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[Qemu-stable] [PATCH 2/3] [for v4.0 stable] target/i386: define md-clear
From: |
Oguz Bektas |
Subject: |
[Qemu-stable] [PATCH 2/3] [for v4.0 stable] target/i386: define md-clear bit |
Date: |
Thu, 6 Jun 2019 16:12:04 +0200 |
From: Paolo Bonzini <address@hidden>
md-clear is a new CPUID bit which is set when microcode provides the
mechanism to invoke a flush of various exploitable CPU buffers by invoking
the VERW instruction.
Signed-off-by: Paolo Bonzini <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Eduardo Habkost <address@hidden>
(cherry picked from commit b2ae52101fca7f9547ac2f388085dbc58f8fe1c0)
Signed-off-by: Oguz Bektas <address@hidden>
---
target/i386/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index ee4b8b47e2..331a364a1b 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,
--
2.11.0