Commit Graph

1104680 Commits

Author SHA1 Message Date
Linus Torvalds
4e583ff9df This pull request contains the following changes for UML:
- Various cleanups and fixes: xterm, serial line, time travel
 - Set ARCH_HAS_GCOV_PROFILE_ALL
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Merge tag 'for-linus-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

Pull UML updates from Richard Weinberger:

 - Various cleanups and fixes: xterm, serial line, time travel

 - Set ARCH_HAS_GCOV_PROFILE_ALL

* tag 'for-linus-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: Fix out-of-bounds read in LDT setup
  um: chan_user: Fix winch_tramp() return value
  um: virtio_uml: Fix broken device handling in time-travel
  um: line: Use separate IRQs per line
  um: Enable ARCH_HAS_GCOV_PROFILE_ALL
  um: Use asm-generic/dma-mapping.h
  um: daemon: Make default socket configurable
  um: xterm: Make default terminal emulator configurable
2022-06-03 14:35:14 -07:00
Linus Torvalds
a01fe7ec42 Devicetree fixes for v5.19-rc:
- Fixes for unevaluatedProperties warnings. These were missed to due to
   a bug in dtschema which is now fixed. The changes involve either
   adding missing properties or removing spurious properties from
   examples.
 
 - Update several Qualcomm binding maintainer email addresses
 
 - Fix typo in imx8mp-media-blk-ctrl example
 
 - Fix fixed string pattern in qcom,smd
 
 - Correct the order of 'reg' entries in Xilinx PCI binding
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Merge tag 'devicetree-fixes-for-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Fixes for unevaluatedProperties warnings.

   These were missed to due to a bug in dtschema which is now fixed. The
   changes involve either adding missing properties or removing spurious
   properties from examples.

 - Update several Qualcomm binding maintainer email addresses

 - Fix typo in imx8mp-media-blk-ctrl example

 - Fix fixed string pattern in qcom,smd

 - Correct the order of 'reg' entries in Xilinx PCI binding

* tag 'devicetree-fixes-for-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: mtd: spi-nand: Add spi-peripheral-props.yaml reference
  dt-bindings: memory-controllers: ingenic: Split out child node properties
  dt-bindings: net/dsa: Add spi-peripheral-props.yaml references
  dt-bindings: PCI: apple: Add missing 'power-domains' property
  dt-bindings: Update Sibi Sankar's email address
  dt-bindings: clock: Update my email address
  dt-bindings: PCI: xilinx-cpm: Fix reg property order
  dt-bindings: net: Fix unevaluatedProperties warnings in examples
  dt-bindings: PCI: socionext,uniphier-pcie: Add missing child interrupt controller
  dt-bindings: usb: snps,dwc3: Add missing 'dma-coherent' property
  dt-bindings: soc: imx8mp-media-blk-ctrl: Fix DT example
  dt-bindings: soc: qcom,smd: do not use pattern for simple rpm-requests string
2022-06-03 14:24:44 -07:00
Linus Torvalds
9af13088ab ARM: multiplatform changes, part 3
This is the third and final bit of the multiplatform conversion
 for ARMv5, finishing off OMAP1. One patch enables the common-clk
 interface, and the other ones does the Kconfig change.
 
 These were waiting on a few dependencies to trickle in for
 common-clk, and the last one of those was in the USB tree.
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Merge tag 'arm-multiplatform-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull yet more ARM multiplatform updates from Arnd Bergmann:
 "This is the third and final bit of the multiplatform conversion for
  ARMv5, finishing off OMAP1. One patch enables the common-clk
  interface, and the other ones does the Kconfig change.

  These were waiting on a few dependencies to trickle in for common-clk,
  and the last one of those was in the USB tree"

* tag 'arm-multiplatform-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: omap1: enable multiplatform
  ARM: OMAP1: clock: Convert to CCF
2022-06-03 14:20:28 -07:00
Linus Torvalds
c6f2f3e2c8 Add partial Loongarch architecture code
This is the majority of the loongarch architecture code, including
 the final system call interface and all core functionality.
 
 It still misses three sets of peripheral but vital patches to add
 support for other subsystems, which have yet to pass review:
 
  - The drivers/firmware/efi stub for booting from a standard UEFI
    firmware implementation. Both the original custom boot interface
    and a draft implementation of the EFI stub did not make it, so
    it is currently impossible to boot the kernel, until the
    loongarch specific portions get accepted into the UEFI subsystem
 
  - The drivers/irqchip/irq-loongson-*.c drivers are shared with the
    the MIPS port, but currently lack support for ACPI based booting,
    which will get merged through the irqchip subsystem.
 
  - Similarly, the drivers/pci/controller/pci-loongson.c needs to be
    modified for ACPI support, which will be merged through the
    PCI subsystem.
 
 While the port cannot actually be used before all the above are
 merged, having it in 5.19 helps to establish the user space ABI
 for the libc ports to build on, and to help any treewide changes
 in the mainline kernel get applied here as well. A gcc-12 based
 tool chains for build testing is now included in
 https://mirrors.edge.kernel.org/pub/tools/crosstool/.
 
 Original description from Huacai Chen at
 https://lore.kernel.org/lkml/20220603072053.35005-1-chenhuacai@loongson.cn/:
 
  "LoongArch is a new RISC ISA, which is a bit like MIPS or RISC-V.
   LoongArch includes a reduced 32-bit version (LA32R), a standard 32-bit
   version (LA32S) and a 64-bit version (LA64). LoongArch use ACPI as its
   boot protocol LoongArch-specific interrupt controllers (similar to APIC)
   are already added in the next revision of ACPI Specification (current
   revision is 6.4).
 
   This patchset is adding basic LoongArch support in mainline kernel, we
   can see a complete snapshot here:
   https://github.com/loongson/linux/tree/loongarch-next
   https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git/log/?h=loongarch-next
 
   Cross-compile tool chain to build kernel:
   https://github.com/loongson/build-tools/releases/download/2021.12.21/loongarch64-clfs-2022-03-03-cross-tools-gcc-glibc.tar.xz
 
   A CLFS-based Linux distro:
   https://github.com/loongson/build-tools/releases/download/2021.12.21/loongarch64-clfs-system-2022-03-03.tar.bz2
 
   Open-source tool chain which is under review (Binutils and Gcc are already upstream):
   https://github.com/loongson/binutils-gdb/tree/upstream_v3.1
   https://github.com/loongson/gcc/tree/loongarch_upstream_v6.3
   https://github.com/loongson/glibc/tree/loongarch_2_35_dev_v2.2
 
   Loongson and LoongArch documentations:
   https://github.com/loongson/LoongArch-Documentation
 
   LoongArch-specific interrupt controllers:
   https://mantis.uefi.org/mantis/view.php?id=2203
   https://mantis.uefi.org/mantis/view.php?id=2313"
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Merge tag 'loongarch-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull initial Loongarch architecture code from Arnd Bergmann:
 "This is the majority of the loongarch architecture code, including the
  final system call interface and all core functionality.

  It still misses three sets of peripheral but vital patches to add
  support for other subsystems, which have yet to pass review:

   - The drivers/firmware/efi stub for booting from a standard UEFI
     firmware implementation. Both the original custom boot interface
     and a draft implementation of the EFI stub did not make it, so it
     is currently impossible to boot the kernel, until the loongarch
     specific portions get accepted into the UEFI subsystem

   - The drivers/irqchip/irq-loongson-*.c drivers are shared with the
     the MIPS port, but currently lack support for ACPI based booting,
     which will get merged through the irqchip subsystem.

   - Similarly, the drivers/pci/controller/pci-loongson.c needs to be
     modified for ACPI support, which will be merged through the PCI
     subsystem.

  While the port cannot actually be used before all the above are
  merged, having it in 5.19 helps to establish the user space ABI for
  the libc ports to build on, and to help any treewide changes in the
  mainline kernel get applied here as well.

  A gcc-12 based tool chains for build testing is now included in

    https://mirrors.edge.kernel.org/pub/tools/crosstool/"

Original description from Huacai Chen:
 "LoongArch is a new RISC ISA, which is a bit like MIPS or RISC-V.
  LoongArch includes a reduced 32-bit version (LA32R), a standard 32-bit
  version (LA32S) and a 64-bit version (LA64). LoongArch use ACPI as its
  boot protocol LoongArch-specific interrupt controllers (similar to APIC)
  are already added in the next revision of ACPI Specification (current
  revision is 6.4).

  This patchset is adding basic LoongArch support in mainline kernel, we
  can see a complete snapshot here:

    https://github.com/loongson/linux/tree/loongarch-next
    https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git/log/?h=loongarch-next

  Cross-compile tool chain to build kernel:

    https://github.com/loongson/build-tools/releases/download/2021.12.21/loongarch64-clfs-2022-03-03-cross-tools-gcc-glibc.tar.xz

  A CLFS-based Linux distro:

    https://github.com/loongson/build-tools/releases/download/2021.12.21/loongarch64-clfs-system-2022-03-03.tar.bz2

  Open-source tool chain which is under review (Binutils and Gcc are already upstream):

    https://github.com/loongson/binutils-gdb/tree/upstream_v3.1
    https://github.com/loongson/gcc/tree/loongarch_upstream_v6.3
    https://github.com/loongson/glibc/tree/loongarch_2_35_dev_v2.2

  Loongson and LoongArch documentations:

    https://github.com/loongson/LoongArch-Documentation

  LoongArch-specific interrupt controllers:

    https://mantis.uefi.org/mantis/view.php?id=2203
    https://mantis.uefi.org/mantis/view.php?id=2313"

Link: https://lore.kernel.org/lkml/20220603072053.35005-1-chenhuacai@loongson.cn/

* tag 'loongarch-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (24 commits)
  MAINTAINERS: Add maintainer information for LoongArch
  LoongArch: Add Loongson-3 default config file
  LoongArch: Add Non-Uniform Memory Access (NUMA) support
  LoongArch: Add multi-processor (SMP) support
  LoongArch: Add VDSO and VSYSCALL support
  LoongArch: Add some library functions
  LoongArch: Add misc common routines
  LoongArch: Add ELF and module support
  LoongArch: Add signal handling support
  LoongArch: Add system call support
  LoongArch: Add memory management
  LoongArch: Add process management
  LoongArch: Add exception/interrupt handling
  LoongArch: Add boot and setup routines
  LoongArch: Add other common headers
  LoongArch: Add atomic/locking headers
  LoongArch: Add CPU definition headers
  LoongArch: Add build infrastructure
  LoongArch: Add writecombine support for drm
  LoongArch: Add ELF-related definitions
  ...
2022-06-03 14:09:21 -07:00
Linus Torvalds
21873bd66b arm64 fixes for 5.19-rc1:
- Initialise jump labels before setup_machine_fdt(), needed by commit
   f5bda35fba ("random: use static branch for crng_ready()").
 
