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[Xen-devel] A simple cleanup
| To: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] A simple cleanup |
| From: | "Dong, Eddie" <eddie.dong@xxxxxxxxx> |
| Date: | Tue, 28 Apr 2009 15:34:51 +0800 |
| Accept-language: | en-US |
| Acceptlanguage: | en-US |
| Cc: | "Dong, Eddie" <eddie.dong@xxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Delivery-date: | Tue, 28 Apr 2009 00:37:02 -0700 |
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| Thread-index: | AcnH09EQvKOW7eItRdGQoQGFCH5xuQ== |
| Thread-topic: | A simple cleanup |
Reuse idtv_info to avoid double read of IDT_VECTORING.
Signed-off-by: Eddie Dong <eddie.dong@xxxxxxxxx>
diff -r 694b7daa353c xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c Wed Sep 17 14:16:02 2008 +0100
+++ b/xen/arch/x86/hvm/vmx/vmx.c Mon Apr 27 17:14:12 2009 +0800
@@ -2098,7 +2098,7 @@ asmlinkage void vmx_vmexit_handler(struc
* (NB. If we emulate this IRET for any reason, we should re-clear!)
*/
if ( unlikely(intr_info & INTR_INFO_NMI_UNBLOCKED_BY_IRET) &&
- !(__vmread(IDT_VECTORING_INFO) & INTR_INFO_VALID_MASK) &&
+ !(idtv_info & INTR_INFO_VALID_MASK) &&
(vector != TRAP_double_fault) )
__vmwrite(GUEST_INTERRUPTIBILITY_INFO,
__vmread(GUEST_INTERRUPTIBILITY_INFO)
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