From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753544AbYKZM6J (ORCPT ); Wed, 26 Nov 2008 07:58:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751776AbYKZM5x (ORCPT ); Wed, 26 Nov 2008 07:57:53 -0500 Received: from smtp.polymtl.ca ([132.207.4.11]:46104 "EHLO smtp.polymtl.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751506AbYKZM5x (ORCPT ); Wed, 26 Nov 2008 07:57:53 -0500 Message-Id: <20081126124636.720939952@polymtl.ca> References: <20081126124246.800751190@polymtl.ca> User-Agent: quilt/0.46-1 Date: Wed, 26 Nov 2008 07:43:01 -0500 From: Mathieu Desnoyers To: Ingo Molnar , akpm@linux-foundation.org, Linus Torvalds , linux-kernel@vger.kernel.org Cc: Mathieu Desnoyers , Ralf Baechle , Peter Zijlstra Subject: [patch 15/17] MIPS create empty sync_core() Content-Disposition: inline; filename=mips-create-empty-sync_core.patch X-Poly-FromMTA: (test.casi.polymtl.ca [132.207.72.60]) at Wed, 26 Nov 2008 12:57:42 +0000 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Needed by architecture-independant tsc-sync.c. Signed-off-by: Mathieu Desnoyers CC: Ralf Baechle CC: Peter Zijlstra --- arch/mips/include/asm/barrier.h | 6 ++++++ 1 file changed, 6 insertions(+) Index: linux.trees.git/arch/mips/include/asm/barrier.h =================================================================== --- linux.trees.git.orig/arch/mips/include/asm/barrier.h 2008-11-12 18:15:47.000000000 -0500 +++ linux.trees.git/arch/mips/include/asm/barrier.h 2008-11-26 06:57:50.000000000 -0500 @@ -152,4 +152,10 @@ #define smp_llsc_rmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") #define smp_llsc_wmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") +/* + * MIPS does not have any instruction to serialize instruction execution on the + * core. + */ +#define sync_core() + #endif /* __ASM_BARRIER_H */ -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68