 - Sparse warnings: missing prototype, incorrect __user annotation.
 
 - Skip SVE kselftest if not sufficient vector lengths supported.
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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:
 "Most of issues addressed were introduced during this merging window.

   - Initialise jump labels before setup_machine_fdt(), needed by commit
     f5bda35fba ("random: use static branch for crng_ready()").

   - Sparse warnings: missing prototype, incorrect __user annotation.

   - Skip SVE kselftest if not sufficient vector lengths supported"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  kselftest/arm64: signal: Skip SVE signal test if not enough VLs supported
  arm64: Initialize jump labels before setup_machine_fdt()
  arm64: hibernate: Fix syntax errors in comments
  arm64: Remove the __user annotation for the restore_za_context() argument
  ftrace/fgraph: fix increased missing-prototypes warnings
2022-06-03 14:05:34 -07:00
Linus Torvalds
f66e797b40 RISC-V Patches for the 5.19 Merge Window, Part 2
This is mostly some DT updates, but also a handful of cleanups and some
 fixes.  The most user-visible of those are:
 
 * A device tree for the Sundance Polarberry, along with a handful of
   fixes and clenups to the PolarFire SOC device trees and bindings.
 * The memfd_secret syscall number is now visible to userspace,
 * Some improvements to the vm layout dump, which really should have
   followed shortly after the sv48 patches but I missed.
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Merge tag 'riscv-for-linus-5.19-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:
 "This is mostly some DT updates, but also a handful of cleanups and
  some fixes. The most user-visible of those are:

   - A device tree for the Sundance Polarberry, along with a handful of
     fixes and clenups to the PolarFire SOC device trees and bindings.

   - The memfd_secret syscall number is now visible to userspace,

   - Some improvements to the vm layout dump, which really should have
     followed shortly after the sv48 patches but I missed"

* tag 'riscv-for-linus-5.19-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Move alternative length validation into subsection
  riscv: mm: init: make pt_ops_set_[early|late|fixmap] static
  riscv: move errata/ and kvm/ builds to arch/riscv/Kbuild
  RISC-V: Mark IORESOURCE_EXCLUSIVE for reserved mem instead of IORESOURCE_BUSY
  riscv: Wire up memfd_secret in UAPI header
  riscv: Fix irq_work when SMP is disabled
  riscv: Improve virtual kernel memory layout dump
  riscv: Initialize thread pointer before calling C functions
  Documentation: riscv: Add sv48 description to VM layout
  RISC-V: Only default to spinwait on SBI-0.1 and M-mode
  riscv: dts: icicle: sort nodes alphabetically
  riscv: microchip: icicle: readability fixes
  riscv: dts: microchip: add the sundance polarberry
  dt-bindings: riscv: microchip: add polarberry compatible string
  dt-bindings: vendor-prefixes: add Sundance DSP
  riscv: dts: microchip: make the fabric dtsi board specific
  dt-bindings: riscv: microchip: document icicle reference design
  riscv: dts: microchip: remove soc vendor from filenames
  riscv: dts: microchip: move sysctrlr out of soc bus
  riscv: dts: microchip: remove icicle memory clocks
2022-06-03 14:01:43 -07:00
Linus Torvalds
4ab6cfc4ad more s390 updates for 5.19 merge window
- Add Eric Farman as maintainer for s390 virtio drivers.
 
 - Improve machine check handling, and avoid incorrectly injecting a machine
   check into a kvm guest.
 
 - Add cond_resched() call to gmap page table walker in order to avoid
   possible huge latencies. Also use non-quiesing sske instruction to speed
   up storage key handling.
 
 - Add __GFP_NORETRY to KEXEC_CONTROL_MEMORY_GFP so s390 behaves similar like
   common code.
 
 - Get sie control block address from correct stack slot in perf event
   code. This fixes potential random memory accesses.
 
 - Change uaccess code so that the exception handler sets the result of
   get_user() and __get_kernel_nofault() to zero in case of a fault. Until
   now this was done via input parameters for inline assemblies. Doing it
   via fault handling is what most or even all other architectures are
   doing.
 
 - Couple of other small cleanups and fixes.
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Merge tag 's390-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull more s390 updates from Heiko Carstens:
 "Just a couple of small improvements, bug fixes and cleanups:

   - Add Eric Farman as maintainer for s390 virtio drivers.

   - Improve machine check handling, and avoid incorrectly injecting a
     machine check into a kvm guest.

   - Add cond_resched() call to gmap page table walker in order to avoid
     possible huge latencies. Also use non-quiesing sske instruction to
     speed up storage key handling.

   - Add __GFP_NORETRY to KEXEC_CONTROL_MEMORY_GFP so s390 behaves
     similar like common code.

   - Get sie control block address from correct stack slot in perf event
     code. This fixes potential random memory accesses.

   - Change uaccess code so that the exception handler sets the result
     of get_user() and __get_kernel_nofault() to zero in case of a
     fault. Until now this was done via input parameters for inline
     assemblies. Doing it via fault handling is what most or even all
     other architectures are doing.

   - Couple of other small cleanups and fixes"

* tag 's390-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/stack: add union to reflect kvm stack slot usages
  s390/stack: merge empty stack frame slots
  s390/uaccess: whitespace cleanup
  s390/uaccess: use __noreturn instead of __attribute__((noreturn))
  s390/uaccess: use exception handler to zero result on get_user() failure
  s390/uaccess: use symbolic names for inline assembler operands
  s390/mcck: isolate SIE instruction when setting CIF_MCCK_GUEST flag
  s390/mm: use non-quiescing sske for KVM switch to keyed guest
  s390/gmap: voluntarily schedule during key setting
  MAINTAINERS: Update s390 virtio-ccw
  s390/kexec: add __GFP_NORETRY to KEXEC_CONTROL_MEMORY_GFP
  s390/Kconfig.debug: fix indentation
  s390/Kconfig: fix indentation
  s390/perf: obtain sie_block from the right address
  s390: generate register offsets into pt_regs automatically
  s390: simplify early program check handler
  s390/crypto: fix scatterwalk_unmap() callers in AES-GCM
2022-06-03 13:57:50 -07:00
Linus Torvalds
93ce7948e3 Follow-up tweaks for the EFI changes in v5.19
- fix new DXE service invocations for mixed mode
 - use correct Kconfig symbol when setting PE header flag
 - clean up the drivers/firmware/efi Kconfig dependencies so that
   features that depend on CONFIG_EFI are hidden from the UI when the
   symbol is not enabled.
 
 Also included is a RISC-V bugfix from Heinrich to avoid read-write
 mappings of read-only firmware regions in the EFI page tables.
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Merge tag 'efi-next-for-v5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull more EFI updates from Ard Biesheuvel:
 "Follow-up tweaks for EFI changes - they mostly address issues
  introduced this merge window, except for Heinrich's patch:

   - fix new DXE service invocations for mixed mode

   - use correct Kconfig symbol when setting PE header flag

   - clean up the drivers/firmware/efi Kconfig dependencies so that
     features that depend on CONFIG_EFI are hidden from the UI when the
     symbol is not enabled.

  Also included is a RISC-V bugfix from Heinrich to avoid read-write
  mappings of read-only firmware regions in the EFI page tables"

* tag 'efi-next-for-v5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: clean up Kconfig dependencies on CONFIG_EFI
  efi/x86: libstub: Make DXE calls mixed mode safe
  efi: x86: Fix config name for setting the NX-compatibility flag in the PE header
  riscv: read-only pages should not be writable
2022-06-03 13:39:30 -07:00
Zhengjun Xing
1bcca2b1bd perf vendor events intel: Update metrics for Alderlake
Update JSON metrics for Alderlake to perf.

It included both P-core and E-core metrics.

P-core metrics based on TMA 4.4 (TMA_Metrics-full.csv)
E-core metrics based on E-core TMA 2.0 (E-core_TMA_Metrics.csv)

https://download.01.org/perfmon/

Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220528095933.1784141-2-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:45:32 +02:00
Zhengjun Xing
122657820f perf vendor events intel: Add metrics for Sapphirerapids
Add JSON metrics for Sapphirerapids to perf.

Based on TMA4.4 metrics.

https://download.01.org/perfmon/TMA_Metrics-full.csv

Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220528095933.1784141-1-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:45:15 +02:00
Leo Yan
b24192a173 perf c2c: Fix sorting in percent_rmt_hitm_cmp()
The function percent_rmt_hitm_cmp() wrongly uses local HITMs for
sorting remote HITMs.

Since this function is to sort cache lines for remote HITMs, this patch
changes to use 'rmt_hitm' field for correct sorting.

Fixes: 9cb3500afc ("perf c2c report: Add hitm/store percent related sort keys")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joe Mario <jmario@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220530084253.750190-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:40:15 +02:00
Leo Yan
62e6eb8d54 perf mem: Trace physical address for Arm SPE events
Currently, Arm SPE events don't trace physical address, therefore, the
field 'phys_addr' is always zero in synthesized memory samples.  This
leads to perf c2c tool cannot locate the memory node for samples.

