From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
When a system is not affected by Indirect Target Selection (ITS)
vulnerability, VMMs set ITS_NO bit in MSR IA32_ARCH_CAPABILITIES to let the
guest know that it is not affected.
Make it available to guests.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Link: https://lore.kernel.org/r/8c1797e488b42650f62d816f25c58726eb522fad.1745946029.git.pawan.kumar.gupta@linux.intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/cpu.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 1656de3dcca..ec908d7d360 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1383,6 +1383,14 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"bhi-no", NULL, NULL, NULL,
"pbrsb-no", NULL, "gds-no", "rfds-no",
"rfds-clear", NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL,
+ NULL, NULL, "its-no", NULL,
},
.msr = {
.index = MSR_IA32_ARCH_CAPABILITIES,
--
2.49.0