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

Florian Fainelli <f.fainelli@xxxxxxxxx> · Tue, 8 Sep 2020 20:04:10 -0700

On 8/24/2020 11:35 AM, Florian Fainelli wrote:
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

Does anybody at ARM or Android care about those changes? If so, would 
you be willing to review these?

Thanks

  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(-)

--
Florian