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[v2,0/2] x86/bugs: RSB tweaks

Message ID cover.1732219175.git.jpoimboe@kernel.org (mailing list archive)
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Series x86/bugs: RSB tweaks | expand

Message

Josh Poimboeuf Nov. 21, 2024, 8:07 p.m. UTC 
v2:
- remove stray whitespace in printk
- clarify patch 2 comment message about prev/next tasks
- move error path to default switch case in spectre_v2_mitigate_rsb()
- add Reviewed-bys

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 | 115 +++++++++++++++----------------------
 arch/x86/mm/tlb.c          |   2 +-
 2 files changed, 48 insertions(+), 69 deletions(-)