This patch enables configuration 'pa_enable' for Arm SPE events, so the
physical address packet can be traced, finally this can allow perf c2c
tool to locate properly for memory node.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220530083645.253432-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:39:27 +02:00
Thomas Richter
882f54243a perf list: Update event description for IBM zEC12/zBC12 to latest level
Update IBM zEC12/zBC12 event counter description to the latest level
as described in the documents
1. SA23-2260-07:
   "The Load-Program-Parameter and the CPU-Measurement Facilities."
   released on May, 2022
for the following counter sets:
   * Basic counter set
   * Problem counter set
   * Crypto counter set

2. SA23-2261-07:
   "The CPU-Measurement Facility Extended Counters Definition
   for z10, z196/z114, zEC12/zBC12, z13/z13s, z14, z15 and z16"
   released on April 29, 2022
for the following counter sets:
   * Extended counter set
   * MT-Diagnostic counter set

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220531092706.1931503-7-tmricht@linux.ibm.com
Cc: acme@kernel.org
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: svens@linux.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:37:27 +02:00
Thomas Richter
dfeab63acd perf list: Update event description for IBM z196/z114 to latest level
Update IBM z196/z114 event counter description to the latest level
as described in the documents
1. SA23-2260-07:
   "The Load-Program-Parameter and the CPU-Measurement Facilities."
   released on May, 2022
for the following counter sets:
   * Basic counter set
   * Problem counter set
   * Crypto counter set

2. SA23-2261-07:
   "The CPU-Measurement Facility Extended Counters Definition
    for z10, z196/z114, zEC12/zBC12, z13/z13s, z14, z15 and z16"
released on April 29, 2022
for the following counter sets:
   * Extended counter set
   * MT-Diagnostic counter set

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220531092706.1931503-6-tmricht@linux.ibm.com
Cc: acme@kernel.org
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: svens@linux.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:37:27 +02:00
Thomas Richter
d1833463dd perf list: Update event description for IBM z15 to latest level
Update IBM z15 event counter description to the latest level
as described in the documents
1. SA23-2260-07:
   "The Load-Program-Parameter and the CPU-Measurement Facilities."
   released on May, 2022
for the following counter sets:
   * Basic counter set
   * Problem counter set
   * Crypto counter set

2. SA23-2261-07:
   "The CPU-Measurement Facility Extended Counters Definition
   for z10, z196/z114, zEC12/zBC12, z13/z13s, z14, z15 and z16"
   released on April 29, 2022
for the following counter sets:
   * Extended counter set
   * MT-Diagnostic counter set

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220531092706.1931503-5-tmricht@linux.ibm.com
Cc: acme@kernel.org
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: svens@linux.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:37:27 +02:00
Thomas Richter
d786bdf2a7 perf list: Update event description for IBM z14 to latest level
Update IBM z14 event counter description to the latest level
as described in the documents
1. SA23-2260-07:
   "The Load-Program-Parameter and the CPU-Measurement Facilities."
   released on May, 2022
for the following counter sets:
  * Basic counter set
  * Problem counter set
  * Crypto counter set

2. SA23-2261-07:
   "The CPU-Measurement Facility Extended Counters Definition
    for z10, z196/z114, zEC12/zBC12, z13/z13s, z14, z15 and z16"
    released on April 29, 2022
for the following counter sets:
  * Extended counter set
  * MT-Diagnostic counter set

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220531092706.1931503-4-tmricht@linux.ibm.com
Cc: acme@kernel.org
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: svens@linux.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:37:26 +02:00
Thomas Richter
e9c26fd640 perf list: Update event description for IBM z13 to latest level
Update IBM z13 event counter description to the latest level
as described in the documents
1. SA23-2260-07:
   "The Load-Program-Parameter and the CPU-Measurement Facilities."
   released on May, 2022
for the following counter sets:
  * Basic counter set
  * Problem counter set
  * Crypto counter set

2. SA23-2261-07:
   "The CPU-Measurement Facility Extended Counters Definition
    for z10, z196/z114, zEC12/zBC12, z13/z13s, z14, z15 and z16"
    released on April 29, 2022
for the following counter sets:
  * Extended counter set
  * MT-Diagnostic counter set

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220531092706.1931503-3-tmricht@linux.ibm.com
Cc: acme@kernel.org
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: svens@linux.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:37:26 +02:00
Thomas Richter
f71a261acd perf list: Update event description for IBM z10 to latest level
Update IBM z10 event counter description to the latest level
as described in the documents
1. SA23-2260-07:
   "The Load-Program-Parameter and the CPU-Measurement Facilities."
   released on May, 2022
for the following counter sets:
  * Basic counter set
  * Problem counter set
  * Crypto counter set

2. SA23-2261-07:
   "The CPU-Measurement Facility Extended Counters Definition
    for z10, z196/z114, zEC12/zBC12, z13/z13s, z14, z15 and z16"
    released on April 29, 2022
for the following counter sets:
  * Extended counter set
  * MT-Diagnostic counter set

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220531092706.1931503-2-tmricht@linux.ibm.com
Cc: acme@kernel.org
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: svens@linux.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:37:26 +02:00
Thomas Richter
7f76b31130 perf list: Add IBM z16 event description for s390
Update IBM z16 counter description using document SA23-2260-07:
"The Load-Program-Parameter and the CPU-Measurement Facilities"
released in May, 2022, to include counter definitions for IBM z16
counter sets:
  * Basic counter set
  * Problem/user counter set
  * Crypto counter set

Use document SA23-2261-07:
"The CPU-Measurement Facility Extended Counters Definition
 for z10, z196/z114, zEC12/zBC12, z13/z13s, z14, z15 and z16"
released on April 29, 2022 to include counter definitions for IBM z16
  * Extended counter set
  * MT-Diagnostic counter set

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220531092706.1931503-1-tmricht@linux.ibm.com
Cc: acme@kernel.org
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: svens@linux.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:37:26 +02:00
Zhengjun Xing
151e7d7503 perf record: Support sample-read topdown metric group for hybrid platforms
With the hardware TopDown metrics feature, the sample-read feature should
be supported for a TopDown group, e.g., sample a non-topdown event and read
a Topdown metric group. But the current perf record code errors are out.

For a TopDown metric group,the slots event must be the leader of the group,
but the leader slots event doesn't support sampling. To support sample-read
the TopDown metric group, uses the 2nd event of the group as the "leader"
for the purposes of sampling.

Only the platform with the TopDown metric feature supports sample-read the
topdown group. In commit acb65150a4 ("perf record: Support sample-read
topdown metric group"), it adds arch_topdown_sample_read() to indicate
whether the TopDown group supports sample-read, it should only work on the
non-hybrid systems, this patch extends the support for hybrid platforms.

Before:

  # ./perf record -e "{cpu_core/slots/,cpu_core/cycles/,cpu_core/topdown-retiring/}:S" -a sleep 1
  Error:
  The sys_perf_event_open() syscall returned with 22 (Invalid argument) for event (cpu_core/topdown-retiring/).
  /bin/dmesg | grep -i perf may provide additional information.

After:

  # ./perf record -e "{cpu_core/slots/,cpu_core/cycles/,cpu_core/topdown-retiring/}:S" -a sleep 1
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.238 MB perf.data (369 samples) ]

Fixes: acb65150a4 ("perf record: Support sample-read topdown metric group")
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220602153603.1884710-1-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:30:10 +02:00
Namhyung Kim
2762c488cd perf lock: Change to synthesize task events
With -t/--threads option, it needs to display task names so synthesize
task related events at the beginning.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Fixes: 7c3bcbdf44 ("perf lock: Add -t/--thread option for report")
Link: http://lore.kernel.org/lkml/20220601065846.456965-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:26:48 +02:00
Fangrui Song
dc2cf4ca86 perf unwind: Fix segbase for ld.lld linked objects
segbase is the address of .eh_frame_hdr and table_data is segbase plus
the header size. find_proc_info computes segbase as `map->start +
segbase - map->pgoff` which is wrong when

* .eh_frame_hdr and .text are in different PT_LOAD program headers
* and their p_vaddr difference does not equal their p_offset difference

Since 10.0, ld.lld's default --rosegment -z noseparate-code layout has
such R and RX PT_LOAD program headers.

    ld.lld (default) => perf report fails to unwind `perf record
    --call-graph dwarf` recorded data
    ld.lld --no-rosegment => ok (trivial, no R PT_LOAD)
    ld.lld -z separate-code => ok but by luck: there are two PT_LOAD but
    their p_vaddr difference equals p_offset difference

    ld.bfd -z noseparate-code => ok (trivial, no R PT_LOAD)
    ld.bfd -z separate-code (default for Linux/x86) => ok but by luck:
    there are two PT_LOAD but their p_vaddr difference equals p_offset
    difference

To fix the issue, compute segbase as dso's base address plus
PT_GNU_EH_FRAME's p_vaddr. The base address is computed by iterating
over all dso-associated maps and then subtract the first PT_LOAD p_vaddr
(the minimum guaranteed by generic ABI) from the minimum address.

In libunwind, find_proc_info transitively called by unw_step is cached,
so the iteration overhead is acceptable.

Reported-by: Sebastian Ullrich <sebasti@nullri.ch>
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Fangrui Song <maskray@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: llvm@lists.linux.dev
Link: https://github.com/ClangBuiltLinux/linux/issues/1646
Link: https://lore.kernel.org/r/20220527182039.673248-1-maskray@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:20:25 +02:00
German Gomez
4f52ca1358 perf test arm-spe: Check if perf-record hangs when recording workload with forks
Add shell test to check if perf-record hangs when recording an arm_spe
event with forks.

The test FAILS if the Kernel is not patched with Commit 961c391217 ("perf:
Always wake the parent event").

Unpatched Kernel:

  $ perf test -v 90
  90: Check Arm SPE doesn't hang when there are forks
  --- start ---
  test child forked, pid 14232
  Recording workload with fork
  Log lines = 90 /tmp/__perf_test.stderr.0Nu0U
  Log lines after 1 second = 90 /tmp/__perf_test.stderr.0Nu0U
  SPE hang test: FAIL
  test child finished with -1
  ---- end ----
  Check Arm SPE trace data in workload with forks: FAILED!

