[PATCH 4.14 00/27] 4.14.275-rc1 review

From: Greg Kroah-Hartman
Date: Fri Apr 01 2022 - 02:37:14 EST

This is the start of the stable review cycle for the 4.14.275 release.
There are 27 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, 03 Apr 2022 06:36:16 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
and the diffstat can be found below.


greg k-h

Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Linux 4.14.275-rc1

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

James Morse <james.morse@xxxxxxx>
arm64: add ID_AA64ISAR2_EL1 sys register

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

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

James Morse <james.morse@xxxxxxx>
KVM: arm64: Add templates for BHB mitigation sequences

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Rob Herring <robh@xxxxxxxxxx>
arm64: Add part number for Arm Cortex-A77

Marc Zyngier <marc.zyngier@xxxxxxx>
arm64: Add part number for Neoverse N1

Marc Zyngier <marc.zyngier@xxxxxxx>
arm64: Make ARM64_ERRATUM_1188873 depend on COMPAT

Marc Zyngier <marc.zyngier@xxxxxxx>
arm64: Add silicon-errata.txt entry for ARM erratum 1188873

Arnd Bergmann <arnd@xxxxxxxx>
arm64: arch_timer: avoid unused function warning

Marc Zyngier <marc.zyngier@xxxxxxx>
arm64: arch_timer: Add workaround for ARM erratum 1188873



Documentation/arm64/silicon-errata.txt | 1 +
Makefile | 4 +-
arch/arm/include/asm/kvm_host.h | 6 +
arch/arm64/Kconfig | 24 ++
arch/arm64/include/asm/assembler.h | 34 +++
arch/arm64/include/asm/cpu.h | 1 +
arch/arm64/include/asm/cpucaps.h | 4 +-
arch/arm64/include/asm/cpufeature.h | 39 ++++
arch/arm64/include/asm/cputype.h | 20 ++
arch/arm64/include/asm/fixmap.h | 6 +-
arch/arm64/include/asm/kvm_host.h | 5 +
arch/arm64/include/asm/kvm_mmu.h | 2 +-
arch/arm64/include/asm/mmu.h | 8 +-
arch/arm64/include/asm/sections.h | 6 +
arch/arm64/include/asm/sysreg.h | 5 +
arch/arm64/include/asm/vectors.h | 74 ++++++
arch/arm64/kernel/bpi.S | 55 +++++
arch/arm64/kernel/cpu_errata.c | 395 ++++++++++++++++++++++++++++++++-
arch/arm64/kernel/cpufeature.c | 21 ++
arch/arm64/kernel/cpuinfo.c | 1 +
arch/arm64/kernel/entry.S | 196 ++++++++++++----
arch/arm64/kernel/vmlinux.lds.S | 2 +-
arch/arm64/kvm/hyp/hyp-entry.S | 4 +
arch/arm64/kvm/hyp/switch.c | 9 +-
arch/arm64/mm/mmu.c | 11 +-
drivers/clocksource/arm_arch_timer.c | 15 ++
include/linux/arm-smccc.h | 7 +
virt/kvm/arm/psci.c | 12 +
28 files changed, 909 insertions(+), 58 deletions(-)