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Message-Id: <20220309155859.734715884@linuxfoundation.org>
Date: Wed, 9 Mar 2022 16:59:44 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, torvalds@...ux-foundation.org,
akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
jonathanh@...dia.com, f.fainelli@...il.com,
sudipm.mukherjee@...il.com, slade@...dewatkins.com
Subject: [PATCH 5.15 00/43] 5.15.28-rc1 review
This is the start of the stable review cycle for the 5.15.28 release.
There are 43 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-5.15.28-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-5.15.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Linux 5.15.28-rc1
Christoph Hellwig <hch@....de>
block: drop unused includes in <linux/genhd.h>
Huang Pei <huangpei@...ngson.cn>
slip: fix macro redefine warning
Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
ARM: fix build error when BPF_SYSCALL is disabled
James Morse <james.morse@....com>
arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting
James Morse <james.morse@....com>
arm64: Use the clearbhb instruction in mitigations
James Morse <james.morse@....com>
KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated
James Morse <james.morse@....com>
arm64: Mitigate spectre style branch history side channels
James Morse <james.morse@....com>
arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2
James Morse <james.morse@....com>
arm64: Add percpu vectors for EL1
James Morse <james.morse@....com>
arm64: entry: Add macro for reading symbol addresses from the trampoline
James Morse <james.morse@....com>
arm64: entry: Add vectors that have the bhb mitigation sequences
James Morse <james.morse@....com>
arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations
James Morse <james.morse@....com>
arm64: entry: Allow the trampoline text to occupy multiple pages
James Morse <james.morse@....com>
arm64: entry: Make the kpti trampoline's kpti sequence optional
James Morse <james.morse@....com>
arm64: entry: Move trampoline macros out of ifdef'd section
James Morse <james.morse@....com>
arm64: entry: Don't assume tramp_vectors is the start of the vectors
James Morse <james.morse@....com>
arm64: entry: Allow tramp_alias to access symbols after the 4K boundary
James Morse <james.morse@....com>
arm64: entry: Move the trampoline data page before the text page
James Morse <james.morse@....com>
arm64: entry: Free up another register on kpti's tramp_exit path
James Morse <james.morse@....com>
arm64: entry: Make the trampoline cleanup optional
James Morse <james.morse@....com>
KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A
James Morse <james.morse@....com>
arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit
James Morse <james.morse@....com>
arm64: entry.S: Add ventry overflow sanity checks
Joey Gouly <joey.gouly@....com>
arm64: cpufeature: add HWCAP for FEAT_RPRES
Joey Gouly <joey.gouly@....com>
arm64: cpufeature: add HWCAP for FEAT_AFP
Joey Gouly <joey.gouly@....com>
arm64: add ID_AA64ISAR2_EL1 sys register
Anshuman Khandual <anshuman.khandual@....com>
arm64: Add Cortex-X2 CPU part definition
Marc Zyngier <maz@...nel.org>
arm64: Add HWCAP for self-synchronising virtual counter
Suzuki K Poulose <suzuki.poulose@....com>
arm64: Add Neoverse-N2, Cortex-A710 CPU part definition
Russell King (Oracle) <rmk+kernel@...linux.org.uk>
ARM: include unprivileged BPF status in Spectre V2 reporting
Russell King (Oracle) <rmk+kernel@...linux.org.uk>
ARM: Spectre-BHB workaround
Russell King (Oracle) <rmk+kernel@...linux.org.uk>
ARM: use LOADADDR() to get load address of sections
Russell King (Oracle) <rmk+kernel@...linux.org.uk>
ARM: early traps initialisation
Russell King (Oracle) <rmk+kernel@...linux.org.uk>
ARM: report Spectre v2 status through sysfs
Josh Poimboeuf <jpoimboe@...hat.com>
x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT
Josh Poimboeuf <jpoimboe@...hat.com>
x86/speculation: Warn about Spectre v2 LFENCE mitigation
Kim Phillips <kim.phillips@....com>
x86/speculation: Update link to AMD speculation whitepaper
Kim Phillips <kim.phillips@....com>
x86/speculation: Use generic retpoline by default on AMD
Josh Poimboeuf <jpoimboe@...hat.com>
x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting
Peter Zijlstra <peterz@...radead.org>
Documentation/hw-vuln: Update spectre doc
Peter Zijlstra <peterz@...radead.org>
x86/speculation: Add eIBRS + Retpoline options
Peter Zijlstra (Intel) <peterz@...radead.org>
x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE
Peter Zijlstra <peterz@...radead.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 | 35 ++-
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 | 207 ++++++++++---
arch/arm64/Kconfig | 9 +
arch/arm64/include/asm/assembler.h | 53 ++++
arch/arm64/include/asm/cpu.h | 1 +
arch/arm64/include/asm/cpufeature.h | 29 ++
arch/arm64/include/asm/cputype.h | 14 +
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_host.h | 5 +
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 | 214 +++++++++----
arch/arm64/kernel/image-vars.h | 4 +
arch/arm64/kernel/proton-pack.c | 391 +++++++++++++++++++++++-
arch/arm64/kernel/vmlinux.lds.S | 2 +-
arch/arm64/kvm/arm.c | 5 +-
arch/arm64/kvm/hyp/hyp-entry.S | 9 +
arch/arm64/kvm/hyp/nvhe/mm.c | 4 +-
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/arm64/tools/cpucaps | 1 +
arch/um/drivers/ubd_kern.c | 1 +
arch/x86/include/asm/cpufeatures.h | 2 +-
arch/x86/include/asm/nospec-branch.h | 16 +-
arch/x86/kernel/cpu/bugs.c | 205 +++++++++----
arch/x86/lib/retpoline.S | 2 +-
block/genhd.c | 1 +
block/holder.c | 1 +
block/partitions/core.c | 1 +
drivers/block/amiflop.c | 1 +
drivers/block/ataflop.c | 1 +
drivers/block/floppy.c | 1 +
drivers/block/swim.c | 1 +
drivers/block/xen-blkfront.c | 1 +
drivers/md/md.c | 1 +
drivers/net/slip/slip.h | 2 +
drivers/s390/block/dasd_genhd.c | 1 +
drivers/scsi/sd.c | 1 +
drivers/scsi/sg.c | 1 +
drivers/scsi/sr.c | 1 +
drivers/scsi/st.c | 1 +
include/linux/arm-smccc.h | 5 +
include/linux/bpf.h | 12 +
include/linux/genhd.h | 14 +-
include/linux/part_stat.h | 1 +
kernel/sysctl.c | 7 +
tools/arch/x86/include/asm/cpufeatures.h | 2 +-
72 files changed, 1642 insertions(+), 229 deletions(-)
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