Patched Kernel:

  $ perf test -v 90
  90: Check Arm SPE doesn't hang when there are forks
  --- start ---
  test child forked, pid 2930
  Compiling test program...
  Recording workload...
  Log lines = 478 /tmp/__perf_test.log.026AI
  Log lines after 1 second = 557 /tmp/__perf_test.log.026AI
  SPE hang test: PASS
  Cleaning up files...
  test child finished with 0
  ---- end ----
  Check Arm SPE trace data in workload with forks: Ok

Reviewed-by: James Clark <james.clark@arm.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: German Gomez <german.gomez@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220228165655.3920-1-german.gomez@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:18:35 +02:00
Paulo Alcantara
ef605e8682 cifs: skip trailing separators of prefix paths
During DFS failover, prefix paths may change, so make sure to not
leave trailing separators when parsing thew in
dfs_cache_get_tgt_share().  The separators of prefix paths are already
handled by build_path_from_dentry_optional_prefix().

Consider the following DFS link:

  //dom/dfs/link: [\srv1\share\dir1, \srv2\share\dir1]

Before commit:

  mount.cifs //dom/dfs/link
  tree connect to \\srv1\share; prefix_path=dir1
  disconnect srv1; failover to srv2
  tree connect to \\srv2\share; prefix_path=dir1\
  mv foo bar

  ...
  SMB2 430 Create Request File: dir1\\foo;GetInfo Request FILE_INFO/SMB2_FILE_ALL_INFO;Close Request
  SMB2 582 Create Response File: dir1\\foo;GetInfo Response;Close Response
  SMB2 430 Create Request File: dir1\\bar;GetInfo Request FILE_INFO/SMB2_FILE_ALL_INFO;Close Request
  SMB2 286 Create Response, Error: STATUS_OBJECT_NAME_NOT_FOUND;GetInfo Response, Error: STATUS_OBJECT_NAME_NOT_FOUND;Close Response, Error: STATUS_OBJECT_NAME_NOT_FOUND
  SMB2 462 Create Request File: dir1\\foo;SetInfo Request FILE_INFO/SMB2_FILE_RENAME_INFO NewName:dir1\\bar;Close Request
  SMB2 478 Create Response File: dir1\\foo;SetInfo Response, Error: STATUS_OBJECT_NAME_INVALID;Close Response

After commit:

  mount.cifs //dom/dfs/link
  tree connect to \\srv1\share; prefix_path=dir1
  disconnect srv1; failover to srv2
  tree connect to \\srv2\share; prefix_path=dir1
  mv foo bar

  ...
  SMB2 430 Create Request File: dir1\foo;GetInfo Request FILE_INFO/SMB2_FILE_ALL_INFO;Close Request
  SMB2 582 Create Response File: dir1\foo;GetInfo Response;Close Response
  SMB2 430 Create Request File: dir1\bar;GetInfo Request FILE_INFO/SMB2_FILE_ALL_INFO;Close Request
  SMB2 286 Create Response, Error: STATUS_OBJECT_NAME_NOT_FOUND;GetInfo Response, Error: STATUS_OBJECT_NAME_NOT_FOUND;Close Response, Error: STATUS_OBJECT_NAME_NOT_FOUND
  SMB2 462 Create Request File: dir1\foo;SetInfo Request FILE_INFO/SMB2_FILE_RENAME_INFO NewName:dir1\bar;Close Request
  SMB2 478 Create Response File: dir1\foo;SetInfo Response;Close Response

Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
2022-06-03 14:14:58 -05:00
Ian Rogers
8db43088ef perf docs: Correct typo of event_sources
The sysfs directory is called event_source.

Before:

  $ ls -la /sys/bus/event_sources/devices/cpu/format/
  ls: cannot access '/sys/bus/event_sources/devices/cpu/format/': No such file or directory
  $

After:

  $ ls -la /sys/bus/event_source/devices/cpu/format/
  total 0
  drwxr-xr-x. 2 root root    0 Jun  2 15:36 .
  drwxr-xr-x. 6 root root    0 Jun  2 15:35 ..
  -r--r--r--. 1 root root 4096 Jun  2 15:36 any
  -r--r--r--. 1 root root 4096 Jun  2 15:36 cmask
  -r--r--r--. 1 root root 4096 Jun  2 15:36 edge
  -r--r--r--. 1 root root 4096 Jun  2 15:36 event
  -r--r--r--. 1 root root 4096 Jun  2 15:36 frontend
  -r--r--r--. 1 root root 4096 Jun  2 15:36 inv
  -r--r--r--. 1 root root 4096 Jun  2 15:36 ldlat
  -r--r--r--. 1 root root 4096 Jun  2 15:36 offcore_rsp
  -r--r--r--. 1 root root 4096 Jun  2 15:36 pc
  -r--r--r--. 1 root root 4096 Jun  2 15:36 umask
  $

Reviewed-by: Sandipan Das <sandipan.das@amd.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Alyssa Ross <hi@alyssa.is>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joshua Martinez <joshuamart@google.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Like Xu <likexu@tencent.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220603045744.2815559-1-irogers@google.com
Reported-by: Kevin Nomura <nomurak@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-06-03 21:14:51 +02:00
Zhengjun Xing
e69a5c0102 perf evlist: Extend arch_evsel__must_be_in_group to support hybrid systems
For the hybrid system, the "slots" event changes to "cpu_core/slots/", need
extend API arch_evsel__must_be_in_group() to support hybrid systems.

In the origin code, for hybrid system event "cpu_core/slots/", the output
of the API arch_evsel__must_be_in_group() is "false" (in fact,it should be
"true"). Currently only one API evsel__remove_from_group() calls it. In
evsel__remove_from_group(), it adds the second condition to check, so the
output of evsel__remove_from_group() still is correct. That's the reason
why there isn't an instant error. I'd like to fix the issue found in API
arch_evsel__must_be_in_group() in case someone else using the function in
the other place.

Fixes: d98079c05b ("perf evlist: Keep topdown counters in weak group")
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20220601152544.1842447-1-zhengjun.xing@linux.intel.com
Cc: peterz@infradead.org
Cc: adrian.hunter@intel.com
Cc: alexander.shishkin@intel.com
Cc: acme@kernel.org
Cc: ak@linux.intel.com
Cc: jolsa@redhat.com
Cc: mingo@redhat.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
2022-06-03 21:12:34 +02:00
Saravana Kannan
9be4cbd09d driver core: Set default deferred_probe_timeout back to 0.
Since we had to effectively reverted
commit 35a672363a ("driver core: Ensure wait_for_device_probe() waits
until the deferred_probe_timeout fires") in an earlier patch, a non-zero
deferred_probe_timeout will break NFS rootfs mounting [1] again. So, set
the default back to zero until we can fix that.

[1] - https://lore.kernel.org/lkml/TYAPR01MB45443DF63B9EF29054F7C41FD8C60@TYAPR01MB4544.jpnprd01.prod.outlook.com/

Fixes: 2b28a1a84a ("driver core: Extend deferred probe timeout on driver registration")
Cc: Mark Brown <broonie@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20220526034609.480766-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-06-03 11:58:54 -07:00
Saravana Kannan
5ee76c256e driver core: Fix wait_for_device_probe() & deferred_probe_timeout interaction
Mounting NFS rootfs was timing out when deferred_probe_timeout was
non-zero [1].  This was because ip_auto_config() initcall times out
waiting for the network interfaces to show up when
deferred_probe_timeout was non-zero. While ip_auto_config() calls
wait_for_device_probe() to make sure any currently running deferred
probe work or asynchronous probe finishes, that wasn't sufficient to
account for devices being deferred until deferred_probe_timeout.

Commit 35a672363a ("driver core: Ensure wait_for_device_probe() waits
until the deferred_probe_timeout fires") tried to fix that by making
sure wait_for_device_probe() waits for deferred_probe_timeout to expire
before returning.

However, if wait_for_device_probe() is called from the kernel_init()
context:

- Before deferred_probe_initcall() [2], it causes the boot process to
  hang due to a deadlock.

- After deferred_probe_initcall() [3], it blocks kernel_init() from
  continuing till deferred_probe_timeout expires and beats the point of
  deferred_probe_timeout that's trying to wait for userspace to load
  modules.

Neither of this is good. So revert the changes to
wait_for_device_probe().

[1] - https://lore.kernel.org/lkml/TYAPR01MB45443DF63B9EF29054F7C41FD8C60@TYAPR01MB4544.jpnprd01.prod.outlook.com/
[2] - https://lore.kernel.org/lkml/YowHNo4sBjr9ijZr@dev-arch.thelio-3990X/
[3] - https://lore.kernel.org/lkml/Yo3WvGnNk3LvLb7R@linutronix.de/

Fixes: 35a672363a ("driver core: Ensure wait_for_device_probe() waits until the deferred_probe_timeout fires")
Cc: John Stultz <jstultz@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Basil Eljuse <Basil.Eljuse@arm.com>
Cc: Ferry Toth <fntoth@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: linux-pm@vger.kernel.org
Reported-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: John Stultz <jstultz@google.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20220526034609.480766-2-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-06-03 11:58:54 -07:00
Arnd Bergmann
7036440eab ARM: omap1: enable multiplatform
With all the header files out of the way, and the clock driver
converted to the common framework, nothing stops us from building
OMAP together with the other platforms.

As usual, the decompressor support is a victim here, and is
only available when CONFIG_DEBUG_LL is configured for the
particular board.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-03 20:48:53 +02:00
Janusz Krzysztofik
c73b9099da ARM: OMAP1: clock: Convert to CCF
OMAP1 still uses its own implementation of standard clock API defined in
include/linux/clk.h.  Internals of that implementation are not visible
outside OMAP1 directory.  As a consequence, device drivers are not able to
register clocks potentially provided by peripheral devices.

Drop OMAP1 implementation of the clock API and enable common clock
framework.  Modify the remaining low level code to be compatible with
clock provider API and register the clocks with CCF.

