linux-kernel - [PATCH v2 0/2] x86/bugs: RSB tweaks

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Message-ID: <cover.1732219175.git.jpoimboe@kernel.org>
Date: Thu, 21 Nov 2024 12:07:17 -0800
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: x86@...nel.org
Cc: linux-kernel@...r.kernel.org,
	amit@...nel.org,
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Subject: [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/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(-)

-- 
2.47.0