Skip to content

x86/bugs: RSB tweaks

Josh Poimboeuf kvm linux-doc lkml 2 versions – In review

Get series with b4
b4 am [email protected]

Versions newest first · linked by author and title

  1. v2 Latest2 patches 19 repliesIn review
  2. v12 patches 7 repliesSuperseded

Changes in v2 from the cover letter

- 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

Patches in v2 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/2x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpolinearch/x86/kernel/cpu/bugs.c+4 -411 replies
2/2x86/bugs: Don't fill RSB on context switch with eIBRSarch/x86/kernel/cpu/bugs.c arch/x86/mm/tlb.c+42 -638 replies

Reviews trailers per patch

All 2 patches have a Reviewed-by or Acked-by.

PatchPawan GuptaAmit Shah
1/2R-b R-b
2/2R-b R-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v2 thread

Cover letter [PATCH v2 0/2] x86/bugs: RSB tweaks

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/[email protected]

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(-)
Signature · 1 line
2.47.0

Read the cover letter in its thread