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KVM: SVM: Set the 'busy' flag of the TR selector

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The busy flag of the TR selector is not set by the hardware. This breaks
migration from amd hosts to intel hosts.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Amit Shah 2008-10-27 09:04:18 +00:00 committed by Avi Kivity
parent 25022acc3d
commit c0d09828c8
1 changed files with 7 additions and 0 deletions
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7
arch/x86/kvm/svm.c
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@ -781,6 +781,13 @@ static void svm_get_segment(struct kvm_vcpu *vcpu,
if (seg == VCPU_SREG_CS)
var->g = s->limit > 0xfffff;
/*
* Work around a bug where the busy flag in the tr selector
* isn't exposed
*/
if (seg == VCPU_SREG_TR)
var->type |= 0x2;
var->unusable = !var->present;
}