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authorPawan Gupta <pawan.kumar.gupta@linux.intel.com>2023-06-23 13:26:25 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2023-06-29 10:49:43 +0200
commit5bef742cc4f0e21c80a31611af7881ba811e507f (patch)
treef954647196d77ddebf278024516ecca92c849b8a /target
parent67f85346ca9305d9fb3254ceff735ceaadeb0911 (diff)
target/i386: Export MSR_ARCH_CAPABILITIES bits to guests
On Intel CPUs there are certain bits in MSR_ARCH_CAPABILITIES that indicates if the CPU is not affected by a vulnerability. Without these bits guests may try to deploy the mitigation even if the CPU is not affected. Export the bits to guests that indicate immunity to hardware vulnerabilities. Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Message-ID: <63d85cc76d4cdc51e6c732478b81d8f13be11e5a.1687551881.git.pawan.kumar.gupta@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target')
-rw-r--r--target/i386/cpu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index c0fb6b3ad9..b96a609d96 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1060,10 +1060,10 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"rdctl-no", "ibrs-all", "rsba", "skip-l1dfl-vmentry",
"ssb-no", "mds-no", "pschange-mc-no", "tsx-ctrl",
"taa-no", NULL, NULL, NULL,
- NULL, NULL, NULL, NULL,
+ NULL, "sbdr-ssdp-no", "fbsdp-no", "psdp-no",
NULL, "fb-clear", NULL, NULL,
NULL, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL,
+ "pbrsb-no", NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
},
.msr = {