From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759050AbXH0QBW (ORCPT ); Mon, 27 Aug 2007 12:01:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755908AbXH0Pzu (ORCPT ); Mon, 27 Aug 2007 11:55:50 -0400 Received: from smtp.polymtl.ca ([132.207.4.11]:41958 "EHLO smtp.polymtl.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757976AbXH0Pzs (ORCPT ); Mon, 27 Aug 2007 11:55:48 -0400 Message-Id: <20070827155524.503255159@polymtl.ca> References: <20070827155234.062715780@polymtl.ca> User-Agent: quilt/0.46-1 Date: Mon, 27 Aug 2007 11:52:37 -0400 From: Mathieu Desnoyers To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org Cc: Mathieu Desnoyers , ralf@linux-mips.org Subject: [patch 03/28] Add cmpxchg64 and cmpxchg64_local to mips Content-Disposition: inline; filename=add-cmpxchg64-to-mips.patch X-Poly-FromMTA: (dijkstra.casi.polymtl.ca [132.207.72.10]) at Mon, 27 Aug 2007 15:55:24 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Make sure that at least cmpxchg64_local is available on all architectures to use for unsigned long long values. Signed-off-by: Mathieu Desnoyers CC: ralf@linux-mips.org CC linux-mips@linux-mips.org --- include/asm-mips/system.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) Index: linux-2.6-lttng/include/asm-mips/system.h =================================================================== --- linux-2.6-lttng.orig/include/asm-mips/system.h 2007-08-27 11:28:22.000000000 -0400 +++ linux-2.6-lttng/include/asm-mips/system.h 2007-08-27 11:38:09.000000000 -0400 @@ -407,13 +407,22 @@ static inline unsigned long __cmpxchg_u6 return retval; } +#define cmpxchg64 cmpxchg +#define cmpxchg64_local cmpxchg_local + #else + +#include + +#define cmpxchg64_local(ptr,o,n) __cmpxchg64_local_generic((ptr), (o), (n)) + extern unsigned long __cmpxchg_u64_unsupported_on_32bit_kernels( volatile int * m, unsigned long old, unsigned long new); #define __cmpxchg_u64 __cmpxchg_u64_unsupported_on_32bit_kernels extern unsigned long __cmpxchg_u64_local_unsupported_on_32bit_kernels( volatile int * m, unsigned long old, unsigned long new); #define __cmpxchg_u64_local __cmpxchg_u64_local_unsupported_on_32bit_kernels + #endif /* This function doesn't exist, so you'll get a linker error @@ -449,7 +458,6 @@ static inline unsigned long __cmpxchg_lo #define cmpxchg(ptr,old,new) \ ((__typeof__(*(ptr)))__cmpxchg((ptr), \ (unsigned long)(old), (unsigned long)(new),sizeof(*(ptr)))) - #define cmpxchg_local(ptr,old,new) \ ((__typeof__(*(ptr)))__cmpxchg_local((ptr), \ (unsigned long)(old), (unsigned long)(new),sizeof(*(ptr)))) -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68