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: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.275-rc... 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.

thanks,

greg k-h

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

Greg Kroah-Hartman gregkh@linuxfoundation.org Linux 4.14.275-rc1

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

James Morse james.morse@arm.com arm64: add ID_AA64ISAR2_EL1 sys register

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: Add templates for BHB mitigation sequences

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: entry.S: Add ventry overflow sanity checks

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

Rob Herring robh@kernel.org arm64: Add part number for Arm Cortex-A77

Marc Zyngier marc.zyngier@arm.com arm64: Add part number for Neoverse N1

Marc Zyngier marc.zyngier@arm.com arm64: Make ARM64_ERRATUM_1188873 depend on COMPAT

Marc Zyngier marc.zyngier@arm.com arm64: Add silicon-errata.txt entry for ARM erratum 1188873

Arnd Bergmann arnd@arndb.de arm64: arch_timer: avoid unused function warning

Marc Zyngier marc.zyngier@arm.com arm64: arch_timer: Add workaround for ARM erratum 1188873

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

Diffstat:

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(-)