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kvm: Simplify invtsc check 

Instead of searching the table we have just built, we can check
the env->features field directly.

Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170108173234.25721-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2017-01-08 15:32:33 -02:00
parent 3964ec6c0b
commit d74460ec1b
1 changed files with 2 additions and 2 deletions
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4
target/i386/kvm.c
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@ -963,8 +963,8 @@ int kvm_arch_init_vcpu(CPUState *cs)
has_msr_mcg_ext_ctl = has_msr_feature_control = true;
}
c = cpuid_find_entry(&cpuid_data.cpuid, 0x80000007, 0);
if (c && (c->edx & 1<<8) && invtsc_mig_blocker == NULL) {
if ((env->features[FEAT_8000_0007_EDX] & CPUID_APM_INVTSC) &&
invtsc_mig_blocker == NULL) {
/* for migration */
error_setg(&invtsc_mig_blocker,
"State blocked by non-migratable CPU device"