This makes the SET_SREGS ioctl behave symmetrically to the GET_SREGS
ioctl wrt the segment access rights flag.
From: Uri Lublin <[email protected]>
Signed-off-by: Uri Lublin <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -884,6 +884,8 @@ static void vmx_set_segment(struct kvm_v
ar |= (var->db & 1) << 14;
ar |= (var->g & 1) << 15;
}
+ if (ar == 0) /* a 0 value means unusable */
+ ar = AR_UNUSABLE_MASK;
vmcs_write32(sf->ar_bytes, ar);
}
-
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