This is the start of the stable review cycle for the 5.10.105 release.
There are 58 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 Sat, 12 Mar 2022 14:07:58 +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-5.10.105-rc2.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 5.10.105-rc2

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE"

Juergen Gross <jgross@suse.com>
    xen/netfront: react properly to failing gnttab_end_foreign_access_ref()

Juergen Gross <jgross@suse.com>
    xen/gnttab: fix gnttab_end_foreign_access() without page specified

Juergen Gross <jgross@suse.com>
    xen/pvcalls: use alloc/free_pages_exact()

Juergen Gross <jgross@suse.com>
    xen/9p: use alloc/free_pages_exact()

Juergen Gross <jgross@suse.com>
    xen: remove gnttab_query_foreign_access()

Juergen Gross <jgross@suse.com>
    xen/gntalloc: don't use gnttab_query_foreign_access()

Juergen Gross <jgross@suse.com>
    xen/scsifront: don't use gnttab_query_foreign_access() for mapped status

Juergen Gross <jgross@suse.com>
    xen/netfront: don't use gnttab_query_foreign_access() for mapped status

Juergen Gross <jgross@suse.com>
    xen/blkfront: don't use gnttab_query_foreign_access() for mapped status

Juergen Gross <jgross@suse.com>
    xen/grant-table: add gnttab_try_end_foreign_access()

Juergen Gross <jgross@suse.com>
    xen/xenbus: don't let xenbus_grant_ring() remove grants in error case

Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    ARM: fix build warning in proc-v7-bugs.c

Nathan Chancellor <nathan@kernel.org>
    ARM: Do not use NOCROSSREFS directive with ld.lld

Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    ARM: fix co-processor register typo

Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
    ARM: fix build error when BPF_SYSCALL is disabled

James Morse <james.morse@arm.com>
    arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting

James Morse <james.morse@arm.com>
    arm64: Use the clearbhb instruction in mitigations

James Morse <james.morse@arm.com>
    KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated

James Morse <james.morse@arm.com>
    arm64: Mitigate spectre style branch history side channels

James Morse <james.morse@arm.com>
    KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A

James Morse <james.morse@arm.com>
    arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2

James Morse <james.morse@arm.com>
    arm64: Add percpu vectors for EL1

James Morse <james.morse@arm.com>
    arm64: entry: Add macro for reading symbol addresses from the trampoline

James Morse <james.morse@arm.com>
    arm64: entry: Add vectors that have the bhb mitigation sequences

James Morse <james.morse@arm.com>
    arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations

James Morse <james.morse@arm.com>
    arm64: entry: Allow the trampoline text to occupy multiple pages

James Morse <james.morse@arm.com>
    arm64: entry: Make the kpti trampoline's kpti sequence optional

James Morse <james.morse@arm.com>
    arm64: entry: Move trampoline macros out of ifdef'd section

James Morse <james.morse@arm.com>
    arm64: entry: Don't assume tramp_vectors is the start of the vectors

James Morse <james.morse@arm.com>
    arm64: entry: Allow tramp_alias to access symbols after the 4K boundary

James Morse <james.morse@arm.com>
    arm64: entry: Move the trampoline data page before the text page

James Morse <james.morse@arm.com>
    arm64: entry: Free up another register on kpti's tramp_exit path

James Morse <james.morse@arm.com>
    arm64: entry: Make the trampoline cleanup optional

James Morse <james.morse@arm.com>
    arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit

James Morse <james.morse@arm.com>
    arm64: entry.S: Add ventry overflow sanity checks

Joey Gouly <joey.gouly@arm.com>
    arm64: cpufeature: add HWCAP for FEAT_RPRES

Joey Gouly <joey.gouly@arm.com>
    arm64: cpufeature: add HWCAP for FEAT_AFP

Joey Gouly <joey.gouly@arm.com>
    arm64: add ID_AA64ISAR2_EL1 sys register

Marc Zyngier <maz@kernel.org>
    arm64: Add HWCAP for self-synchronising virtual counter

Anshuman Khandual <anshuman.khandual@arm.com>
    arm64: Add Cortex-A510 CPU part definition

Anshuman Khandual <anshuman.khandual@arm.com>
    arm64: Add Cortex-X2 CPU part definition

Suzuki K Poulose <suzuki.poulose@arm.com>
    arm64: Add Neoverse-N2, Cortex-A710 CPU part definition

Hector Martin <marcan@marcan.st>
    arm64: cputype: Add CPU implementor & types for the Apple M1 cores

Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    ARM: include unprivileged BPF status in Spectre V2 reporting

Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    ARM: Spectre-BHB workaround

Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    ARM: use LOADADDR() to get load address of sections

Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    ARM: early traps initialisation

Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
    ARM: report Spectre v2 status through sysfs

Josh Poimboeuf <jpoimboe@redhat.com>
    x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT

Josh Poimboeuf <jpoimboe@redhat.com>
    x86/speculation: Warn about Spectre v2 LFENCE mitigation

Kim Phillips <kim.phillips@amd.com>
    x86/speculation: Update link to AMD speculation whitepaper

Kim Phillips <kim.phillips@amd.com>
    x86/speculation: Use generic retpoline by default on AMD

Josh Poimboeuf <jpoimboe@redhat.com>
    x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting

Peter Zijlstra <peterz@infradead.org>
    Documentation/hw-vuln: Update spectre doc

Peter Zijlstra <peterz@infradead.org>
    x86/speculation: Add eIBRS + Retpoline options

Peter Zijlstra (Intel) <peterz@infradead.org>
    x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE

Peter Zijlstra <peterz@infradead.org>
    x86,bugs: Unconditionally allow spectre_v2=retpoline,amd


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

Diffstat:

 Documentation/admin-guide/hw-vuln/spectre.rst   |  48 ++--
 Documentation/admin-guide/kernel-parameters.txt |   8 +-
 Documentation/arm64/cpu-feature-registers.rst   |  29 +-
 Documentation/arm64/elf_hwcaps.rst              |  12 +
 Makefile                                        |   4 +-
 arch/arm/include/asm/assembler.h                |  10 +
 arch/arm/include/asm/spectre.h                  |  32 +++
 arch/arm/include/asm/vmlinux.lds.h              |  43 ++-
 arch/arm/kernel/Makefile                        |   2 +
 arch/arm/kernel/entry-armv.S                    |  79 +++++-
 arch/arm/kernel/entry-common.S                  |  24 ++
 arch/arm/kernel/spectre.c                       |  71 +++++
 arch/arm/kernel/traps.c                         |  65 ++++-
 arch/arm/mm/Kconfig                             |  11 +
 arch/arm/mm/proc-v7-bugs.c                      | 208 +++++++++++---
 arch/arm64/Kconfig                              |   9 +
 arch/arm64/include/asm/assembler.h              |  33 +++
 arch/arm64/include/asm/cpu.h                    |   1 +
 arch/arm64/include/asm/cpucaps.h                |   3 +-
 arch/arm64/include/asm/cpufeature.h             |  28 ++
 arch/arm64/include/asm/cputype.h                |  22 ++
 arch/arm64/include/asm/fixmap.h                 |   6 +-
 arch/arm64/include/asm/hwcap.h                  |   3 +
 arch/arm64/include/asm/insn.h                   |   1 +
 arch/arm64/include/asm/kvm_asm.h                |   8 +
 arch/arm64/include/asm/kvm_mmu.h                |   3 +-
 arch/arm64/include/asm/mmu.h                    |   6 +
 arch/arm64/include/asm/sections.h               |   5 +
 arch/arm64/include/asm/spectre.h                |   4 +
 arch/arm64/include/asm/sysreg.h                 |  18 ++
 arch/arm64/include/asm/vectors.h                |  73 +++++
 arch/arm64/include/uapi/asm/hwcap.h             |   3 +
 arch/arm64/include/uapi/asm/kvm.h               |   5 +
 arch/arm64/kernel/cpu_errata.c                  |   7 +
 arch/arm64/kernel/cpufeature.c                  |  28 +-
 arch/arm64/kernel/cpuinfo.c                     |   4 +
 arch/arm64/kernel/entry.S                       | 213 ++++++++++----
 arch/arm64/kernel/proton-pack.c                 | 359 +++++++++++++++++++++++-
 arch/arm64/kernel/vmlinux.lds.S                 |   2 +-
 arch/arm64/kvm/arm.c                            |   3 +-
 arch/arm64/kvm/hyp/hyp-entry.S                  |   4 +
 arch/arm64/kvm/hyp/smccc_wa.S                   |  75 +++++
 arch/arm64/kvm/hyp/vhe/switch.c                 |   9 +-
 arch/arm64/kvm/hypercalls.c                     |  12 +
 arch/arm64/kvm/psci.c                           |  18 +-
 arch/arm64/kvm/sys_regs.c                       |   2 +-
 arch/arm64/mm/mmu.c                             |  12 +-
 arch/x86/include/asm/cpufeatures.h              |   2 +-
 arch/x86/include/asm/nospec-branch.h            |  16 +-
 arch/x86/kernel/cpu/bugs.c                      | 205 ++++++++++----
 drivers/acpi/ec.c                               |  10 -
 drivers/acpi/sleep.c                            |  14 +-
 drivers/block/xen-blkfront.c                    |  63 +++--
 drivers/net/xen-netfront.c                      |  54 ++--
 drivers/scsi/xen-scsifront.c                    |   3 +-
 drivers/xen/gntalloc.c                          |  25 +-
 drivers/xen/grant-table.c                       |  71 ++---
 drivers/xen/pvcalls-front.c                     |   8 +-
 drivers/xen/xenbus/xenbus_client.c              |  24 +-
 include/linux/arm-smccc.h                       |   5 +
 include/linux/bpf.h                             |  12 +
 include/xen/grant_table.h                       |  19 +-
 kernel/sysctl.c                                 |   7 +
 net/9p/trans_xen.c                              |  14 +-
 tools/arch/x86/include/asm/cpufeatures.h        |   2 +-
 65 files changed, 1825 insertions(+), 354 deletions(-)

