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Commit c0d09828 authored by Amit Shah's avatar Amit Shah Committed by Avi Kivity
Browse files

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



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: default avatarAmit Shah <amit.shah@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 25022acc

arch/x86/kvm/svm.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -781,6 +781,13 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, 
	if (seg == VCPU_SREG_CS)

	if (seg == VCPU_SREG_CS)

		var->g = s->limit > 0xfffff;

		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;

	var->unusable = !var->present;

}

}