOL
  arm64: errata: Update ARM64_ERRATUM_[2119858|2224489] with Cortex-X2 ranges
  arm64: Add Cortex-X2 CPU part definition
  arm64: vdso: Fix "no previous prototype" warning
2022-01-29 08:57:22 +02:00
Linus Torvalds 246e179d63 A few documentation fixes for 5.17
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Merge tag 'docs-5.17-3' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A few documentation fixes for 5.17"

* tag 'docs-5.17-3' of git://git.lwn.net/linux:
  docs/vm: Fix typo in *harden*
  Documentation: arm: marvell: Extend Avanta list
  docs: fix typo in Documentation/kernel-hacking/locking.rst
  docs: Hook the RTLA documents into the kernel docs build
2022-01-29 08:27:28 +02:00
Geert Uytterhoeven c89e5eb7dc dt-bindings: interrupt-controller: sifive,plic: Group interrupt tuples
To improve human readability and enable automatic validation, the tuples
in "interrupts-extended" properties should be grouped using angle
brackets.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/211705e74a2ce77de43d036c5dea032484119bf7.1643360419.git.geert@linux-m68k.org
2022-01-28 17:27:26 +00:00
Geert Uytterhoeven 8fbc16d26d dt-bindings: interrupt-controller: sifive,plic: Fix number of interrupts
The number of interrupts lacks an upper bound, thus assuming one,
causing properly grouped "interrupts-extended" properties to be flagged
as an error by "make dtbs_check".

Fix this by adding the missing "maxItems", using the architectural
maximum of 15872 interrupts.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/f73a0aead89e1426b146c4c64f797aa035868bf0.1643360419.git.geert@linux-m68k.org
2022-01-28 17:27:26 +00:00
Geert Uytterhoeven e8cc7a5d1a dt-bindings: irqchip: renesas-irqc: Add R-Car V3U support
Document support for the Interrupt Controller for External Devices
(INT-EC) in the Renesas R-Car V3U (r8a779a0) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/85b246cc0792663c72c1bb12a8576bd23d2299d3.1643200256.git.geert+renesas@glider.be
2022-01-28 17:22:17 +00:00
Linus Torvalds 3cd7cd8a62 Two larger x86 series:
* Redo incorrect fix for SEV/SMAP erratum
 
 * Windows 11 Hyper-V workaround
 
 Other x86 changes:
 
 * Various x86 cleanups
 
 * Re-enable access_tracking_perf_test
 
 * Fix for #GP handling on SVM
 
 * Fix for CPUID leaf 0Dh in KVM_GET_SUPPORTED_CPUID
 
 * Fix for ICEBP in interrupt shadow
 
 * Avoid false-positive RCU splat
 
 * Enable Enlightened MSR-Bitmap support for real
 
 ARM:
 
 * Correctly update the shadow register on exception injection when
 running in nVHE mode
 
 * Correctly use the mm_ops indirection when performing cache invalidation
 from the page-table walker
 
 * Restrict the vgic-v3 workaround for SEIS to the two known broken
 implementations
 
 Generic code changes:
 
 * Dead code cleanup
 
 There will be another pull request for ARM fixes next week, but
 those patches need a bit more soak time.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Two larger x86 series:

   - Redo incorrect fix for SEV/SMAP erratum

   - Windows 11 Hyper-V workaround

  Other x86 changes:

   - Various x86 cleanups

   - Re-enable access_tracking_perf_test

   - Fix for #GP handling on SVM

   - Fix for CPUID leaf 0Dh in KVM_GET_SUPPORTED_CPUID

   - Fix for ICEBP in interrupt shadow

   - Avoid false-positive RCU splat

   - Enable Enlightened MSR-Bitmap support for real

  ARM:

   - Correctly update the shadow register on exception injection when
     running in nVHE mode

   - Correctly use the mm_ops indirection when performing cache
     invalidation from the page-table walker

   - Restrict the vgic-v3 workaround for SEIS to the two known broken
     implementations

  Generic code changes:

