* [PATCH] nsvm: fix check if guest enabled nested paging
@ 2012-06-21 11:52 Christoph Egger
2012-06-25 9:22 ` Tim Deegan
0 siblings, 1 reply; 2+ messages in thread
From: Christoph Egger @ 2012-06-21 11:52 UTC (permalink / raw)
To: xen-devel@lists.xen.org
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Fix check if guest enabled nested paging.
Fixes crashes with Windows guests when shadow-on-nested is used.
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
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Advanced Micro Devices GmbH
Einsteinring 24, 85689 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632
[-- Attachment #2: xen_nh_npf.diff --]
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diff -r 195185eba60b xen/arch/x86/hvm/svm/nestedsvm.c
--- a/xen/arch/x86/hvm/svm/nestedsvm.c Thu Jun 21 11:26:43 2012 +0200
+++ b/xen/arch/x86/hvm/svm/nestedsvm.c Thu Jun 21 13:30:07 2012 +0200
@@ -935,6 +935,9 @@ nsvm_vmcb_guest_intercepts_exitcode(stru
return 0;
case VMEXIT_NPF:
+ if (nestedhvm_paging_mode_hap(v))
+ break;
+ return 0;
case VMEXIT_INVALID:
/* Always intercepted */
break;
[-- Attachment #3: Type: text/plain, Size: 126 bytes --]
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* Re: [PATCH] nsvm: fix check if guest enabled nested paging
2012-06-21 11:52 [PATCH] nsvm: fix check if guest enabled nested paging Christoph Egger
@ 2012-06-25 9:22 ` Tim Deegan
0 siblings, 0 replies; 2+ messages in thread
From: Tim Deegan @ 2012-06-25 9:22 UTC (permalink / raw)
To: Christoph Egger; +Cc: xen-devel@lists.xen.org
At 13:52 +0200 on 21 Jun (1340286760), Christoph Egger wrote:
>
> Fix check if guest enabled nested paging.
> Fixes crashes with Windows guests when shadow-on-nested is used.
>
> Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Applied, thanks.
Tim.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-06-25 9:22 ` Tim Deegan
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