Move initialisation of clocks to omap1_timer_init() to avoid memory
allocation issues at early setup phase from where omap1_init_early() is
called.  Register the clocks after initialization of clock I/O registers,
local clock pointers used by OMAP1 clock ops, and local .rate fields of
clocks with no local implementation of .recalc ops, so CCF structures are
populated with correct data during clock registration.  Instead of
enabling some of the registered clocks, flag them for CCF as critical.
Introduce .is_enabled op using code that verifies hardware status of clock
enablement, split out from implementation of .disable_unused op, so the
latter is actually called by CCF for not requested but hardware enabled
clocks.  Add .round_rate ops where missing so .set_rate ops are called by
CCF as expected.  Since CCF allows parallel execution of .enable/.disable
and .set_rate ops, protect registers shared among those groups of ops from
concurrent access with spinlocks.  Drop local debugfs support in favor of
that provided by CCF.

v2: flag tc2_ck as CLK_IS_CRITICAL (Aaro)
v3: rebase on top of soc/omap1-multiplatform-5.18,
  - drop no longer needed includes from arch/arm/mach-omap1/io.c

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-06-03 20:48:53 +02:00
Linus Torvalds
500a434fc5 Driver core changes for 5.19-rc1
Here is the set of driver core changes for 5.19-rc1.
 
 Note, I'm not really happy with this pull request as-is, see below for
 details, but overall this is all good for everything but a small set of
 systems, which we have a fix for already.
 
 Lots of tiny driver core changes and cleanups happened this cycle,
 but the two major things were:
 
 	- firmware_loader reorganization and additions including the
 	  ability to have XZ compressed firmware images and the ability
 	  for userspace to initiate the firmware load when it needs to,
 	  instead of being always initiated by the kernel. FPGA devices
 	  specifically want this ability to have their firmware changed
 	  over the lifetime of the system boot, and this allows them to
 	  work without having to come up with yet-another-custom-uapi
 	  interface for loading firmware for them.
 	- physical location support added to sysfs so that devices that
 	  know this information, can tell userspace where they are
 	  located in a common way.  Some ACPI devices already support
 	  this today, and more bus types should support this in the
 	  future.
 
 Smaller changes included:
 	- driver_override api cleanups and fixes
 	- error path cleanups and fixes
 	- get_abi script fixes
 	- deferred probe timeout changes.
 
 It's that last change that I'm the most worried about.  It has been
 reported to cause boot problems for a number of systems, and I have a
 tested patch series that resolves this issue.  But I didn't get it
 merged into my tree before 5.18-final came out, so it has not gotten any
 linux-next testing.
 
 I'll send the fixup patches (there are 2) as a follow-on series to this
 pull request if you want to take them directly, _OR_ I can just revert
 the probe timeout changes and they can wait for the next -rc1 merge
 cycle.  Given that the fixes are tested, and pretty simple, I'm leaning
 toward that choice.  Sorry this all came at the end of the merge window,
 I should have resolved this all 2 weeks ago, that's my fault as it was
 in the middle of some travel for me.
 
 All have been tested in linux-next for weeks, with no reported issues
 other than the above-mentioned boot time outs.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of driver core changes for 5.19-rc1.

  Lots of tiny driver core changes and cleanups happened this cycle, but
  the two major things are:

   - firmware_loader reorganization and additions including the ability
     to have XZ compressed firmware images and the ability for userspace
     to initiate the firmware load when it needs to, instead of being
     always initiated by the kernel. FPGA devices specifically want this
     ability to have their firmware changed over the lifetime of the
     system boot, and this allows them to work without having to come up
     with yet-another-custom-uapi interface for loading firmware for
     them.

   - physical location support added to sysfs so that devices that know
     this information, can tell userspace where they are located in a
     common way. Some ACPI devices already support this today, and more
     bus types should support this in the future.

  Smaller changes include:

   - driver_override api cleanups and fixes

   - error path cleanups and fixes

   - get_abi script fixes

   - deferred probe timeout changes.

  It's that last change that I'm the most worried about. It has been
  reported to cause boot problems for a number of systems, and I have a
  tested patch series that resolves this issue. But I didn't get it
  merged into my tree before 5.18-final came out, so it has not gotten
  any linux-next testing.

  I'll send the fixup patches (there are 2) as a follow-on series to this
  pull request.

  All have been tested in linux-next for weeks, with no reported issues
  other than the above-mentioned boot time-outs"

* tag 'driver-core-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
  driver core: fix deadlock in __device_attach
  kernfs: Separate kernfs_pr_cont_buf and rename_lock.
  topology: Remove unused cpu_cluster_mask()
  driver core: Extend deferred probe timeout on driver registration
  MAINTAINERS: add Russ Weight as a firmware loader maintainer
  driver: base: fix UAF when driver_attach failed
  test_firmware: fix end of loop test in upload_read_show()
  driver core: location: Add "back" as a possible output for panel
  driver core: location: Free struct acpi_pld_info *pld
  driver core: Add "*" wildcard support to driver_async_probe cmdline param
  driver core: location: Check for allocations failure
  arch_topology: Trace the update thermal pressure
  kernfs: Rename kernfs_put_open_node to kernfs_unlink_open_file.
  export: fix string handling of namespace in EXPORT_SYMBOL_NS
  rpmsg: use local 'dev' variable
  rpmsg: Fix calling device_lock() on non-initialized device
  firmware_loader: describe 'module' parameter of firmware_upload_register()
  firmware_loader: Move definitions from sysfs_upload.h to sysfs.h
  firmware_loader: Fix configs for sysfs split
  selftests: firmware: Add firmware upload selftests
  ...
2022-06-03 11:48:47 -07:00
Linus Torvalds
6f9b5ed8ca Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
Here is the large set of char, misc, and other driver subsystem updates
 for 5.19-rc1.  The merge request for this has been delayed as I wanted
 to get lots of linux-next testing due to some late arrivals of changes
 for the habannalabs driver.
 
 Highlights of this merge are:
 	- habanalabs driver updates for new hardware types and fixes and
 	  other updates
 	- IIO driver tree merge which includes loads of new IIO drivers
 	  and cleanups and additions
 	- PHY driver tree merge with new drivers and small updates to
 	  existing ones
 	- interconnect driver tree merge with fixes and updates
 	- soundwire driver tree merge with some small fixes
 	- coresight driver tree merge with small fixes and updates
 	- mhi bus driver tree merge with lots of updates and new device
 	  support
 	- firmware driver updates
 	- fpga driver updates
 	- lkdtm driver updates (with a merge conflict, more on that
 	  below)
 	- extcon driver tree merge with small updates
 	- lots of other tiny driver updates and fixes and cleanups, full
 	  details in the shortlog.
 
 All of these have been in linux-next for almost 2 weeks with no reported
 problems.
 
 Note, there are 3 merge conflicts when merging this with your tree:
 	- MAINTAINERS, should be easy to resolve
 	- drivers/slimbus/qcom-ctrl.c, should be straightforward
 	  resolution
 	- drivers/misc/lkdtm/stackleak.c, not an easy resolution.  This
 	  has been noted in the linux-next tree for a while, and
 	  resolved there, here's a link to the resolution that Stephen
 	  came up with and that Kees says is correct:
 	  	https://lore.kernel.org/r/20220509185344.3fe1a354@canb.auug.org.au
 
 I will be glad to provide a merge point that contains these resolutions
 if that makes things any easier for you.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc / other smaller driver subsystem updates from Greg KH:
 "Here is the large set of char, misc, and other driver subsystem
  updates for 5.19-rc1. The merge request for this has been delayed as I
  wanted to get lots of linux-next testing due to some late arrivals of
  changes for the habannalabs driver.

  Highlights of this merge are:

   - habanalabs driver updates for new hardware types and fixes and
     other updates

   - IIO driver tree merge which includes loads of new IIO drivers and
     cleanups and additions

   - PHY driver tree merge with new drivers and small updates to
     existing ones

   - interconnect driver tree merge with fixes and updates

   - soundwire driver tree merge with some small fixes

   - coresight driver tree merge with small fixes and updates

   - mhi bus driver tree merge with lots of updates and new device
     support

   - firmware driver updates

   - fpga driver updates

   - lkdtm driver updates (with a merge conflict, more on that below)

   - extcon driver tree merge with small updates

   - lots of other tiny driver updates and fixes and cleanups, full
     details in the shortlog.

  All of these have been in linux-next for almost 2 weeks with no
  reported problems"

* tag 'char-misc-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (387 commits)
  habanalabs: use separate structure info for each error collect data
  habanalabs: fix missing handle shift during mmap
  habanalabs: remove hdev from hl_ctx_get args
  habanalabs: do MMU prefetch as deferred work
  habanalabs: order memory manager messages
  habanalabs: return -EFAULT on copy_to_user error
  habanalabs: use NULL for eventfd
  habanalabs: update firmware header
  habanalabs: add support for notification via eventfd
  habanalabs: add topic to memory manager buffer
  habanalabs: handle race in driver fini
  habanalabs: add device memory scrub ability through debugfs
  habanalabs: use unified memory manager for CB flow
  habanalabs: unified memory manager new code for CB flow
  habanalabs/gaudi: set arbitration timeout to a high value
  habanalabs: add put by handle method to memory manager
  habanalabs: hide memory manager page shift
  habanalabs: Add separate poll interval value for protocol
  habanalabs: use get_task_pid() to take PID
  habanalabs: add prefetch flag to the MAP operation
  ...
2022-06-03 11:36:34 -07:00
Linus Torvalds
54c2cc7919 USB / Thunderbolt changes for 5.19-rc1
Here is the "big" set of USB and Thunderbolt driver changes for
 5.18-rc1.  For the most part it's been a quiet development cycle for the
 USB core, but there are the usual "hot spots" of development activity.
 
 Included in here are:
 	- Thunderbolt driver updates:
 		- fixes for devices without displayport adapters
 		- lane bonding support and improvements
 		- other minor changes based on device testing
 	- dwc3 gadget driver changes.  It seems this driver will never
 	  be finished given that the IP core is showing up in zillions
 	  of new devices and each implementation decides to do something
 	  different with it...
 	- uvc gadget driver updates as more devices start to use and
 	  rely on this hardware as well
 	- usb_maxpacket() api changes to remove an unneeded and unused
 	  parameter.
 	- usb-serial driver device id updates and small cleanups
 	- typec cleanups and fixes based on device testing
 	- device tree updates for usb properties
 	- lots of other small fixes and driver updates.
 
 All of these have been in linux-next for weeks with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the "big" set of USB and Thunderbolt driver changes for
  5.18-rc1. For the most part it's been a quiet development cycle for
  the USB core, but there are the usual "hot spots" of development
  activity.

