This is the start of the stable review cycle for the 5.4.194 release.
There are 18 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Sun, 15 May 2022 14:22:19 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.194-rc1.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 5.4.194-rc1

Muchun Song <songmuchun@bytedance.com>
    mm: userfaultfd: fix missing cache flush in mcopy_atomic_pte() and __mcopy_atomic()

Muchun Song <songmuchun@bytedance.com>
    mm: hugetlb: fix missing cache flush in copy_huge_page_from_user()

Muchun Song <songmuchun@bytedance.com>
    mm: fix missing cache flush for all tail pages of compound page

Itay Iellin <ieitayie@gmail.com>
    Bluetooth: Fix the creation of hdev->name

Kyle Huey <me@kylehuey.com>
    KVM: x86/svm: Account for family 17h event renumberings in amd_pmc_perf_hw_id

Masami Hiramatsu <mhiramat@kernel.org>
    x86: kprobes: Prohibit probing on instruction which has emulate prefix

Masami Hiramatsu <mhiramat@kernel.org>
    x86: xen: insn: Decode Xen and KVM emulate-prefix signature

Masami Hiramatsu <mhiramat@kernel.org>
    x86: xen: kvm: Gather the definition of emulate prefixes

Masami Hiramatsu <mhiramat@kernel.org>
    x86/asm: Allow to pass macros to __ASM_FORM()

Like Xu <likexu@tencent.com>
    KVM: x86/pmu: Refactoring find_arch_event() to pmc_perf_hw_id()

Mike Rapoport <rppt@linux.ibm.com>
    arm: remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL

Andreas Larsson <andreas@gaisler.com>
    can: grcan: only use the NAPI poll budget for RX

Andreas Larsson <andreas@gaisler.com>
    can: grcan: grcan_probe(): fix broken system id check for errata workaround needs

Nathan Chancellor <nathan@kernel.org>
    nfp: bpf: silence bitwise vs. logical OR warning

Nathan Chancellor <natechancellor@gmail.com>
    drm/i915: Cast remain to unsigned long in eb_relocate_vma

Lee Jones <lee.jones@linaro.org>
    drm/amd/display/dc/gpio/gpio_service: Pass around correct dce_{version, environment} types

Lee Jones <lee.jones@linaro.org>
    block: drbd: drbd_nl: Make conversion to 'enum drbd_ret_code' explicit

Nathan Chancellor <natechancellor@gmail.com>
    MIPS: Use address-of operator on section symbols


-------------

Diffstat:

