[PATCH stable 4.19 v2 0/2] arm64: entry: Place an SB sequence following an ERET instruction

Florian Fainelli f.fainelli at gmail.com
Mon Aug 24 14:35:10 EDT 2020


Changes in v2:

- included missing preliminary patch to define the SB barrier instruction

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     |  6 ++++++
 arch/arm64/include/asm/uaccess.h    |  3 +--
 arch/arm64/include/uapi/asm/hwcap.h |  1 +
 arch/arm64/kernel/cpufeature.c      | 12 ++++++++++++
 arch/arm64/kernel/cpuinfo.c         |  1 +
 arch/arm64/kernel/entry.S           |  2 ++
 arch/arm64/kvm/hyp/entry.S          |  1 +
 arch/arm64/kvm/hyp/hyp-entry.S      |  4 ++++
 11 files changed, 47 insertions(+), 3 deletions(-)

-- 
2.7.4




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