diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/hw-vuln/mds.rst | 3 | ||||
-rw-r--r-- | Documentation/kernel-parameters.txt | 6 |
2 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/hw-vuln/mds.rst b/Documentation/hw-vuln/mds.rst index ff6bfdb97eee..aec9e49256b5 100644 --- a/Documentation/hw-vuln/mds.rst +++ b/Documentation/hw-vuln/mds.rst @@ -260,6 +260,9 @@ time with the option "mds=". The valid arguments for this option are: It does not automatically disable SMT. + full,nosmt The same as mds=full, with SMT disabled on vulnerable + CPUs. This is the complete mitigation. + off Disables MDS mitigations completely. ============ ============================================================= diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 7164790b82c0..4c134700c120 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2341,8 +2341,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. This parameter controls the MDS mitigation. The options are: - full - Enable MDS mitigation on vulnerable CPUs - off - Unconditionally disable MDS mitigation + full - Enable MDS mitigation on vulnerable CPUs + full,nosmt - Enable MDS mitigation and disable + SMT on vulnerable CPUs + off - Unconditionally disable MDS mitigation Not specifying this option is equivalent to mds=full. |