]> www.infradead.org Git - users/dwmw2/linux.git/commit
x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=auto
authorJosh Poimboeuf <jpoimboe@kernel.org>
Thu, 11 Apr 2024 05:40:50 +0000 (22:40 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Apr 2024 09:15:17 +0000 (11:15 +0200)
commitd315f5eba585183b3b7c452ce95f58da63a5910c
tree9c6e31ae53047e629f09d2773015ac3722097696
parentebba2270ab744bd9eb8927ff1624f64cb3fe4ca4
x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=auto

commit 36d4fe147c870f6d3f6602befd7ef44393a1c87a upstream.

Unlike most other mitigations' "auto" options, spectre_bhi=auto only
mitigates newer systems, which is confusing and not particularly useful.

Remove it.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/412e9dc87971b622bbbaf64740ebc1f140bff343.1712813475.git.jpoimboe@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation/admin-guide/hw-vuln/spectre.rst
Documentation/admin-guide/kernel-parameters.txt
arch/x86/Kconfig
arch/x86/kernel/cpu/bugs.c