[PATCH stable 4.9 v3 0/2] arm64: entry: Place an SB sequence following an ERET instruction

From: Florian Fainelli
Date: Mon Aug 24 2020 - 14:36:35 EST


Changes in v3:

- included missing preliminary patch to define the SB barrier instruction, see
patch change log for details on how it was back ported into v4.9

Changes in v2:

- added missing hunk in hyp/entry.S per Will's feedback

Will Deacon (2):
arm64: Add support for SB barrier and patch in over DSB; ISB sequences
arm64: entry: Place an SB sequence following an ERET instruction

arch/arm64/include/asm/assembler.h | 13 +++++++++++++
arch/arm64/include/asm/barrier.h | 4 ++++
arch/arm64/include/asm/cpucaps.h | 3 ++-
arch/arm64/include/asm/sysreg.h | 13 +++++++++++++
arch/arm64/include/asm/uaccess.h | 3 +--
arch/arm64/include/uapi/asm/hwcap.h | 1 +
arch/arm64/kernel/cpufeature.c | 22 +++++++++++++++++++++-
arch/arm64/kernel/cpuinfo.c | 1 +
arch/arm64/kernel/entry.S | 2 ++
arch/arm64/kvm/hyp/entry.S | 2 ++
arch/arm64/kvm/hyp/hyp-entry.S | 4 ++++
11 files changed, 64 insertions(+), 4 deletions(-)

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2.7.4