| To: | <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] [PATCH] x86: adjust placement of pause insn in _raw_spin_lock() |
| From: | "Jan Beulich" <jbeulich@xxxxxxxxxx> |
| Date: | 2008年8月08日 13:49:05 +0100 |
| Delivery-date: | 2008年8月08日 05:48:37 -0700 |
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Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx> Index: 2008年08月06日/xen/include/asm-x86/spinlock.h =================================================================== --- 2008年08月06日.orig/xen/include/asm-x86/spinlock.h 2007年09月10日 09:59:37.000000000 +0200 +++ 2008年08月06日/xen/include/asm-x86/spinlock.h 2008年08月07日 12:36:13.000000000 +0200 @@ -23,8 +23,8 @@ static inline void _raw_spin_lock(spinlo "1: lock; decb %0 \n" " js 2f \n" ".section .text.lock,\"ax\"\n" - "2: cmpb 0,ドル%0 \n" - " rep; nop \n" + "2: rep; nop \n" + " cmpb 0,ドル%0 \n" " jle 2b \n" " jmp 1b \n" ".previous" _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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