 Documentation/vm/memory-model.rst                  |  3 +-
 Makefile                                           |  4 +--
 arch/arm/Kconfig                                   |  8 ++---
 arch/arm/mach-bcm/Kconfig                          |  1 -
 arch/arm/mach-davinci/Kconfig                      |  1 -
 arch/arm/mach-exynos/Kconfig                       |  1 -
 arch/arm/mach-highbank/Kconfig                     |  1 -
 arch/arm/mach-omap2/Kconfig                        |  2 +-
 arch/arm/mach-s5pv210/Kconfig                      |  1 -
 arch/arm/mach-tango/Kconfig                        |  1 -
 arch/mips/bmips/setup.c                            |  2 +-
 arch/mips/lantiq/prom.c                            |  2 +-
 arch/mips/pic32/pic32mzda/init.c                   |  2 +-
 arch/mips/ralink/of.c                              |  2 +-
 arch/x86/include/asm/asm.h                         |  8 +++--
 arch/x86/include/asm/emulate_prefix.h              | 14 ++++++++
 arch/x86/include/asm/insn.h                        |  6 ++++
 arch/x86/include/asm/xen/interface.h               | 11 +++----
 arch/x86/kernel/kprobes/core.c                     |  4 +++
 arch/x86/kvm/pmu.c                                 |  8 +----
 arch/x86/kvm/pmu.h                                 |  3 +-
 arch/x86/kvm/pmu_amd.c                             | 36 ++++++++++++++++----
 arch/x86/kvm/vmx/pmu_intel.c                       |  9 ++---
 arch/x86/kvm/x86.c                                 |  4 ++-
 arch/x86/lib/insn.c                                | 34 +++++++++++++++++++
 drivers/block/drbd/drbd_nl.c                       | 13 +++++---
 drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 12 +++----
 .../amd/display/include/gpio_service_interface.h   |  4 +--
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c     |  2 +-
 drivers/net/can/grcan.c                            | 38 ++++++++++------------
 drivers/net/ethernet/netronome/nfp/nfp_asm.c       |  4 +--
 fs/proc/kcore.c                                    |  2 --
 include/linux/mmzone.h                             | 31 ------------------
 include/net/bluetooth/hci_core.h                   |  3 ++
 mm/memory.c                                        |  2 ++
 mm/migrate.c                                       |  7 ++--
 mm/mmzone.c                                        | 14 --------
 mm/userfaultfd.c                                   |  3 ++
 mm/vmstat.c                                        |  4 ---
 net/bluetooth/hci_core.c                           |  6 ++--
 tools/arch/x86/include/asm/emulate_prefix.h        | 14 ++++++++
 tools/arch/x86/include/asm/insn.h                  |  6 ++++
 tools/arch/x86/lib/insn.c                          | 34 +++++++++++++++++++
 tools/objtool/sync-check.sh                        |  3 +-
 tools/perf/check-headers.sh                        |  3 +-
 45 files changed, 227 insertions(+), 146 deletions(-)

On Fri, May 13, 2022 at 04:23:26PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.194 release.
> There are 18 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun, 15 May 2022 14:22:19 +0000.
> Anything received after that time might be too late.
> 

Build results:
	total: 159 pass: 159 fail: 0
Qemu test results:
	total: 449 pass: 449 fail: 0

Tested-by: Guenter Roeck <linux@roeck-us.net>

Guenter

Hi Greg,

On Fri, May 13, 2022 at 04:23:26PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.194 release.
> There are 18 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun, 15 May 2022 14:22:19 +0000.
> Anything received after that time might be too late.

Build test:
mips (gcc version 11.2.1 20220408): 65 configs -> no failure
arm (gcc version 11.2.1 20220408): 107 configs -> no new failure
arm64 (gcc version 11.2.1 20220408): 2 configs -> no failure
x86_64 (gcc version 11.2.1 20220408): 4 configs -> no failure

Boot test:
x86_64: Booted on my test laptop. No regression.
x86_64: Booted on qemu. No regression. [1]

[1]. https://openqa.qa.codethink.co.uk/tests/1138


Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>

--
Regards
Sudip

On Fri, 13 May 2022 at 19:57, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.4.194 release.
> There are 18 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Sun, 15 May 2022 14:22:19 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.194-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Results from Linaro’s test farm.
No regressions on arm64, arm, x86_64, and i386.

Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>

## Build
* kernel: 5.4.194-rc1
* git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* git branch: linux-5.4.y
* git commit: 15301ad6000946aa71e6c14b3f701b34e5e694eb
* git describe: v5.4.193-19-g15301ad60009
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.4.y/build/v5.4.193-19-g15301ad60009

