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[Xen-changelog] [xen-unstable] Don't trap int3 instructions by default -

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Subject:	[Xen-changelog] [xen-unstable] Don't trap int3 instructions by default - can have a major overhead in
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Wed, 28 Mar 2007 12:40:07 -0700
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# HG changeset patch
# User Steven Hand <steven@xxxxxxxxxxxxx>
# Date 1175093922 -3600
# Node ID c0c5e37b20ae684cf4c939bd88d4b93a671860ac
# Parent  6ee683d1b61fe16739152b8a74a7f0569e27d442
Don't trap int3 instructions by default - can have a major overhead in
certain cases, and typically not used for anything.

Signed-off-by: Steven Hand <steven@xxxxxxxxxxxxx>
---
 xen/include/asm-x86/hvm/support.h |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

diff -r 6ee683d1b61f -r c0c5e37b20ae xen/include/asm-x86/hvm/support.h
--- a/xen/include/asm-x86/hvm/support.h Wed Mar 28 15:31:17 2007 +0100
+++ b/xen/include/asm-x86/hvm/support.h Wed Mar 28 15:58:42 2007 +0100
@@ -86,8 +86,7 @@ enum hval_bitmaps {
       EXCEPTION_BITMAP_GP )
 #else
 #define MONITOR_DEFAULT_EXCEPTION_BITMAP        \
-    ( EXCEPTION_BITMAP_PG |                     \
-      EXCEPTION_BITMAP_BP )
+    ( EXCEPTION_BITMAP_PG )
 #endif
 
 #define VMX_DELIVER_NO_ERROR_CODE  -1

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