  Included in here are:

   - Thunderbolt driver updates:
       - fixes for devices without displayport adapters
       - lane bonding support and improvements
       - other minor changes based on device testing

   - dwc3 gadget driver changes.

     It seems this driver will never be finished given that the IP core
     is showing up in zillions of new devices and each implementation
     decides to do something different with it...

   - uvc gadget driver updates as more devices start to use and rely on
     this hardware as well

   - usb_maxpacket() api changes to remove an unneeded and unused
     parameter.

   - usb-serial driver device id updates and small cleanups

   - typec cleanups and fixes based on device testing

   - device tree updates for usb properties

   - lots of other small fixes and driver updates.

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

* tag 'usb-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
  USB: new quirk for Dell Gen 2 devices
  usb: dwc3: core: Add error log when core soft reset failed
  usb: dwc3: gadget: Move null pinter check to proper place
  usb: hub: Simplify error and success path in port_over_current_notify
  usb: cdns3: allocate TX FIFO size according to composite EP number
  usb: dwc3: Fix ep0 handling when getting reset while doing control transfer
  usb: Probe EHCI, OHCI controllers asynchronously
  usb: isp1760: Fix out-of-bounds array access
  xhci: Don't defer primary roothub registration if there is only one roothub
  USB: serial: option: add Quectel BG95 modem
  USB: serial: pl2303: fix type detection for odd device
  xhci: Allow host runtime PM as default for Intel Alder Lake N xHCI
  xhci: Remove quirk for over 10 year old evaluation hardware
  xhci: prevent U2 link power state if Intel tier policy prevented U1
  xhci: use generic command timer for stop endpoint commands.
  usb: host: xhci-plat: omit shared hcd if either root hub has no ports
  usb: host: xhci-plat: prepare operation w/o shared hcd
  usb: host: xhci-plat: create shared hcd after having added main hcd
  xhci: prepare for operation w/o shared hcd
  xhci: factor out parts of xhci_gen_setup()
  ...
2022-06-03 11:17:49 -07:00
Linus Torvalds
932c2989b5 TTY / Serial driver changes for 5.19-rc1
Here is the big set of tty and serial driver updates for 5.19-rc1.
 
 Lots of tiny cleanups in here, the major stuff is:
 	- termbit cleanups and unification by Ilpo.  A much needed
 	  change that goes a long way to making things simpler for all
 	  of the different arches
 	- tty documentation cleanups and movements to their own place in
 	  the documentation tree
 	- old tty driver cleanups and fixes from Jiri to bring some
 	  existing drivers into the modern world
 	- RS485 cleanups and unifications to make it easier for
 	  individual drivers to support this mode instead of having to
 	  duplicate logic in each driver
 	- Lots of 8250 driver updates and additions
 	- new device id additions
 	- n_gsm continued fixes and cleanups
 	- other minor serial driver updates and cleanups
 
 All of these have been in linux-next for weeks with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty and serial driver updates from Greg KH:
 "Here is the big set of tty and serial driver updates for 5.19-rc1.

  Lots of tiny cleanups in here, the major stuff is:

   - termbit cleanups and unification by Ilpo. A much needed change that
     goes a long way to making things simpler for all of the different
     arches

   - tty documentation cleanups and movements to their own place in the
     documentation tree

   - old tty driver cleanups and fixes from Jiri to bring some existing
     drivers into the modern world

   - RS485 cleanups and unifications to make it easier for individual
     drivers to support this mode instead of having to duplicate logic
     in each driver

   - Lots of 8250 driver updates and additions

   - new device id additions

   - n_gsm continued fixes and cleanups

   - other minor serial driver updates and cleanups

  All of these have been in linux-next for weeks with no reported issues"

* tag 'tty-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (166 commits)
  tty: Rework receive flow control char logic
  pcmcia: synclink_cs: Don't allow CS5-6
  serial: stm32-usart: Correct CSIZE, bits, and parity
  serial: st-asc: Sanitize CSIZE and correct PARENB for CS7
  serial: sifive: Sanitize CSIZE and c_iflag
  serial: sh-sci: Don't allow CS5-6
  serial: txx9: Don't allow CS5-6
  serial: rda-uart: Don't allow CS5-6
  serial: digicolor-usart: Don't allow CS5-6
  serial: uartlite: Fix BRKINT clearing
  serial: cpm_uart: Fix build error without CONFIG_SERIAL_CPM_CONSOLE
  serial: core: Do stop_rx in suspend path for console if console_suspend is disabled
  tty: serial: qcom-geni-serial: Remove uart frequency table. Instead, find suitable frequency with call to clk_round_rate.
  dt-bindings: serial: renesas,em-uart: Add RZ/V2M clock to access the registers
  serial: 8250_fintek: Check SER_RS485_RTS_* only with RS485
  Revert "serial: 8250_mtk: Make sure to select the right FEATURE_SEL"
  serial: msm_serial: disable interrupts in __msm_console_write()
  serial: meson: acquire port->lock in startup()
  serial: 8250_dw: Use dev_err_probe()
  serial: 8250_dw: Use devm_add_action_or_reset()
  ...
2022-06-03 11:08:40 -07:00
Linus Torvalds
4ad680f083 Staging driver updates for 5.19-rc1
Here is the big set of staging driver updates for 5.19-rc1.
 
 Lots of forward progress happened this development cycle, one driver
 (wfx wireless driver) got merged into the real portion of the kernel,
 and another one (unisys) was removed as no one is around anymore to take
 care of it and no one has the hardware.  Combined with loads of tiny
 driver cleanups overall we removed 13k lines of code from the tree, a
 nice improvement.
 
 Other than the wfx and unisys driver changes the major points of this
 merge is:
 	- r8188eu driver cleanups.  So many cleanups.  It's amazing just
 	  how many things have been cleaned up here, and yet, how many
 	  remain to go.  Lots of work happened here, and it doesn't look
 	  to slow down any time soon.
 	- other wifi driver cleanups.  Not as many as the r8188eu
 	  driver, but still pretty impressive from a janitorial point of
 	  view.
 	- bcm2853 driver cleanups
 	- other very minor driver cleanups
 
 All of these have been in the linux-next tree for weeks with no reported
 issues.
 
 Note, you will have a merge conflict in the
 drivers/net/wireless/silabs/wfx/sta.c file, please just take the change
 that came in from the wifi tree.  We thought as I had pulled the same
 merge point from the wifi developers this type of conflict wouldn't have
 happened, but for some reason git flags it as something to pay attention
 to and couldn't resolve it itself.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver updates for 5.19-rc1.

  Lots of forward progress happened this development cycle, one driver
  (wfx wireless driver) got merged into the real portion of the kernel,
  and another one (unisys) was removed as no one is around anymore to
  take care of it and no one has the hardware. Combined with loads of
  tiny driver cleanups overall we removed 13k lines of code from the
  tree, a nice improvement.

  Other than the wfx and unisys driver changes the major points of this
  merge is:

   - r8188eu driver cleanups. So many cleanups. It's amazing just how
     many things have been cleaned up here, and yet, how many remain to
     go. Lots of work happened here, and it doesn't look to slow down
     any time soon.

   - other wifi driver cleanups. Not as many as the r8188eu driver, but
     still pretty impressive from a janitorial point of view.

   - bcm2853 driver cleanups

   - other very minor driver cleanups

  All of these have been in the linux-next tree for weeks with no
  reported issues"

* tag 'staging-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (363 commits)
  staging: r8188eu: remove include/rtw_debug.h
  staging: r8188eu: prevent ->Ssid overflow in rtw_wx_set_scan()
  staging: r8188eu: delete rtw_wx_read/write32()
  staging: r8188eu: Remove multiple assignments
  staging: r8188eu: add check for kzalloc
  staging: r8188eu: fix warnings in rtw_wlan_util
  staging: r8188eu: fix warnings in rtw_pwrctrl
  staging: r8188eu: fix warnings in rtw_p2p
  staging: rtl8712: fix uninit-value in r871xu_drv_init()
  staging: rtl8712: fix uninit-value in usb_read8() and friends
  staging: rtl8712: add error handler in r8712_usbctrl_vendorreq()
  staging: r8188eu: remove _drv_ defines from include/rtw_debug.h
  staging: vc04_services: remove unused macro
  staging: rtl8192u: remove null check after call container_of()
  staging: rtl8192e: remove null check after call container_of()
  staging: ks7010: remove null check after call container_of()
  staging: r8188eu: remove HW_VAR_AC_PARAM_BE from SetHwReg8188EU()
  staging: r8188eu: assoc_rsp and assoc_rsp_len are not used
  staging: r8188eu: last_rx_mgnt_pkts is set but not used
  staging: r8188eu: simplify error handling in recv_func_prehandle
  ...
2022-06-03 10:44:43 -07:00
Linus Torvalds
04d93b2b8b SPDX changes for 5.19-rc1
Here are some SPDX (i.e. licensing) changes for 5.19-rc1
 
 The SPDX-labeling effort has started to pick up again, so here are some
 changes for various parts of the tree that are related to this effort.
 
 Included in here are:
 	- freevxfs license updates
 	- spihash.c license cleanups
 	- spdxcheck script updates to make things easier to work with
 	  going forward
 
 All of the license updates came from the original authors/copyright
 holders of the code involved.
 
 All of these have been in linux-next for weeks with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx

Pull SPDX updates from Greg KH:
 "Here are some SPDX license marker changes.

  The SPDX-labeling effort has started to pick up again, so here are
  some changes for various parts of the tree that are related to this
  effort.

  Included in here are:

   - freevxfs license updates

   - spihash.c license cleanups

   - spdxcheck script updates to make things easier to work with going
     forward

  All of the license updates came from the original authors/copyright
  holders of the code involved.

