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authorJosh Poimboeuf <jpoimboe@redhat.com>2019-04-17 16:39:02 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-16 19:45:16 +0200
commit3092ad5c4f2ed6925847273a65c5598a73ee88d8 (patch)
tree8c9539a335d147b3ebb9cd6ff662ccd8933dee72 /Documentation
parenta50e2ca5757f54fc5b0eabbb77a509209cbcc40d (diff)
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> [bwh: Backported to 4.4: - Drop the auto,nosmt option, which we can't support - Adjust filenames, context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 647b988f6f5b..175d57049168 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2187,6 +2187,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
nospectre_v2 [X86]
spectre_v2_user=off [X86]
spec_store_bypass_disable=off [X86]
+ mds=off [X86]
auto (default)
Mitigate all CPU vulnerabilities, but leave SMT