Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 31/45] KVM: SVM: Set the 'busy' flag of the TR selector | Date | Mon, 8 Dec 2008 13:36:42 +0200 |
| |
From: Amit Shah <amit.shah@redhat.com>
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> --- arch/x86/kvm/svm.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 665008d..743aebd 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -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; } -- 1.6.0.3
| |