diff -r 3191627e5ad6 xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c	Wed Oct 31 16:21:18 2007 +0000
+++ b/xen/arch/x86/hvm/svm/svm.c	Thu Nov 01 14:28:45 2007 +0000
@@ -2128,8 +2128,10 @@ asmlinkage void svm_vmexit_handler(struc
         svm_dump_vmcb(__func__, vmcb);
         goto exit_and_crash;
     }
-
-    perfc_incra(svmexits, exit_reason);
+    if ( exit_reason != VMEXIT_NPF)
+        perfc_incra(svmexits, exit_reason);
+    else
+        perfc_incra(svmexits, VMEXIT_NPF_PERFC);
 
     /* Event delivery caused this intercept? Queue for redelivery. */
     eventinj = vmcb->exitintinfo;
diff -r 3191627e5ad6 xen/include/asm-x86/hvm/svm/vmcb.h
--- a/xen/include/asm-x86/hvm/svm/vmcb.h	Wed Oct 31 16:21:18 2007 +0000
+++ b/xen/include/asm-x86/hvm/svm/vmcb.h	Thu Nov 01 15:15:49 2007 +0000
@@ -298,6 +298,8 @@ enum VMEXIT_EXITCODE
     VMEXIT_SKINIT           = 134,
     VMEXIT_RDTSCP           = 135,
     VMEXIT_ICEBP            = 136,
+    VMEXIT_NPF_PERFC,               /* index for NPF vmexit perf counter */
+    VMEXIT_PERFC_SIZE,              /* end of vmexit perf counter array  */
     VMEXIT_NPF              = 1024, /* nested paging fault */
     VMEXIT_INVALID          =  -1
 };
diff -r 3191627e5ad6 xen/include/asm-x86/perfc_defn.h
--- a/xen/include/asm-x86/perfc_defn.h	Wed Oct 31 16:21:18 2007 +0000
+++ b/xen/include/asm-x86/perfc_defn.h	Thu Nov 01 14:28:45 2007 +0000
@@ -9,7 +9,7 @@ PERFCOUNTER_ARRAY(vmexits,              
 PERFCOUNTER_ARRAY(vmexits,              "vmexits", VMX_PERF_EXIT_REASON_SIZE)
 PERFCOUNTER_ARRAY(cause_vector,         "cause vector", VMX_PERF_VECTOR_SIZE)
 
-#define SVM_PERF_EXIT_REASON_SIZE (1+136)
+#define SVM_PERF_EXIT_REASON_SIZE (1+137)
 PERFCOUNTER_ARRAY(svmexits,             "SVMexits", SVM_PERF_EXIT_REASON_SIZE)
 
 PERFCOUNTER(seg_fixups,             "segmentation fixups")