   - Dead code cleanup"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (43 commits)
  KVM: eventfd: Fix false positive RCU usage warning
  KVM: nVMX: Allow VMREAD when Enlightened VMCS is in use
  KVM: nVMX: Implement evmcs_field_offset() suitable for handle_vmread()
  KVM: nVMX: Rename vmcs_to_field_offset{,_table}
  KVM: nVMX: eVMCS: Filter out VM_EXIT_SAVE_VMX_PREEMPTION_TIMER
  KVM: nVMX: Also filter MSR_IA32_VMX_TRUE_PINBASED_CTLS when eVMCS
  selftests: kvm: check dynamic bits against KVM_X86_XCOMP_GUEST_SUPP
  KVM: x86: add system attribute to retrieve full set of supported xsave states
  KVM: x86: Add a helper to retrieve userspace address from kvm_device_attr
  selftests: kvm: move vm_xsave_req_perm call to amx_test
  KVM: x86: Sync the states size with the XCR0/IA32_XSS at, any time
  KVM: x86: Update vCPU's runtime CPUID on write to MSR_IA32_XSS
  KVM: x86: Keep MSR_IA32_XSS unchanged for INIT
  KVM: x86: Free kvm_cpuid_entry2 array on post-KVM_RUN KVM_SET_CPUID{,2}
  KVM: nVMX: WARN on any attempt to allocate shadow VMCS for vmcs02
  KVM: selftests: Don't skip L2's VMCALL in SMM test for SVM guest
  KVM: x86: Check .flags in kvm_cpuid_check_equal() too
  KVM: x86: Forcibly leave nested virt when SMM state is toggled
  KVM: SVM: drop unnecessary code in svm_hv_vmcb_dirty_nested_enlightenments()
  KVM: SVM: hyper-v: Enable Enlightened MSR-Bitmap support for real
  ...
2022-01-28 19:00:26 +02:00
James Morse 297ae1eb23 arm64: cpufeature: List early Cortex-A510 parts as having broken dbm
Versions of Cortex-A510 before r0p3 are affected by a hardware erratum
where the hardware update of the dirty bit is not correctly ordered.

Add these cpus to the cpu_has_broken_dbm list.

Signed-off-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20220125154040.549272-3-james.morse@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-01-28 16:15:46 +00:00
Catalin Marinas df20597044 coresight: trbe: Workaround Cortex-A510 erratas
This pull request is providing arm64 definitions to support
 TRBE Cortex-A510 erratas.
 
 Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Merge tag 'trbe-cortex-a510-errata' of gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux into for-next/fixes

coresight: trbe: Workaround Cortex-A510 erratas

This pull request is providing arm64 definitions to support
TRBE Cortex-A510 erratas.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

* tag 'trbe-cortex-a510-errata' of gitolite.kernel.org:pub/scm/linux/kernel/git/coresight/linux:
  arm64: errata: Add detection for TRBE trace data corruption
  arm64: errata: Add detection for TRBE invalid prohibited states
  arm64: errata: Add detection for TRBE ignored system register writes
  arm64: Add Cortex-A510 CPU part definition
2022-01-28 16:14:06 +00:00
Jakub Kicinski 9690ae6042 ethtool: add header/data split indication
For applications running on a mix of platforms it's useful
to have a clear indication whether host's NIC supports the
geometry requirements of TCP zero-copy. TCP zero-copy Rx
requires data to be neatly placed into memory pages.
Most NICs can't do that.

This patch is adding GET support only, since the NICs
I work with either always have the feature enabled or
enable it whenever MTU is set to jumbo. In other words
I don't need SET. But adding set should be trivial.
(The only note on SET is that we will likely want
the setting to be "sticky" and use 0 / `unknown`
to reset it back to driver default.)

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-28 14:43:47 +00:00
Robert Hancock eccfecfe58 net: dsa: microchip: Document property to disable reference clock
Document the new microchip,synclko-disable property which can be
specified to disable the reference clock output from the device if not
required by the board design.

Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-28 14:39:44 +00:00
Rob Herring 60b1e97140
spi: dt-bindings: Fix 'reg' child node schema
The schema for SPI child nodes' 'reg' property is not complete. 'reg' is
a matrix of cells. The schema needs to define both the number of 'reg'
entries and constraints on each entry.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220126231326.1636199-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-01-28 13:05:21 +00:00
Paolo Bonzini dd6e631220 KVM: x86: add system attribute to retrieve full set of supported xsave states
Because KVM_GET_SUPPORTED_CPUID is meant to be passed (by simple-minded
VMMs) to KVM_SET_CPUID2, it cannot include any dynamic xsave states that
have not been enabled.  Probing those, for example so that they can be
passed to ARCH_REQ_XCOMP_GUEST_PERM, requires a new ioctl or arch_prctl.
The latter is in fact worse, even though that is what the rest of the
API uses, because it would require supported_xcr0 to be moved from the
KVM module to the kernel just for this use.  In addition, the value
would be nonsensical (or an error would have to be returned) until
the KVM module is loaded in.

