[v1] x86/bugs: RSB tweaks

[PATCH 0/2] x86/bugs: RSB tweaks

Josh Poimboeuf posted 2 patches 2 months, 1 week ago

Diff against v2
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arch/x86/kernel/cpu/bugs.c | 97 +++++++++++++++-----------------------
arch/x86/mm/tlb.c          |  2 +-
2 files changed, 38 insertions(+), 61 deletions(-)

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[PATCH 0/2] x86/bugs: RSB tweaks

Posted by Josh Poimboeuf 2 months, 1 week ago

Some RSB filling tweaks as discussed in the following thread:

  [RFC PATCH v2 0/3] Add support for the ERAPS feature
  https://lore.kernel.org/20241111163913.36139-1-amit@kernel.org

Josh Poimboeuf (2):
  x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpoline
  x86/bugs: Don't fill RSB on context switch with eIBRS

 arch/x86/kernel/cpu/bugs.c | 97 +++++++++++++++-----------------------
 arch/x86/mm/tlb.c          |  2 +-
 2 files changed, 38 insertions(+), 61 deletions(-)

-- 
2.47.0

Re: [PATCH 0/2] x86/bugs: RSB tweaks

Posted by Shah, Amit 2 months, 1 week ago

On Tue, 2024-11-19 at 23:27 -0800, Josh Poimboeuf wrote:
> Some RSB filling tweaks as discussed in the following thread:
> 
>   [RFC PATCH v2 0/3] Add support for the ERAPS feature
>   https://lore.kernel.org/20241111163913.36139-1-amit@kernel.org
> 
> Josh Poimboeuf (2):
>   x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpoline
>   x86/bugs: Don't fill RSB on context switch with eIBRS

Reviewed-by: Amit Shah <amit.shah@amd.com>