diff options
| author | Pawan Gupta <pawan.kumar.gupta@linux.intel.com> | 2019-11-18 23:23:27 -0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-19 10:01:32 +0100 |
| commit | 7fac38635e1cc5ebae34eb6530da1009bd5808e4 (patch) | |
| tree | 7eaede164c578b61da2b928b16a4089dfc1fe851 /target | |
| parent | 7f7a585d5bd3c7f1275d28c77d9d67513c1de36c (diff) | |
target/i386: Export TAA_NO bit to guests
TSX Async Abort (TAA) is a side channel attack on internal buffers in
some Intel processors similar to Microachitectural Data Sampling (MDS).
Some future Intel processors will use the ARCH_CAP_TAA_NO bit in the
IA32_ARCH_CAPABILITIES MSR to report that they are not vulnerable to
TAA. Make this bit available to guests.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/i386/cpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 2f60df37c4..296b491607 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -1205,7 +1205,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { .feat_names = { "rdctl-no", "ibrs-all", "rsba", "skip-l1dfl-vmentry", "ssb-no", "mds-no", "pschange-mc-no", NULL, - NULL, NULL, NULL, NULL, + "taa-no", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |