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[Xen-ia64-devel] [PATCH] Modify vmx fault handler

from [SUZUKI Kazuhiro]

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Subject:	[Xen-ia64-devel] [PATCH] Modify vmx fault handler
From:	SUZUKI Kazuhiro <kaz@xxxxxxxxxxxxxx>
Date:	Tue, 07 Nov 2006 13:55:25 +0900 (JST)
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Hi all,

This patch fixes the vmx fault handler to set the fault vector number
in r19. The r19 is used to display a fault message in
dispatch_to_fault_handler().

Signed-off-by: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
Signed-off-by: Kazuhiro Suzuki <kaz@xxxxxxxxxxxxxx>

Thanks,
KAZ

diff -r 11b718eb22c9 xen/arch/ia64/vmx/vmx_ivt.S
--- a/xen/arch/ia64/vmx/vmx_ivt.S       Thu Nov 02 12:43:04 2006 -0700
+++ b/xen/arch/ia64/vmx/vmx_ivt.S       Mon Nov 06 10:17:53 2006 +0900
@@ -95,6 +95,7 @@
 
 #define VMX_FAULT(n)    \
 vmx_fault_##n:;          \
+    mov r19=n;;          \
     br.sptk.many dispatch_to_fault_handler;         \
     ;;                  \
 
@@ -106,7 +107,7 @@ vmx_fault_##n:;          \
     ;;      \
     tbit.z p6,p7=r29,IA64_PSR_VM_BIT;       \
 (p7)br.sptk.many vmx_dispatch_reflection;        \
-    VMX_FAULT(n);            \
+    br.sptk.many dispatch_to_fault_handler;      \
 
 
 GLOBAL_ENTRY(vmx_panic)

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