From 3092ad5c4f2ed6925847273a65c5598a73ee88d8 Mon Sep 17 00:00:00 2001
From: Josh Poimboeuf <jpoimboe@redhat.com>
Date: Wed, 17 Apr 2019 16:39:02 -0500
Subject: 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>
---
 Documentation/kernel-parameters.txt | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Documentation')

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
-- 
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