From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755635AbYKGFqN (ORCPT ); Fri, 7 Nov 2008 00:46:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752273AbYKGFoQ (ORCPT ); Fri, 7 Nov 2008 00:44:16 -0500 Received: from smtp.polymtl.ca ([132.207.4.11]:60929 "EHLO smtp.polymtl.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754736AbYKGFoO (ORCPT ); Fri, 7 Nov 2008 00:44:14 -0500 Message-Id: <20081107053351.171080766@polymtl.ca> References: <20081107052336.652868737@polymtl.ca> User-Agent: quilt/0.46-1 Date: Fri, 07 Nov 2008 00:23:52 -0500 From: Mathieu Desnoyers To: Linus Torvalds , akpm@linux-foundation.org, Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org Cc: Mathieu Desnoyers , Ralf Baechle Subject: [RFC patch 16/18] 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 Fri, 7 Nov 2008 05:43:24 +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 2008-10-30 20:22:49.000000000 -0400 +++ linux.trees.git/arch/mips/include/asm/barrier.h 2008-11-07 00:16:28.000000000 -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