[lkml]   [2018]   [Jul]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Subject[PATCH 0/2] x86/bugs: Updates to SSBD support on AMD
These patches update the SSBD support on AMD processors.

The following patches are included in this series:
- In addition to checking the family, the check for the LS_CFG_SSBD
feature only needs to done if both the AMD_SSBD and VIRT_SSBD features
are not present.
- Since AMD can support more than one SSBD mitigation method, the check
for when to use the SPEC_CTRL MSR for SSBD support needs to be more
specific. Explicitly check for the features that use the SPEC_CTRL MSR.

This patch series is based on tip:master.


Tom Lendacky (2):
x86/bugs: Update when to check for the LS_CFG SSBD mitigation
x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR

arch/x86/kernel/cpu/amd.c | 4 +++-
arch/x86/kernel/cpu/bugs.c | 8 +++++---
2 files changed, 8 insertions(+), 4 deletions(-)

Tom Lendacky

 \ /
  Last update: 2018-07-02 23:36    [W:0.061 / U:2.356 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site