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From 0fb766134bd97ead71646e13349f93769e536ed9 Mon Sep 17 00:00:00 2001
From: Matthias Maier <tamiko@43-1.org>
Date: Fri, 17 May 2019 02:21:10 -0500
Subject: [PATCH] Define md-clear bit, expose md-no CPUID
Fixes for CVE-2018-121{26|27|30}, CVE-2019-11091
See related fixes for Ubuntu:
https://launchpad.net/ubuntu/+source/qemu/1:3.1+dfsg-2ubuntu3.1
---
target/i386/cpu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index d6bb57d2..331a364a 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1076,7 +1076,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.feat_names = {
NULL, NULL, "avx512-4vnniw", "avx512-4fmaps",
NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL,
+ NULL, NULL, "md-clear", NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
@@ -1183,7 +1183,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.type = MSR_FEATURE_WORD,
.feat_names = {
"rdctl-no", "ibrs-all", "rsba", "skip-l1dfl-vmentry",
- "ssb-no", NULL, NULL, NULL,
+ "ssb-no", "mds-no", NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
--
2.21.0
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