[PATCH] nestedsvm: fix host crash with pv-on-hvm Linux KVM guest

[Christoph Egger <Christoph.Egger@amd.com>]

[-- Attachment #1: Type: text/plain, Size: 572 bytes --]


Nested SVM was unaware of the HVM direct vector eventchn mechanism. 
Attached patch fixes a host crash when starting a KVM L2 guest on a 
pv-on-hvm L1 Linux guest (e.g., HVM Debian Squeeze domU).

Signed-off-by: Uwe Dannowski <Uwe.Dannowski@amd.com>
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>

-- 
---to satisfy European Law for business letters:
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_vector.diff --]
[-- Type: text/plain, Size: 455 bytes --]

diff -r 6367a61197b2 xen/arch/x86/hvm/svm/nestedsvm.c
--- a/xen/arch/x86/hvm/svm/nestedsvm.c	Fri May 06 11:31:32 2011 +0200
+++ b/xen/arch/x86/hvm/svm/nestedsvm.c	Mon May 09 12:35:27 2011 +0200
@@ -1417,6 +1417,7 @@ nestedsvm_vcpu_interrupt(struct vcpu *v,
     switch (intack.source) {
     case hvm_intsrc_pic:
     case hvm_intsrc_lapic:
+    case hvm_intsrc_vector:
         exitcode = VMEXIT_INTR;
         exitinfo2 = intack.vector;
         break;

[-- Attachment #3: Type: text/plain, Size: 138 bytes --]

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel