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[Xen-changelog] [xen-unstable] x86_emulate: Load FPU context before FWAI

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Subject:	[Xen-changelog] [xen-unstable] x86_emulate: Load FPU context before FWAIT.
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Wed, 05 Mar 2008 05:20:07 -0800
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1204637280 0
# Node ID 96453af916b9351bf8b6f319c4949c77082919fb
# Parent  d6e6ba8a72bf3025652fefa61553ab9454f1e897
x86_emulate: Load FPU context before FWAIT.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 xen/arch/x86/x86_emulate.c |    2 ++
 1 files changed, 2 insertions(+)

diff -r d6e6ba8a72bf -r 96453af916b9 xen/arch/x86/x86_emulate.c
--- a/xen/arch/x86/x86_emulate.c        Tue Mar 04 11:20:22 2008 +0000
+++ b/xen/arch/x86/x86_emulate.c        Tue Mar 04 13:28:00 2008 +0000
@@ -2383,6 +2383,8 @@ x86_emulate(
     }
 
     case 0x9b:  /* wait/fwait */
+        fail_if(ops->load_fpu_ctxt == NULL);
+        ops->load_fpu_ctxt(ctxt);
         __emulate_fpu_insn("fwait");
         break;
 

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