Therefore, to limit the growth of system ioctls, add a /dev/kvm
variant of KVM_{GET,HAS}_DEVICE_ATTR, and implement it in x86
with just one group (0) and attribute (KVM_X86_XCOMP_GUEST_SUPP).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-01-28 07:33:32 -05:00
Jakub Kicinski 72d044e4bf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-27 12:54:16 -08:00
Anshuman Khandual 708e8af492 arm64: errata: Add detection for TRBE trace data corruption
TRBE implementations affected by Arm erratum #1902691 might corrupt trace
data or deadlock, when it's being written into the memory. So effectively
TRBE is broken and hence cannot be used to capture trace data. This adds
a new errata ARM64_ERRATUM_1902691 in arm64 errata framework.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-doc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/1643120437-14352-5-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2022-01-27 12:01:53 -07:00
Anshuman Khandual 3bd94a8759 arm64: errata: Add detection for TRBE invalid prohibited states
TRBE implementations affected by Arm erratum #2038923 might get TRBE into
an inconsistent view on whether trace is prohibited within the CPU. As a
result, the trace buffer or trace buffer state might be corrupted. This
happens after TRBE buffer has been enabled by setting TRBLIMITR_EL1.E,
followed by just a single context synchronization event before execution
changes from a context, in which trace is prohibited to one where it isn't,
or vice versa. In these mentioned conditions, the view of whether trace is
prohibited is inconsistent between parts of the CPU, and the trace buffer
or the trace buffer state might be corrupted. This adds a new errata
ARM64_ERRATUM_2038923 in arm64 errata framework.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-doc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/1643120437-14352-4-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2022-01-27 12:01:53 -07:00
Anshuman Khandual 607a9afaae arm64: errata: Add detection for TRBE ignored system register writes
TRBE implementations affected by Arm erratum #2064142 might fail to write
into certain system registers after the TRBE has been disabled. Under some
conditions after TRBE has been disabled, writes into certain TRBE registers
TRBLIMITR_EL1, TRBPTR_EL1, TRBBASER_EL1, TRBSR_EL1 and TRBTRG_EL1 will be
ignored and not be effected. This adds a new errata ARM64_ERRATUM_2064142
in arm64 errata framework.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-doc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/1643120437-14352-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2022-01-27 12:01:53 -07:00
Linus Torvalds 23a46422c5 Networking fixes for 5.17-rc2, including fixes from netfilter and can.
Current release - new code bugs:
 
  - tcp: add a missing sk_defer_free_flush() in tcp_splice_read()
 
  - tcp: add a stub for sk_defer_free_flush(), fix CONFIG_INET=n
 
  - nf_tables: set last expression in register tracking area
 
  - nft_connlimit: fix memleak if nf_ct_netns_get() fails
 
  - mptcp: fix removing ids bitmap setting
 
  - bonding: use rcu_dereference_rtnl when getting active slave
 
  - fix three cases of sleep in atomic context in drivers: lan966x, gve
 
  - handful of build fixes for esoteric drivers after netdev->dev_addr
    was made const
 
 Previous releases - regressions:
 
  - revert "ipv6: Honor all IPv6 PIO Valid Lifetime values", it broke
    Linux compatibility with USGv6 tests
 
  - procfs: show net device bound packet types
 
  - ipv4: fix ip option filtering for locally generated fragments
 
  - phy: broadcom: hook up soft_reset for BCM54616S
 
 Previous releases - always broken:
 
  - ipv4: raw: lock the socket in raw_bind()
 
  - ipv4: decrease the use of shared IPID generator to decrease the
    chance of attackers guessing the values
 
  - procfs: fix cross-netns information leakage in /proc/net/ptype
 
  - ethtool: fix link extended state for big endian
 
  - bridge: vlan: fix single net device option dumping
 
  - ping: fix the sk_bound_dev_if match in ping_lookup
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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

  Current release - new code bugs:

   - tcp: add a missing sk_defer_free_flush() in tcp_splice_read()

   - tcp: add a stub for sk_defer_free_flush(), fix CONFIG_INET=n

   - nf_tables: set last expression in register tracking area

   - nft_connlimit: fix memleak if nf_ct_netns_get() fails

   - mptcp: fix removing ids bitmap setting

   - bonding: use rcu_dereference_rtnl when getting active slave

   - fix three cases of sleep in atomic context in drivers: lan966x, gve

   - handful of build fixes for esoteric drivers after netdev->dev_addr
     was made const

  Previous releases - regressions:

   - revert "ipv6: Honor all IPv6 PIO Valid Lifetime values", it broke
     Linux compatibility with USGv6 tests