## Test Regressions (compared to v5.4.192-53-g52d5d4c85d2d)
No test regressions found.

## Metric Regressions (compared to v5.4.192-53-g52d5d4c85d2d)
No metric regressions found.

## Test Fixes (compared to v5.4.192-53-g52d5d4c85d2d)
No test fixes found.

## Metric Fixes (compared to v5.4.192-53-g52d5d4c85d2d)
No metric fixes found.

## Test result summary
total: 92313, pass: 76255, fail: 1154, skip: 13641, xfail: 1263

## Build Summary
* arc: 10 total, 10 passed, 0 failed
* arm: 290 total, 290 passed, 0 failed
* arm64: 40 total, 34 passed, 6 failed
* dragonboard-410c: 1 total, 1 passed, 0 failed
* hi6220-hikey: 1 total, 1 passed, 0 failed
* i386: 20 total, 20 passed, 0 failed
* juno-r2: 1 total, 1 passed, 0 failed
* mips: 37 total, 37 passed, 0 failed
* parisc: 12 total, 12 passed, 0 failed
* powerpc: 60 total, 54 passed, 6 failed
* riscv: 27 total, 27 passed, 0 failed
* s390: 12 total, 12 passed, 0 failed
* sh: 24 total, 24 passed, 0 failed
* sparc: 12 total, 12 passed, 0 failed
* x15: 1 total, 1 passed, 0 failed
* x86: 1 total, 1 passed, 0 failed
* x86_64: 40 total, 40 passed, 0 failed

## Test suites summary
* fwts
* igt-gpu-tools
* kselftest-android
* kselftest-arm64
* kselftest-bpf
* kselftest-breakpoints
* kselftest-capabilities
* kselftest-cgroup
* kselftest-clone3
* kselftest-core
* kselftest-cpu-hotplug
* kselftest-cpufreq
* kselftest-drivers
* kselftest-efivarfs
* kselftest-filesystems
* kselftest-firmware
* kselftest-fpu
* kselftest-futex
* kselftest-gpio
* kselftest-intel_pstate
* kselftest-ipc
* kselftest-ir
* kselftest-kcmp
* kselftest-kexec
* kselftest-kvm
* kselftest-lib
* kselftest-livepatch
* kselftest-membarrier
* kselftest-memfd
* kselftest-memory-hotplug
* kselftest-mincore
* kselftest-mount
* kselftest-mqueue
* kselftest-net
* kselftest-netfilter
* kselftest-nsfs
* kselftest-openat2
* kselftest-pid_namespace
* kselftest-pidfd
* kselftest-proc
* kselftest-pstore
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-seccomp
* kselftest-sigaltstack
* kselftest-size
* kselftest-splice
* kselftest-static_keys
* kselftest-sync
* kselftest-sysctl
* kselftest-tc-testing
* kselftest-timens
* kselftest-timers
* kselftest-tmpfs
* kselftest-tpm2
* kselftest-user
* kselftest-vm
* kselftest-x86
* kselftest-zram
* kvm-unit-tests
* libgpiod
* libhugetlbfs
* linux-log-parser
* ltp-cap_bounds-tests
* ltp-commands-tests
* ltp-containers-tests
* ltp-controllers-tests
* ltp-cpuhotplug-tests
* ltp-crypto-tests
* ltp-cve-tests
* ltp-dio-tests
* ltp-fcntl-locktests-tests
* ltp-filecaps-tests
* ltp-fs-tests
* ltp-fs_bind-tests
* ltp-fs_perms_simple-tests
* ltp-fsx-tests
* ltp-hugetlb-tests
* ltp-io-tests
* ltp-ipc-tests
* ltp-math-tests
* ltp-mm-tests
* ltp-nptl-tests
* ltp-open-posix-tests
* ltp-pty-tests
* ltp-sched-tests
* ltp-securebits-tests
* ltp-syscalls-tests
* ltp-tracing-tests
* network-basic-tests
* packetdrill
* perf
* perf/Zstd-perf.data-compression
* rcutorture
* ssuite
* v4l2-compliance
* vdso

--
Linaro LKFT
https://lkft.linaro.org

On 5/13/22 07:23, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.194 release.
> There are 18 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun, 15 May 2022 14:22:19 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.194-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

On ARCH_BRCMSTB using 32-bit and 64-bit ARM kernels:

Tested-by: Florian Fainelli <f.fainelli@gmail.com>
-- 
Florian

On 5/13/22 8:23 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.194 release.
> There are 18 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sun, 15 May 2022 14:22:19 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.194-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h
> 

Compiled and booted on my test system. No dmesg regressions.

Tested-by: Shuah Khan <skhan@linuxfoundation.org>

thanks,
-- Shuah