Hi!

> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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.

                                                                                         
CIP testing did not find any problems here:                                              
                                                                                         
https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-5.10.y        
                                                                                         
Tested-by: Pavel Machek (CIP) <pavel@denx.de>                                            

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

On Thu, 10 Mar 2022 15:18:20 +0100, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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 Sat, 12 Mar 2022 14:07:58 +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-5.10.105-rc2.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h
> 

5.10.105-rc2 Successfully Compiled and booted on my Raspberry PI 4b (8g) (bcm2711)
                
Tested-by: Fox Chen <foxhlchen@gmail.com>

On Thu, 10 Mar 2022 at 19:54, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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 Sat, 12 Mar 2022 14:07:58 +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-5.10.105-rc2.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.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: 5.10.105-rc2
* git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* git branch: linux-5.10.y
* git commit: 222eae85893657f02832253fe1c164f7d0b2c88c
* git describe: v5.10.104-59-g222eae858936
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.10.y/build/v5.10.104-59-g222eae858936

## Test Regressions (compared to v5.10.104-43-ge5e4a8f0fb6e)
No test regressions found.

## Metric Regressions (compared to v5.10.104-43-ge5e4a8f0fb6e)
No metric regressions found.

## Test Fixes (compared to v5.10.104-43-ge5e4a8f0fb6e)
No test fixes found.

## Metric Fixes (compared to v5.10.104-43-ge5e4a8f0fb6e)
No metric fixes found.

## Test result summary
total: 103231, pass: 87446, fail: 919, skip: 13751, xfail: 1115

## Build Summary
* arc: 10 total, 10 passed, 0 failed
* arm: 291 total, 291 passed, 0 failed
* arm64: 41 total, 41 passed, 0 failed
* dragonboard-410c: 1 total, 1 passed, 0 failed
* hi6220-hikey: 1 total, 1 passed, 0 failed
* i386: 40 total, 40 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, 46 passed, 14 failed
* riscv: 27 total, 27 passed, 0 failed
* s390: 21 total, 21 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: 41 total, 41 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
* kunit
* 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

Hi Greg,

On Thu, Mar 10, 2022 at 03:18:20PM +0100, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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 Sat, 12 Mar 2022 14:07:58 +0000.
> Anything received after that time might be too late.

Build test:
mips (gcc version 11.2.1 20220301): 63 configs -> no new failure
arm (gcc version 11.2.1 20220301): 105 configs -> no new failure
arm64 (gcc version 11.2.1 20220301): 3 configs -> no failure
x86_64 (gcc version 11.2.1 20220301): 4 configs -> no failure

Boot test:
x86_64: Booted on my test laptop. No regression.
x86_64: Booted on qemu. No regression. [1]
arm64: Booted on rpi4b (4GB model). No regression. [2]

[1]. https://openqa.qa.codethink.co.uk/tests/862
[2]. https://openqa.qa.codethink.co.uk/tests/867


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

--
Regards
Sudip

On 10/03/22 21.18, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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.
> 

Successfully cross-compiled for arm64 (bcm2711_defconfig, gcc 10.2.0) and
powerpc (ps3_defconfig, gcc 11.2.0).

Tested-by: Bagas Sanjaya <bagasdotme@gmail.com>

-- 
An old man doll... just what I always wanted! - Clara

On Thu, Mar 10, 2022 at 03:18:20PM +0100, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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 Sat, 12 Mar 2022 14:07:58 +0000.
> Anything received after that time might be too late.
> 
Build results:
	total: 161 pass: 161 fail: 0
Qemu test results:
	total: 477 pass: 477 fail: 0

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

Guenter

On 3/10/22 6:18 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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 Sat, 12 Mar 2022 14:07:58 +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-5.10.105-rc2.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.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 3/10/22 7:18 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.105 release.
> There are 58 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 Sat, 12 Mar 2022 14:07:58 +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-5.10.105-rc2.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.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