   - procfs: show net device bound packet types

   - ipv4: fix ip option filtering for locally generated fragments

   - phy: broadcom: hook up soft_reset for BCM54616S

  Previous releases - always broken:

   - ipv4: raw: lock the socket in raw_bind()

   - ipv4: decrease the use of shared IPID generator to decrease the
     chance of attackers guessing the values

   - procfs: fix cross-netns information leakage in /proc/net/ptype

   - ethtool: fix link extended state for big endian

   - bridge: vlan: fix single net device option dumping

   - ping: fix the sk_bound_dev_if match in ping_lookup"

* tag 'net-5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits)
  net: bridge: vlan: fix memory leak in __allowed_ingress
  net: socket: rename SKB_DROP_REASON_SOCKET_FILTER
  ipv4: remove sparse error in ip_neigh_gw4()
  ipv4: avoid using shared IP generator for connected sockets
  ipv4: tcp: send zero IPID in SYNACK messages
  ipv4: raw: lock the socket in raw_bind()
  MAINTAINERS: add missing IPv4/IPv6 header paths
  MAINTAINERS: add more files to eth PHY
  net: stmmac: dwmac-sun8i: use return val of readl_poll_timeout()
  net: bridge: vlan: fix single net device option dumping
  net: stmmac: skip only stmmac_ptp_register when resume from suspend
  net: stmmac: configure PTP clock source prior to PTP initialization
  Revert "ipv6: Honor all IPv6 PIO Valid Lifetime values"
  connector/cn_proc: Use task_is_in_init_pid_ns()
  pid: Introduce helper task_is_in_init_pid_ns()
  gve: Fix GFP flags when allocing pages
  net: lan966x: Fix sleep in atomic context when updating MAC table
  net: lan966x: Fix sleep in atomic context when injecting frames
  ethernet: seeq/ether3: don't write directly to netdev->dev_addr
  ethernet: 8390/etherh: don't write directly to netdev->dev_addr
  ...
2022-01-27 20:58:39 +02:00
Paul Menzel 854d0982ee docs/vm: Fix typo in *harden*
Fixes: df4e817b71 ("mm: page table check")
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://lore.kernel.org/r/20220117111338.115455-1-pmenzel@molgen.mpg.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-01-27 11:22:34 -07:00
Pali Rohár 573fe46e39 Documentation: arm: marvell: Extend Avanta list
Include another two SoCs from Avanta family.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20220121115804.28824-1-pali@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-01-27 11:22:34 -07:00
Takahiro Itazuri 10855b45a4 docs: fix typo in Documentation/kernel-hacking/locking.rst
Change copy_from_user*( to copy_from_user() .

Signed-off-by: Takahiro Itazuri <itazur@amazon.com>
Link: https://lore.kernel.org/r/20220124081447.34066-1-itazur@amazon.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-01-27 11:22:33 -07:00
Jonathan Corbet 941518d653 docs: Hook the RTLA documents into the kernel docs build
The RTLA documents were added to Documentation/ but never hooked into the
rest of the docs build, leading to a bunch of warnings like:

  Documentation/tools/rtla/rtla-osnoise.rst: WARNING: document isn't included in any toctree

Add some basic glue to wire these documents into the build so that they are
available with the rest of the rendered docs.  No attempt has been made to
turn the RTLA docs into proper RST files rather than warmed-over man pages;
that is an exercise for the future.

Fixes: d40d48e1f1 ("rtla: Add Documentation")
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/877dau555q.fsf@meer.lwn.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-01-27 11:20:39 -07:00
Shuah Khan dede34b2c1 docs/kselftest: clarify running mainline tests on stables
Update the document to clarifiy support for running mainline
kselftest on stable releases and the reasons for not removing
test code that can test older kernels.

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-01-27 10:56:09 -07:00
Tobias Waldekranz f7af8fe85a dt-bindings: net: xgmac_mdio: Add "clock-frequency" and "suppress-preamble"
The driver now supports the standard "clock-frequency" and
"suppress-preamble" properties, do document them in the binding
description.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-27 13:41:30 +00:00
Tobias Waldekranz 15ca0518c1 dt-bindings: net: xgmac_mdio: Remove unsupported "bus-frequency"
This property has never been supported by the driver. The kernel has
settled on "clock-frequency" as the standard name for this binding, so
once that is supported we will document that instead.

Fixes: 7f93c9d90f ("power/fsl: add MDIO dt binding for FMan")
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-01-27 13:41:29 +00:00
Jakub Kicinski caaba96131 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2022-01-24

We've added 80 non-merge commits during the last 14 day(s) which contain
a total of 128 files changed, 4990 insertions(+), 895 deletions(-).

