shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 18:41:58 +09:00
Code Issues Packages Projects Releases Wiki Activity

x86: set SPECTRE_BHI_ON as default

Browse Source 
commit 2bb69f5fc72183e1c62547d900f560d0e9334925 upstream.

Part of a merge commit from Linus that adjusted the default setting of
SPECTRE_BHI_ON.

Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2024-04-09 19:32:41 +02:00
parent 3e4283b771
commit e21838dfd0
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/Kconfig
View File

@@ -2566,7 +2566,7 @@ config MITIGATION_RFDS
choice choice
prompt "Clear branch history" prompt "Clear branch history"
depends on CPU_SUP_INTEL depends on CPU_SUP_INTEL
default SPECTRE_BHI_AUTO default SPECTRE_BHI_ON
help help
Enable BHI mitigations. BHI attacks are a form of Spectre V2 attacks Enable BHI mitigations. BHI attacks are a form of Spectre V2 attacks
where the branch history buffer is poisoned to speculatively steer where the branch history buffer is poisoned to speculatively steer