  All of these have been in linux-next for weeks with no reported
  issues"

* tag 'spdx-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
  siphash: add SPDX tags as sole licensing authority
  scripts/spdxcheck: Exclude top-level README
  scripts/spdxcheck: Exclude MAINTAINERS/CREDITS
  scripts/spdxcheck: Exclude config directories
  scripts/spdxcheck: Put excluded files and directories into a separate file
  scripts/spdxcheck: Add option to display files without SPDX
  scripts/spdxcheck: Add [sub]directory statistics
  scripts/spdxcheck: Add directory statistics
  scripts/spdxcheck: Add percentage to statistics
  freevxfs: relicense to GPLv2 only
2022-06-03 10:34:34 -07:00
Linus Torvalds
78c6499c92 for-5.19/drivers-2022-06-02
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Merge tag 'for-5.19/drivers-2022-06-02' of git://git.kernel.dk/linux-block

Pull more block driver updates from Jens Axboe:
 "A collection of stragglers that were late on sending in their changes
  and just followup fixes.

   - NVMe fixes pull request via Christoph:
       - set controller enable bit in a separate write (Niklas Cassel)
       - disable namespace identifiers for the MAXIO MAP1001 (Christoph)
       - fix a comment typo (Julia Lawall)"

   - MD fixes pull request via Song:
       - Remove uses of bdevname (Christoph Hellwig)
       - Bug fixes (Guoqing Jiang, and Xiao Ni)

   - bcache fixes series (Coly)

   - null_blk zoned write fix (Damien)

   - nbd fixes (Yu, Zhang)

   - Fix for loop partition scanning (Christoph)"

* tag 'for-5.19/drivers-2022-06-02' of git://git.kernel.dk/linux-block: (23 commits)
  block: null_blk: Fix null_zone_write()
  nvmet: fix typo in comment
  nvme: set controller enable bit in a separate write
  nvme-pci: disable namespace identifiers for the MAXIO MAP1001
  bcache: avoid unnecessary soft lockup in kworker update_writeback_rate()
  nbd: use pr_err to output error message
  nbd: fix possible overflow on 'first_minor' in nbd_dev_add()
  nbd: fix io hung while disconnecting device
  nbd: don't clear 'NBD_CMD_INFLIGHT' flag if request is not completed
  nbd: fix race between nbd_alloc_config() and module removal
  nbd: call genl_unregister_family() first in nbd_cleanup()
  md: bcache: check the return value of kzalloc() in detached_dev_do_request()
  bcache: memset on stack variables in bch_btree_check() and bch_sectors_dirty_init()
  block, loop: support partitions without scanning
  bcache: avoid journal no-space deadlock by reserving 1 journal bucket
  bcache: remove incremental dirty sector counting for bch_sectors_dirty_init()
  bcache: improve multithreaded bch_sectors_dirty_init()
  bcache: improve multithreaded bch_btree_check()
  md: fix double free of io_acct_set bioset
  md: Don't set mddev private to NULL in raid0 pers->free
  ...
2022-06-03 10:25:56 -07:00
Linus Torvalds
72fbbc3d0e for-5.19/block-exec-2022-06-02
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Merge tag 'for-5.19/block-exec-2022-06-02' of git://git.kernel.dk/linux-block

Pull block request execute cleanups from Jens Axboe:
 "This change was advertised in the initial core block pull request, but
  didn't actually make that branch as we deferred it to a post-merge
  pull request to avoid a bunch of cross branch issues.

  This series cleans up the block execute path quite nicely"

* tag 'for-5.19/block-exec-2022-06-02' of git://git.kernel.dk/linux-block:
  blk-mq: remove the done argument to blk_execute_rq_nowait
  blk-mq: avoid a mess of casts for blk_end_sync_rq
  blk-mq: remove __blk_execute_rq_nowait
2022-06-03 10:21:43 -07:00
Linus Torvalds
34845d92bc for-5.19/block-2022-06-02
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Merge tag 'for-5.19/block-2022-06-02' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Just a collection of fixes that have been queued up since the initial
  merge window pull request, the majority of which are targeted for
  stable as well.

  One bio_set fix that fixes an issue with the dm adoption of cached bio
  structs that got introduced in this merge window"

* tag 'for-5.19/block-2022-06-02' of git://git.kernel.dk/linux-block:
  block: Fix potential deadlock in blk_ia_range_sysfs_show()
  block: fix bio_clone_blkg_association() to associate with proper blkcg_gq
  block: remove useless BUG_ON() in blk_mq_put_tag()
  blk-mq: do not update io_ticks with passthrough requests
  block: make bioset_exit() fully resilient against being called twice
  block: use bio_queue_enter instead of blk_queue_enter in bio_poll
  block: document BLK_STS_AGAIN usage
  block: take destination bvec offsets into account in bio_copy_data_iter
  blk-iolatency: Fix inflight count imbalances and IO hangs on offline
  blk-mq: don't touch ->tagset in blk_mq_get_sq_hctx
2022-06-03 10:14:48 -07:00
Linus Torvalds
5ac8bdb9ad io_uring-5.19-2022-06-02
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Merge tag 'io_uring-5.19-2022-06-02' of git://git.kernel.dk/linux-block

Pull more io_uring updates from Jens Axboe:

 - A small series with some prep patches for the upcoming 5.20 split of
   the io_uring.c file. No functional changes here, just minor bits that
   are nice to get out of the way now (me)

 - Fix for a memory leak in high numbered provided buffer groups,
   introduced in the merge window (me)

 - Wire up the new socket opcode for allocated direct descriptors,
   making it consistent with the other opcodes that can instantiate a
   descriptor (me)

 - Fix for the inflight tracking, should go into 5.18-stable as well
   (me)

 - Fix for a deadlock for io-wq offloaded file slot allocations (Pavel)

 - Direct descriptor failure fput leak fix (Xiaoguang)

 - Fix for the direct descriptor allocation hinting in case of
   unsuccessful install (Xiaoguang)

* tag 'io_uring-5.19-2022-06-02' of git://git.kernel.dk/linux-block:
  io_uring: reinstate the inflight tracking
  io_uring: fix deadlock on iowq file slot alloc
  io_uring: let IORING_OP_FILES_UPDATE support choosing fixed file slots
  io_uring: defer alloc_hint update to io_file_bitmap_set()
  io_uring: ensure fput() called correspondingly when direct install fails
  io_uring: wire up allocated direct descriptors for socket
  io_uring: fix a memory leak of buffer group list on exit
  io_uring: move shutdown under the general net section
  io_uring: unify calling convention for async prep handling
  io_uring: add io_op_defs 'def' pointer in req init and issue
  io_uring: make prep and issue side of req handlers named consistently
  io_uring: make timeout prep handlers consistent with other prep handlers
2022-06-03 10:10:38 -07:00
Linus Torvalds
6e5f6a8691 vhost,virtio,vdpa: features, fixes, cleanups
mac vlan filter and stats support in mlx5 vdpa
 irq hardening in virtio
 performance improvements in virtio crypto
 polling i/o support in virtio blk
 ASID support in vhost
 fixes, cleanups all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "vhost,virtio and vdpa features, fixes, and cleanups:

   - mac vlan filter and stats support in mlx5 vdpa

   - irq hardening in virtio

   - performance improvements in virtio crypto

   - polling i/o support in virtio blk

   - ASID support in vhost

   - fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits)
  vdpa: ifcvf: set pci driver data in probe
  vdpa/mlx5: Add RX MAC VLAN filter support
  vdpa/mlx5: Remove flow counter from steering
  vhost: rename vhost_work_dev_flush
  vhost-test: drop flush after vhost_dev_cleanup
  vhost-scsi: drop flush after vhost_dev_cleanup
  vhost_vsock: simplify vhost_vsock_flush()
  vhost_test: remove vhost_test_flush_vq()
  vhost_net: get rid of vhost_net_flush_vq() and extra flush calls
  vhost: flush dev once during vhost_dev_stop
  vhost: get rid of vhost_poll_flush() wrapper
  vhost-vdpa: return -EFAULT on copy_to_user() failure
  vdpasim: Off by one in vdpasim_set_group_asid()
  virtio: Directly use ida_alloc()/free()
  virtio: use WARN_ON() to warning illegal status value
  virtio: harden vring IRQ
  virtio: allow to unbreak virtqueue
  virtio-ccw: implement synchronize_cbs()
  virtio-mmio: implement synchronize_cbs()
  virtio-pci: implement synchronize_cbs()
  ...
2022-06-03 10:02:52 -07:00
Linus Torvalds
6f6ebb9899 sound fixes for 5.19-rc1
A collection of small fixes for 5.19 merge window.  Nothing particular
 stands out, as most changes are device-specific fixes and quirks.
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Merge tag 'sound-fix-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of small fixes for 5.19 merge window. Nothing particular
  stands out, as most changes are device-specific fixes and quirks"

* tag 'sound-fix-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  selftests: alsa: Handle pkg-config failure more gracefully
  ALSA: usb-audio: Optimize TEAC clock quirk
  ASoC: da7219: cancel AAD related work earlier for jack removal
  ASoC: da7219: Fix pole orientation detection on certain headsets
  ASoC: Intel: avs: Fix build error on arc, m68k and sparc
  ALSA: hda/realtek - Fix microphone noise on ASUS TUF B550M-PLUS
  ALSA: hda/via: Delete does not require return
  ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9520 laptop
  ASoC: Intel: common: fix typo for tplg naming
  ALSA: usb-audio: Cancel pending work at closing a MIDI substream
  ALSA: usb-audio: Add mixer mapping for Gigabyte B450/550 Mobos
  ASoC: rt5640: Do not manipulate pin "Platform Clock" if the "Platform Clock" is not in the DAPM
  ASoC: SOF: amd: Fixed Build error
  ASoC: fsl_sai: Fix FSL_SAI_xDR/xFR definition
  ASoC: soc-pcm: fix BE transition for TRIGGER_START
2022-06-03 09:56:53 -07:00
Rob Herring
987cf300e7 dt-bindings: mtd: spi-nand: Add spi-peripheral-props.yaml reference
SPI peripheral device bindings need to reference spi-peripheral-props.yaml
in order to use various SPI controller specific properties. Otherwise,
the unevaluatedProperties check will reject any controller specific
properties.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20220525205909.2486153-1-robh@kernel.org
2022-06-03 11:56:27 -05:00
Linus Torvalds
ab18b7b36a drm next for 5.19-rc1 (part 2/fixes)
msm:
 - Limiting WB modes to max sspp linewidth
 - Fixing the supported rotations to add 180 back for IGT
 - Fix to handle pm_runtime_get_sync() errors to avoid unclocked access
   in the bind() path for dpu driver
 - Fix the irq_free() without request issue which was a big-time
   hitter in the CI-runs.
 
