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-rw-r--r--target/i386/kvm/kvm-cpu.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/target/i386/kvm/kvm-cpu.c b/target/i386/kvm/kvm-cpu.c
index f9b99b5..d57a68a 100644
--- a/target/i386/kvm/kvm-cpu.c
+++ b/target/i386/kvm/kvm-cpu.c
@@ -64,8 +64,15 @@ static bool kvm_cpu_realizefn(CPUState *cs, Error **errp)
* cpu_common_realizefn() (via xcc->parent_realize)
*/
if (cpu->max_features) {
- if (enable_cpu_pm && kvm_has_waitpkg()) {
- env->features[FEAT_7_0_ECX] |= CPUID_7_0_ECX_WAITPKG;
+ if (enable_cpu_pm) {
+ if (kvm_has_waitpkg()) {
+ env->features[FEAT_7_0_ECX] |= CPUID_7_0_ECX_WAITPKG;
+ }
+
+ if (env->features[FEAT_1_ECX] & CPUID_EXT_MONITOR) {
+ host_cpuid(5, 0, &cpu->mwait.eax, &cpu->mwait.ebx,
+ &cpu->mwait.ecx, &cpu->mwait.edx);
+ }
}
if (cpu->ucode_rev == 0) {
cpu->ucode_rev =