The main changes are:

1) Add XDP multi-buffer support and implement it for the mvneta driver,
   from Lorenzo Bianconi, Eelco Chaudron and Toke Høiland-Jørgensen.

2) Add unstable conntrack lookup helpers for BPF by using the BPF kfunc
   infra, from Kumar Kartikeya Dwivedi.

3) Extend BPF cgroup programs to export custom ret value to userspace via
   two helpers bpf_get_retval() and bpf_set_retval(), from YiFei Zhu.

4) Add support for AF_UNIX iterator batching, from Kuniyuki Iwashima.

5) Complete missing UAPI BPF helper description and change bpf_doc.py script
   to enforce consistent & complete helper documentation, from Usama Arif.

6) Deprecate libbpf's legacy BPF map definitions and streamline XDP APIs to
   follow tc-based APIs, from Andrii Nakryiko.

7) Support BPF_PROG_QUERY for BPF programs attached to sockmap, from Di Zhu.

8) Deprecate libbpf's bpf_map__def() API and replace users with proper getters
   and setters, from Christy Lee.

9) Extend libbpf's btf__add_btf() with an additional hashmap for strings to
   reduce overhead, from Kui-Feng Lee.

10) Fix bpftool and libbpf error handling related to libbpf's hashmap__new()
    utility function, from Mauricio Vásquez.

11) Add support to BTF program names in bpftool's program dump, from Raman Shukhau.

12) Fix resolve_btfids build to pick up host flags, from Connor O'Brien.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (80 commits)
  selftests, bpf: Do not yet switch to new libbpf XDP APIs
  selftests, xsk: Fix rx_full stats test
  bpf: Fix flexible_array.cocci warnings
  xdp: disable XDP_REDIRECT for xdp frags
  bpf: selftests: add CPUMAP/DEVMAP selftests for xdp frags
  bpf: selftests: introduce bpf_xdp_{load,store}_bytes selftest
  net: xdp: introduce bpf_xdp_pointer utility routine
  bpf: generalise tail call map compatibility check
  libbpf: Add SEC name for xdp frags programs
  bpf: selftests: update xdp_adjust_tail selftest to include xdp frags
  bpf: test_run: add xdp_shared_info pointer in bpf_test_finish signature
  bpf: introduce frags support to bpf_prog_test_run_xdp()
  bpf: move user_size out of bpf_test_init
  bpf: add frags support to xdp copy helpers
  bpf: add frags support to the bpf_xdp_adjust_tail() API
  bpf: introduce bpf_xdp_get_buff_len helper
  net: mvneta: enable jumbo frames if the loaded XDP program support frags
  bpf: introduce BPF_F_XDP_HAS_FRAGS flag in prog_flags loading the ebpf program
  net: mvneta: add frags support to XDP_TX
  xdp: add frags support to xdp_return_{buff/frame}
  ...
====================

Link: https://lore.kernel.org/r/20220124221235.18993-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-24 15:42:29 -08:00
Marc Kleine-Budde 17a3042262 dt-bindings: can: tcan4x5x: fix mram-cfg RX FIFO config
This tcan4x5x only comes with 2K of MRAM, a RX FIFO with a dept of 32
doesn't fit into the MRAM. Use a depth of 16 instead.

Fixes: 4edd396a19 ("dt-bindings: can: tcan4x5x: Add DT bindings for TCAN4x5X driver")
Link: https://lore.kernel.org/all/20220119062951.2939851-1-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-01-24 18:27:43 +01:00
Anshuman Khandual eb30d838a4 arm64: errata: Update ARM64_ERRATUM_[2119858|2224489] with Cortex-X2 ranges
Errata ARM64_ERRATUM_[2119858|2224489] also affect some Cortex-X2 ranges as
well. Lets update these errata definition and detection to accommodate all
new Cortex-X2 based cpu MIDR ranges.

Cc: Will Deacon <will@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1642994138-25887-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-01-24 14:20:50 +00:00
Nicolas Frattaroli bdac3bbd0d
spi: spi-rockchip: Add rk3568-spi compatible
This adds a compatible string for the SPI controller found on
the RK3566 and RK3568 SoCs.

Signed-off-by: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Link: https://lore.kernel.org/r/20211126154344.724316-2-frattaroli.nicolas@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-01-24 13:28:32 +00:00
Randy Dunlap 8aa0f94b0a gpio: sim: add doc file to index file
Include the gpio-sim.rst file in the GPIO index (toc/table of contents).

Quietens this doc build warning:

Documentation/admin-guide/gpio/gpio-sim.rst: WARNING: document isn't included in any toctree

Fixes: b48f6b466e44 ("gpio: sim: new testing module")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-01-24 09:21:28 +01:00
Linus Torvalds 10c64a0f28 - A bunch of fixes: forced idle time accounting, utilization values
propagation in the sched hierarchies and other minor cleanups and
 improvements
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Merge tag 'sched_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Borislav Petkov:
 "A bunch of fixes: forced idle time accounting, utilization values
  propagation in the sched hierarchies and other minor cleanups and
  improvements"

* tag 'sched_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  kernel/sched: Remove dl_boosted flag comment
  sched: Avoid double preemption in __cond_resched_*lock*()
  sched/fair: Fix all kernel-doc warnings
  sched/core: Accounting forceidle time for all tasks except idle task
  sched/pelt: Relax the sync of load_sum with load_avg
  sched/pelt: Relax the sync of runnable_sum with runnable_avg
  sched/pelt: Continue to relax the sync of util_sum with util_avg
  sched/pelt: Relax the sync of util_sum with util_avg
  psi: Fix uaf issue when psi trigger is destroyed while being polled
2022-01-23 17:35:27 +02:00
Linus Torvalds 1c52283265 Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
 "This is the post-linux-next queue. Material which was based on or
  dependent upon material which was in -next.

  69 patches.

  Subsystems affected by this patch series: mm (migration and zsmalloc),
  sysctl, proc, and lib"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (69 commits)
  mm: hide the FRONTSWAP Kconfig symbol
  frontswap: remove support for multiple ops
  mm: mark swap_lock and swap_active_head static
  frontswap: simplify frontswap_register_ops
  frontswap: remove frontswap_test
  mm: simplify try_to_unuse
  frontswap: remove the frontswap exports
  frontswap: simplify frontswap_init
  frontswap: remove frontswap_curr_pages
  frontswap: remove frontswap_shrink
  frontswap: remove frontswap_tmem_exclusive_gets
  frontswap: remove frontswap_writethrough
  mm: remove cleancache
  lib/stackdepot: always do filter_irq_stacks() in stack_depot_save()
  lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
  proc: remove PDE_DATA() completely
  fs: proc: store PDE()->data into inode->i_private
  zsmalloc: replace get_cpu_var with local_lock
  zsmalloc: replace per zpage lock with pool->migrate_lock
  locking/rwlocks: introduce write_lock_nested
  ...
2022-01-22 11:28:23 +02:00
Linus Torvalds 0809edbae3 Devicetree fixes for v5.17, take 1:
- Fix a regression when probing a child device reusing the parent
   device's DT node pointer
 
 - Refactor of_parse_phandle*() variants to static inlines
 
 - Drop Enric Balletbo i Serra as a maintainer
 
 - Fix DT schemas with arrays incorrectly encoded as a matrix
 
 - Drop unneeded pinctrl properties from schemas
 
 - Add SPI peripheral schema to SPI based displays
 
 - Clean-up several schema examples
 
 - Clean-up trivial-devices.yaml comments
 
 - Add missing, in use vendor prefixes: Wingtech, Thundercomm, Huawei,
   F(x)tec, 8devices
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Merge tag 'devicetree-fixes-for-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes and cleanups from Rob Herring:

 - Fix a regression when probing a child device reusing the parent
   device's DT node pointer

 - Refactor of_parse_phandle*() variants to static inlines

 - Drop Enric Balletbo i Serra as a maintainer

 - Fix DT schemas with arrays incorrectly encoded as a matrix

 - Drop unneeded pinctrl properties from schemas

 - Add SPI peripheral schema to SPI based displays

 - Clean-up several schema examples

 - Clean-up trivial-devices.yaml comments

 - Add missing, in use vendor prefixes: Wingtech, Thundercomm, Huawei,
   F(x)tec, 8devices

* tag 'devicetree-fixes-for-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: google,cros-ec: drop Enric Balletbo i Serra from maintainers
  dt-bindings: display: bridge: drop Enric Balletbo i Serra from maintainers
  of: Check 'of_node_reused' flag on of_match_device()
  of: property: define of_property_read_u{8,16,32,64}_array() unconditionally
  of: base: make small of_parse_phandle() variants static inline
  dt-bindings: mfd: cirrus,madera: Fix 'interrupts' in example
  dt-bindings: Fix array schemas encoded as matrices
  dt-bindings: Drop unnecessary pinctrl properties
  dt-bindings: rtc: st,stm32-rtc: Make each example a separate entry
  dt-bindings: mmc: arm,pl18x: Make each example a separate entry
  dt-bindings: display: Add SPI peripheral schema to SPI based displays
  scripts/dtc: dtx_diff: remove broken example from help text
  dt-bindings: trivial-devices: fix double spaces in comments
  dt-bindings: trivial-devices: fix swapped comments
  dt-bindings: vendor-prefixes: add Wingtech
  dt-bindings: vendor-prefixes: add Thundercomm
  dt-bindings: vendor-prefixes: add Huawei
  dt-bindings: vendor-prefixes: add F(x)tec
  dt-bindings: vendor-prefixes: add 8devices
  dt-bindings: power: reset: gpio-restart: Correct default priority
2022-01-22 09:52:17 +02:00
Linus Torvalds 636b5284d8 Generic:
- selftest compilation fix for non-x86
 
