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target/i386: add PSCHANGE_NO bit for the ARCH_CAPABILITIES MSR
author
Paolo Bonzini
<pbonzini@redhat.com>
Wed, 13 Nov 2019 14:54:35 +0000
(15:54 +0100)
committer
Paolo Bonzini
<pbonzini@redhat.com>
Tue, 19 Nov 2019 09:00:36 +0000
(10:00 +0100)
This is required to disable ITLB multihit mitigations in nested
hypervisors.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
target/i386/cpu.c
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diff --git
a/target/i386/cpu.c
b/target/i386/cpu.c
index
a624163
..
2f60df3
100644
(file)
--- a/
target/i386/cpu.c
+++ b/
target/i386/cpu.c
@@
-1204,7
+1204,7
@@
static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.type = MSR_FEATURE_WORD,
.feat_names = {
"rdctl-no", "ibrs-all", "rsba", "skip-l1dfl-vmentry",
- "ssb-no", "mds-no",
NULL
, NULL,
+ "ssb-no", "mds-no",
"pschange-mc-no"
, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,