Set segment fields explicitly instead of using  binary operations.

No behaviour changes.

Signed-off-by: Gleb Natapov <[email protected]>
---
 arch/x86/kvm/vmx.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d14bb12..4df3991 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3380,13 +3380,16 @@ static bool rmode_segment_valid(struct kvm_vcpu *vcpu, 
int seg)
        u32 ar;
 
        vmx_get_segment(vcpu, &var, seg);
+       var.dpl = 0x3;
+       var.g = 0;
+       var.db = 0;
        ar = vmx_segment_access_rights(&var);
 
        if (var.base != (var.selector << 4))
                return false;
        if (var.limit < 0xffff)
                return false;
-       if (((ar | (3 << AR_DPL_SHIFT)) & ~(AR_G_MASK | AR_DB_MASK)) != 0xf3)
+       if (ar != 0xf3)
                return false;
 
        return true;
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to