 - KVM: avoid warning on s390 in mark_page_dirty
 
 x86:
 - fix page write-protection bug and improve comments
 
 - use binary search to lookup the PMU event filter, add test
 
 - enable_pmu module parameter support for Intel CPUs
 
 - switch blocked_vcpu_on_cpu_lock to raw spinlock
 
 - cleanups of blocked vCPU logic
 
 - partially allow KVM_SET_CPUID{,2} after KVM_RUN (5.16 regression)
 
 - various small fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull more kvm updates from Paolo Bonzini:
 "Generic:

   - selftest compilation fix for non-x86

   - KVM: avoid warning on s390 in mark_page_dirty

 x86:

   - fix page write-protection bug and improve comments

   - use binary search to lookup the PMU event filter, add test

   - enable_pmu module parameter support for Intel CPUs

   - switch blocked_vcpu_on_cpu_lock to raw spinlock

   - cleanups of blocked vCPU logic

   - partially allow KVM_SET_CPUID{,2} after KVM_RUN (5.16 regression)

   - various small fixes"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (46 commits)
  docs: kvm: fix WARNINGs from api.rst
  selftests: kvm/x86: Fix the warning in lib/x86_64/processor.c
  selftests: kvm/x86: Fix the warning in pmu_event_filter_test.c
  kvm: selftests: Do not indent with spaces
  kvm: selftests: sync uapi/linux/kvm.h with Linux header
  selftests: kvm: add amx_test to .gitignore
  KVM: SVM: Nullify vcpu_(un)blocking() hooks if AVIC is disabled
  KVM: SVM: Move svm_hardware_setup() and its helpers below svm_x86_ops
  KVM: SVM: Drop AVIC's intermediate avic_set_running() helper
  KVM: VMX: Don't do full kick when handling posted interrupt wakeup
  KVM: VMX: Fold fallback path into triggering posted IRQ helper
  KVM: VMX: Pass desired vector instead of bool for triggering posted IRQ
  KVM: VMX: Don't do full kick when triggering posted interrupt "fails"
  KVM: SVM: Skip AVIC and IRTE updates when loading blocking vCPU
  KVM: SVM: Use kvm_vcpu_is_blocking() in AVIC load to handle preemption
  KVM: SVM: Remove unnecessary APICv/AVIC update in vCPU unblocking path
  KVM: SVM: Don't bother checking for "running" AVIC when kicking for IPIs
  KVM: SVM: Signal AVIC doorbell iff vCPU is in guest mode
  KVM: x86: Remove defunct pre_block/post_block kvm_x86_ops hooks
  KVM: x86: Unexport LAPIC's switch_to_{hv,sw}_timer() helpers
  ...
2022-01-22 09:40:01 +02:00
Linus Torvalds 7867e40278 RISC-V Patches for the 5.17 Merge Window, Part 2
* Support for sv48 paging.
 * Hart ID mappings are now sparse, which enables more CPUs to come up on
   systems with sparse hart IDs.
 * A handful of cleanups and fixes.
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Merge tag 'riscv-for-linus-5.17-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:

 - Support for sv48 paging

 - Hart ID mappings are now sparse, which enables more CPUs to come up
   on systems with sparse hart IDs

