gentoo-overlay/app-emulation/qemu/files/qemu-3.1.0-md-clear-md-no.patch

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