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* [GIT PULL] x86/urgent for v5.19-rc8
@ 2022-07-24  9:05 Borislav Petkov
  2022-07-24 17:01 ` pr-tracker-bot
  0 siblings, 1 reply; 2+ messages in thread
From: Borislav Petkov @ 2022-07-24  9:05 UTC (permalink / raw)
  To: Linus Torvalds; +Cc: x86-ml, lkml

Hi Linus,

please pull a couple more retbleed fallout fixes.

It looks like their urgency is decreasing so it seems like we've managed
to catch whatever snafus the limited -rc testing has exposed. Maybe
we're getting ready... :)



The following changes since commit ff6992735ade75aae3e35d16b17da1008d753d28:

  Linux 5.19-rc7 (2022-07-17 13:30:22 -0700)

are available in the Git repository at:

  git:// tags/x86_urgent_for_v5.19_rc8

for you to fetch changes up to b648ab487f31bc4c38941bc770ea97fe394304bb:

  x86/speculation: Make all RETbleed mitigations 64-bit only (2022-07-23 18:45:11 +0200)

- Make retbleed mitigations 64-bit only (32-bit will need a bit more
work if even needed, at all).

- Prevent return thunks patching of the LKDTM modules as it is not needed there

- Avoid writing the SPEC_CTRL MSR on every kernel entry on eIBRS parts

- Enhance error output of apply_returns() when it fails to patch a return thunk

- A sparse fix to the sev-guest module

- Protect EFI fw calls by issuing an IBPB on AMD

Ben Hutchings (1):
      x86/speculation: Make all RETbleed mitigations 64-bit only

Josh Poimboeuf (1):
      lkdtm: Disable return thunks in rodata.c

Kees Cook (1):
      x86/alternative: Report missing return thunk details

Pawan Gupta (1):
      x86/bugs: Warn when "ibrs" mitigation is selected on Enhanced IBRS parts

Peter Zijlstra (1):
      x86/amd: Use IBPB for firmware calls

Tom Lendacky (1):
      virt: sev-guest: Pass the appropriate argument type to iounmap()

 arch/x86/Kconfig                        |  8 ++++----
 arch/x86/Makefile                       |  1 +
 arch/x86/include/asm/cpufeatures.h      |  1 +
 arch/x86/include/asm/nospec-branch.h    |  2 ++
 arch/x86/kernel/alternative.c           |  4 +++-
 arch/x86/kernel/cpu/bugs.c              | 14 +++++++++++++-
 drivers/misc/lkdtm/Makefile             |  9 ++++++---
 drivers/virt/coco/sev-guest/sev-guest.c |  9 ++++++---
 8 files changed, 36 insertions(+), 12 deletions(-)


SUSE Software Solutions Germany GmbH
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Martje Boudien Moerman
(HRB 36809, AG Nürnberg)

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