 - A handful of cleanups and fixes

* tag 'riscv-for-linus-5.17-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (27 commits)
  RISC-V: nommu_virt: Drop unused SLAB_MERGE_DEFAULT
  RISC-V: Remove redundant err variable
  riscv: dts: sifive unmatched: Add gpio poweroff
  riscv: canaan: remove useless select of non-existing config SYSCON
  RISC-V: Do not use cpumask data structure for hartid bitmap
  RISC-V: Move spinwait booting method to its own config
  RISC-V: Move the entire hart selection via lottery to SMP
  RISC-V: Use __cpu_up_stack/task_pointer only for spinwait method
  RISC-V: Do not print the SBI version during HSM extension boot print
  RISC-V: Avoid using per cpu array for ordered booting
  riscv: default to CONFIG_RISCV_SBI_V01=n
  riscv: fix boolconv.cocci warnings
  riscv: Explicit comment about user virtual address space size
  riscv: Use pgtable_l4_enabled to output mmu_type in cpuinfo
  riscv: Implement sv48 support
  asm-generic: Prepare for riscv use of pud_alloc_one and pud_free
  riscv: Allow to dynamically define VA_BITS
  riscv: Introduce functions to switch pt_ops
  riscv: Split early kasan mapping to prepare sv48 introduction
  riscv: Move KASAN mapping next to the kernel mapping
  ...
2022-01-22 09:34:49 +02:00
Linus Torvalds 0854dc81e1 Three small documentation fixes.
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Merge tag 'docs-5.17-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "Three small documentation fixes"

* tag 'docs-5.17-2' of git://git.lwn.net/linux:
  Documentation: fix firewire.rst ABI file path error
  docs: ftrace: fix ambiguous sentence
  docs: staging/tee.rst: fix two typos found while reading
2022-01-22 09:02:57 +02:00
Christoph Hellwig 0b364446d7 frontswap: remove frontswap_shrink
frontswap_shrink is never called, so remove it.

Link: https://lkml.kernel.org/r/20211224062246.1258487-5-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-22 08:33:38 +02:00
Christoph Hellwig 3d6035f136 frontswap: remove frontswap_writethrough
frontswap_writethrough is never called, so remove it.

Link: https://lkml.kernel.org/r/20211224062246.1258487-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-22 08:33:38 +02:00
Christoph Hellwig 0a4ee51818 mm: remove cleancache
Patch series "remove Xen tmem leftovers".

Since the removal of the Xen tmem driver in 2019, the cleancache hooks
are entirely unused, as are large parts of frontswap.  This series
against linux-next (with the folio changes included) removes
cleancaches, and cuts down frontswap to the bits actually used by zswap.

This patch (of 13):

The cleancache subsystem is unused since the removal of Xen tmem driver
in commit 814bbf49dc ("xen: remove tmem driver").

[akpm@linux-foundation.org: remove now-unreachable code]

Link: https://lkml.kernel.org/r/20211224062246.1258487-1-hch@lst.de
Link: https://lkml.kernel.org/r/20211224062246.1258487-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-22 08:33:38 +02:00
Linus Torvalds 75242f31db RTC for 5.17
New driver:
  - Sunplus SP7021 RTC
  - Nintendo GameCube, Wii and Wii U RTC
 
 Drivers:
  - cmos: refactor UIP handling and presence check, fix century
  - rs5c372: offset correction support, report low voltage
  - rv8803: Epson RX8804 support
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Merge tag 'rtc-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Two new drivers this cycle and a significant rework of the CMOS driver
  make the bulk of the changes.

  I also carry powerpc changes with the agreement of Michael.

  New drivers:
   - Sunplus SP7021 RTC
   - Nintendo GameCube, Wii and Wii U RTC

  Driver updates:
   - cmos: refactor UIP handling and presence check, fix century
   - rs5c372: offset correction support, report low voltage
   - rv8803: Epson RX8804 support"

* tag 'rtc-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (33 commits)
  rtc: sunplus: fix return value in sp_rtc_probe()
  rtc: cmos: Evaluate century appropriate
  rtc: gamecube: Fix an IS_ERR() vs NULL check
  rtc: mc146818-lib: fix signedness bug in mc146818_get_time()
  dt-bindings: rtc: qcom-pm8xxx-rtc: update register numbers
  rtc: pxa: fix null pointer dereference
  rtc: ftrtc010: Use platform_get_irq() to get the interrupt
  rtc: Move variable into switch case statement
  rtc: pcf2127: Fix typo in comment
  dt-bindings: rtc: Add Sunplus RTC json-schema
  rtc: Add driver for RTC in Sunplus SP7021
  rtc: rs5c372: fix incorrect oscillation value on r2221tl
  rtc: rs5c372: add offset correction support
  rtc: cmos: avoid UIP when writing alarm time
  rtc: cmos: avoid UIP when reading alarm time
  rtc: mc146818-lib: refactor mc146818_does_rtc_work
  rtc: mc146818-lib: refactor mc146818_get_time
  rtc: mc146818-lib: extract mc146818_avoid_UIP
  rtc: mc146818-lib: fix RTC presence check
  rtc: Check return value from mc146818_get_time()
  ...
2022-01-21 13:13:35 +02:00