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| author |   Gleb Natapov <gleb@redhat.com> | 2013-01-21 15:36:46 +0200 |
|---|---|---|
| committer |   Marcelo Tosatti <mtosatti@redhat.com> | 2013-01-24 00:40:28 -0200 |
| commit | 25391454e73e3156202264eb3c473825afe4bc94 (patch) | |
| tree | 0da5b484830685afe4332a0ffc308087a8cf2b26 /arch/x86/kvm | |
| parent | KVM: VMX: skip vmx->rmode.vm86_active check on cr0 write if unrestricted guest is enabled (diff) | |
| download | linux-dev-25391454e73e3156202264eb3c473825afe4bc94.tar.xz linux-dev-25391454e73e3156202264eb3c473825afe4bc94.zip | |
KVM: VMX: don't clobber segment AR of unusable segments.
Usability is returned in unusable field, so not need to clobber entire
AR. Callers have to know how to deal with unusable segments already
since if emulate_invalid_guest_state=true AR is not zeroed.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 319e840e2ada..77212d1e1df9 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3196,8 +3196,6 @@ static void vmx_get_segment(struct kvm_vcpu *vcpu, var->limit = vmx_read_guest_seg_limit(vmx, seg); var->selector = vmx_read_guest_seg_selector(vmx, seg); ar = vmx_read_guest_seg_ar(vmx, seg); - if ((ar & AR_UNUSABLE_MASK) && !emulate_invalid_guest_state) - ar = 0; var->type = ar & 15; var->s = (ar >> 4) & 1; var->dpl = (ar >> 5) & 3; |