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authorJosh Poimboeuf <jpoimboe@redhat.com>2019-04-18 00:39:02 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-14 20:15:32 +0300
commit3c01673ec7bf4a27e037bd5a33ccd9b666a776a1 (patch)
treeb43960a343671c2649170efeafd0620831587b9f /Documentation
parent72a36b7b6daa90c3dc53269015be81e3f122ffbe (diff)
downloadlinux-3c01673ec7bf4a27e037bd5a33ccd9b666a776a1.tar.xz
x86/speculation/mds: Add 'mitigations=' support for MDS
commit 5c14068f87d04adc73ba3f41c2a303d3c3d1fa12 upstream Add MDS to the new 'mitigations=' cmdline option. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 2bf137f97902..c7937f379d22 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2587,6 +2587,7 @@
spectre_v2_user=off [X86]
spec_store_bypass_disable=off [X86,PPC]
l1tf=off [X86]
+ mds=off [X86]
auto (default)
Mitigate all CPU vulnerabilities, but leave SMT
@@ -2601,6 +2602,7 @@
if needed. This is for users who always want to
be fully mitigated, even if it means losing SMT.
Equivalent to: l1tf=flush,nosmt [X86]
+ mds=full,nosmt [X86]
mminit_loglevel=
[KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this