Commit 563a2e39 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Greg Kroah-Hartman

Documentation: Add MDS vulnerability documentation

commit 5999bbe7 upstream

Add the initial MDS vulnerability documentation.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarJon Masters <jcm@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 39a02bd9
......@@ -497,8 +497,7 @@ Description: Information about CPU vulnerabilities
"Vulnerable" CPU is affected and no mitigation in effect
"Mitigation: $M" CPU is affected and mitigation $M is in effect
Details about the l1tf file can be found in
Documentation/admin-guide/hw-vuln/l1tf.rst
See also: Documentation/admin-guide/hw-vuln/index.rst
What: /sys/devices/system/cpu/smt
/sys/devices/system/cpu/smt/active
......
......@@ -10,3 +10,4 @@ are configurable at compile, boot or run time.
:maxdepth: 1
l1tf
mds
......@@ -445,6 +445,7 @@ The default is 'cond'. If 'l1tf=full,force' is given on the kernel command
line, then 'always' is enforced and the kvm-intel.vmentry_l1d_flush
module parameter is ignored and writes to the sysfs file are rejected.
.. _mitigation_selection:
Mitigation selection guide
--------------------------
......
This diff is collapsed.
......@@ -2409,6 +2409,8 @@
Not specifying this option is equivalent to
mds=full.
For details see: Documentation/admin-guide/hw-vuln/mds.rst
mem=nn[KMG] [KNL,BOOT] Force usage of a specific amount of memory
Amount of memory to be used when the kernel is not able
to see the whole system memory or for test.
......
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