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    Subject[PATCH 5.4 00/18] 5.4.184-rc1 review
    Date
    This is the start of the stable review cycle for the 5.4.184 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 Fri, 11 Mar 2022 15:58:48 +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-5.4.184-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 5.4.184-rc1

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

    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

    Mark Rutland <mark.rutland@arm.com>
    arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit()

    Steven Price <steven.price@arm.com>
    arm/arm64: Provide a wrapper for SMCCC 1.1 calls

    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

    Borislav Petkov <bp@suse.de>
    x86/speculation: Merge one test in spectre_v2_user_select_mitigation()


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

    Diffstat:

    Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++++--
    Documentation/admin-guide/kernel-parameters.txt | 8 +-
    Makefile | 4 +-
    arch/arm/include/asm/assembler.h | 10 ++
    arch/arm/include/asm/spectre.h | 32 ++++
    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/kernel/vmlinux.lds.h | 35 +++-
    arch/arm/mm/Kconfig | 11 ++
    arch/arm/mm/proc-v7-bugs.c | 199 +++++++++++++++++++---
    arch/x86/include/asm/cpufeatures.h | 2 +-
    arch/x86/include/asm/nospec-branch.h | 16 +-
    arch/x86/kernel/cpu/bugs.c | 216 +++++++++++++++++-------
    drivers/firmware/psci/psci.c | 15 ++
    include/linux/arm-smccc.h | 74 ++++++++
    include/linux/bpf.h | 12 ++
    kernel/sysctl.c | 8 +
    tools/arch/x86/include/asm/cpufeatures.h | 2 +-
    21 files changed, 796 insertions(+), 137 deletions(-)


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