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| author |   Avi Kivity <avi@redhat.com> | 2009-01-04 23:43:42 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-03-24 11:03:00 +0200 |
| commit | 9fd4a3b7a412f983696b23121413a79d2132fed6 (patch) | |
| tree | 79c1ce7536982efd64fe3d1b1368620b3bb4280c /arch/x86/kvm | |
| parent | KVM: VMX: Fix guest state validity checks (diff) | |
| download | linux-dev-9fd4a3b7a412f983696b23121413a79d2132fed6.tar.xz linux-dev-9fd4a3b7a412f983696b23121413a79d2132fed6.zip | |
KVM: VMX: don't clobber segment AR if emulating invalid state
The ususable bit is important for determining state validity; don't
clobber it.
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index be9441056ff2..a6598cbaa001 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1649,7 +1649,7 @@ static void vmx_get_segment(struct kvm_vcpu *vcpu, var->limit = vmcs_read32(sf->limit); var->selector = vmcs_read16(sf->selector); ar = vmcs_read32(sf->ar_bytes); - if (ar & AR_UNUSABLE_MASK) + if ((ar & AR_UNUSABLE_MASK) && !emulate_invalid_guest_state) ar = 0; var->type = ar & 15; var->s = (ar >> 4) & 1; |