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linux/tools
Linus Torvalds 138bcddb86 Merge tag 'x86_bugs_srso' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/srso fixes from Borislav Petkov:
 "Add a mitigation for the speculative RAS (Return Address Stack)
  overflow vulnerability on AMD processors.

  In short, this is yet another issue where userspace poisons a
  microarchitectural structure which can then be used to leak privileged
  information through a side channel"

* tag 'x86_bugs_srso' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/srso: Tie SBPB bit setting to microcode patch detection
  x86/srso: Add a forgotten NOENDBR annotation
  x86/srso: Fix return thunks in generated code
  x86/srso: Add IBPB on VMEXIT
  x86/srso: Add IBPB
  x86/srso: Add SRSO_NO support
  x86/srso: Add IBPB_BRTYPE support
  x86/srso: Add a Speculative RAS Overflow mitigation
  x86/bugs: Increase the x86 bugs vector size to two u32s
2023-08-07 16:35:44 -07:00
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2023-04-18 14:22:12 -07:00