 amdgpu:
 - Update fdinfo to the common drm format
 - uapi: Add VM_NOALLOC GPUVM attribute to prevent buffers for going into the MALL
   Add AMDGPU_GEM_CREATE_DISCARDABLE flag to create buffers that can be discarded on eviction
   Mesa code which uses these: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16466
 - Link training fixes
 - DPIA fixes
 - Misc code cleanups
 - Aux fixes
 - Hotplug fixes
 - More FP clean up
 - Misc GFX9/10 fixes
 - Fix a possible memory leak in SMU shutdown
 - SMU 13 updates
 - RAS fixes
 - TMZ fixes
 - GC 11 updates
 - SMU 11 metrics fixes
 - Fix coverage blend mode for overlay plane
 - Note DDR vs LPDDR memory
 - Fuzz fix for CS IOCTL
 - Add new PCI DID
 
 amdkfd:
 - Clean up hive setup
 - Misc fixes
 
 tegra:
 - add some prelim 5.20 work to avoid inter-tree mess
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Merge tag 'drm-next-2022-06-03-1' of git://anongit.freedesktop.org/drm/drm

Pull more drm updates from Dave Airlie:
 "This is mostly regular fixes, msm and amdgpu. There is a tegra patch
  that is bit of prep work for a 5.20 feature to avoid some inter-tree
  syncs, and a couple of late addition amdgpu uAPI changes but best to
  get those in early, and the userspace pieces are ready.

  msm:
   - Limiting WB modes to max sspp linewidth
   - Fixing the supported rotations to add 180 back for IGT
   - Fix to handle pm_runtime_get_sync() errors to avoid unclocked
     access in the bind() path for dpu driver
   - Fix the irq_free() without request issue which was a big-time
     hitter in the CI-runs.

  amdgpu:
   - Update fdinfo to the common drm format
   - uapi:
       - Add VM_NOALLOC GPUVM attribute to prevent buffers for going
         into the MALL
       - Add AMDGPU_GEM_CREATE_DISCARDABLE flag to create buffers that
         can be discarded on eviction
       - Mesa code which uses these:
           https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16466
   - Link training fixes
   - DPIA fixes
   - Misc code cleanups
   - Aux fixes
   - Hotplug fixes
   - More FP clean up
   - Misc GFX9/10 fixes
   - Fix a possible memory leak in SMU shutdown
   - SMU 13 updates
   - RAS fixes
   - TMZ fixes
   - GC 11 updates
   - SMU 11 metrics fixes
   - Fix coverage blend mode for overlay plane
   - Note DDR vs LPDDR memory
   - Fuzz fix for CS IOCTL
   - Add new PCI DID

  amdkfd:
   - Clean up hive setup
   - Misc fixes

  tegra:
   - add some prelim 5.20 work to avoid inter-tree mess"

* tag 'drm-next-2022-06-03-1' of git://anongit.freedesktop.org/drm/drm: (57 commits)
  drm/msm/dpu: Move min BW request and full BW disable back to mdss
  drm/msm/dpu: Fix pointer dereferenced before checking
  drm/msm/dpu: Remove unused code
  drm/msm/disp/dpu1: remove superfluous init
  drm/msm/dp: Always clear mask bits to disable interrupts at dp_ctrl_reset_irq_ctrl()
  gpu: host1x: Add context bus
  drm/amdgpu: add drm-client-id to fdinfo v2
  drm/amdgpu: Convert to common fdinfo format v5
  drm/amdgpu: bump minor version number
  drm/amdgpu: add AMDGPU_VM_NOALLOC v2
  drm/amdgpu: add AMDGPU_GEM_CREATE_DISCARDABLE
  drm/amdgpu: add beige goby PCI ID
  drm/amd/pm: Return auto perf level, if unsupported
  drm/amdkfd: fix typo in comment
  drm/amdgpu/gfx: fix typos in comments
  drm/amdgpu/cs: make commands with 0 chunks illegal behaviour.
  drm/amdgpu: differentiate between LP and non-LP DDR memory
  drm/amdgpu: Resolve pcie_bif RAS recovery bug
  drm/amdgpu: clean up asd on the ta_firmware_header_v2_0
  drm/amdgpu/discovery: validate VCN and SDMA instances
  ...
2022-06-03 09:49:29 -07:00
Rob Herring
e1dff7f133 dt-bindings: memory-controllers: ingenic: Split out child node properties
Binding schemas which define child node properties such as memory
controllers with timing properties need a separate schema which can be
referenced from child device schemas. This is necessary for
unevaluatedProperties checks to work properly.

Move the ingenic,nemc child properties to its own file and reference
from ingenic,nand.yaml which describes a child NAND controller.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220525210140.2489866-1-robh@kernel.org
2022-06-03 11:48:25 -05:00
Rob Herring
bbba69ef47 dt-bindings: net/dsa: Add spi-peripheral-props.yaml references
SPI peripheral device bindings need to reference spi-peripheral-props.yaml
in order to use various SPI controller specific properties. Otherwise,
the unevaluatedProperties check will reject any controller specific
properties.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220531220122.2412711-1-robh@kernel.org
2022-06-03 11:46:26 -05:00
Kees Cook
0dfe54071d nodemask: Fix return values to be unsigned
The nodemask routines had mixed return values that provided potentially
signed return values that could never happen. This was leading to the
compiler getting confusing about the range of possible return values
(it was thinking things could be negative where they could not be). Fix
all the nodemask routines that should be returning unsigned
(or bool) values. Silences:

 mm/swapfile.c: In function ‘setup_swap_info’:
 mm/swapfile.c:2291:47: error: array subscript -1 is below array bounds of ‘struct plist_node[]’ [-Werror=array-bounds]
  2291 |                                 p->avail_lists[i].prio = 1;
       |                                 ~~~~~~~~~~~~~~^~~
 In file included from mm/swapfile.c:16:
 ./include/linux/swap.h:292:27: note: while referencing ‘avail_lists’
   292 |         struct plist_node avail_lists[]; /*
       |                           ^~~~~~~~~~~

Reported-by: Christophe de Dinechin <dinechin@redhat.com>
Link: https://lore.kernel.org/lkml/20220414150855.2407137-3-dinechin@redhat.com/
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
2022-06-03 06:52:58 -07:00
Kees Cook
005f17007f bitmap: Fix return values to be unsigned
Both nodemask and bitmap routines had mixed return values that provided
potentially signed return values that could never happen. This was
leading to the compiler getting confusing about the range of possible
return values (it was thinking things could be negative where they could
not be). In preparation for fixing nodemask, fix all the bitmap routines
that should be returning unsigned (or bool) values.

Cc: Yury Norov <yury.norov@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Christophe de Dinechin <dinechin@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
2022-06-03 06:52:58 -07:00
Yury Norov
d603fd8dd3 KVM: x86: hyper-v: replace bitmap_weight() with hweight64()
kvm_hv_flush_tlb() applies bitmap API to a u64 variable valid_bank_mask.
Since valid_bank_mask has a fixed size, we can use hweight64() and avoid
excessive bloating.

CC: Borislav Petkov <bp@alien8.de>
CC: Dave Hansen <dave.hansen@linux.intel.com>
CC: H. Peter Anvin <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Jim Mattson <jmattson@google.com>
CC: Joerg Roedel <joro@8bytes.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Sean Christopherson <seanjc@google.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Vitaly Kuznetsov <vkuznets@redhat.com>
CC: Wanpeng Li <wanpengli@tencent.com>
CC: kvm@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: x86@kernel.org
Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
2022-06-03 06:52:58 -07:00
Yury Norov
a7ef9b455c KVM: x86: hyper-v: fix type of valid_bank_mask
In kvm_hv_flush_tlb(), valid_bank_mask is declared as unsigned long,
but is used as u64, which is wrong for i386, and has been spotted by
LKP after applying "KVM: x86: hyper-v: replace bitmap_weight() with
hweight64()"

https://lore.kernel.org/lkml/20220510154750.212913-12-yury.norov@gmail.com/

But it's wrong even without that patch because now bitmap_weight()
dereferences a word after valid_bank_mask on i386.

>> include/asm-generic/bitops/const_hweight.h:21:76: warning: right shift count >= width of type
+[-Wshift-count-overflow]
      21 | #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))
         |                                                                            ^~
   include/asm-generic/bitops/const_hweight.h:10:16: note: in definition of macro '__const_hweight8'
      10 |          ((!!((w) & (1ULL << 0))) +     \
         |                ^
   include/asm-generic/bitops/const_hweight.h:20:31: note: in expansion of macro '__const_hweight16'
      20 | #define __const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16))
         |                               ^~~~~~~~~~~~~~~~~
   include/asm-generic/bitops/const_hweight.h:21:54: note: in expansion of macro '__const_hweight32'
      21 | #define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32))
         |                                                      ^~~~~~~~~~~~~~~~~
   include/asm-generic/bitops/const_hweight.h:29:49: note: in expansion of macro '__const_hweight64'
      29 | #define hweight64(w) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w))
         |                                                 ^~~~~~~~~~~~~~~~~
   arch/x86/kvm/hyperv.c:1983:36: note: in expansion of macro 'hweight64'
    1983 |                 if (hc->var_cnt != hweight64(valid_bank_mask))
         |                                    ^~~~~~~~~

CC: Borislav Petkov <bp@alien8.de>
CC: Dave Hansen <dave.hansen@linux.intel.com>
CC: H. Peter Anvin <hpa@zytor.com>
CC: Ingo Molnar <mingo@redhat.com>
CC: Jim Mattson <jmattson@google.com>
CC: Joerg Roedel <joro@8bytes.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Sean Christopherson <seanjc@google.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Vitaly Kuznetsov <vkuznets@redhat.com>
CC: Wanpeng Li <wanpengli@tencent.com>
CC: kvm@vger.kernel.org
CC: linux-kernel@vger.kernel.org
CC: x86@kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Message-Id: <20220519171504.1238724-1-yury.norov@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-03 06:52:58 -07:00