From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <20071030192106.323961420@polymtl.ca> References: <20071030191557.947156623@polymtl.ca> Date: Tue, 30 Oct 2007 15:16:12 -0400 From: Mathieu Desnoyers Subject: [patch 15/28] Fix m32r __xchg Content-Disposition: inline; filename=fix-m32r-__xchg.patch Sender: owner-linux-mm@kvack.org Return-Path: To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, matthew@wil.cx, linux-arch@vger.kernel.org, penberg@cs.helsinki.fi, linux-mm@kvack.org, Christoph Lameter Cc: Mathieu Desnoyers , Hirokazu Takata , linux-m32r@ml.linux-m32r.org, Adrian Bunk List-ID: the #endif /* CONFIG_SMP */ should cover the default condition, or it may cause bad parameter to be silently missed. To make it work correctly, we have to remove the ifdef CONFIG SMP surrounding __xchg_called_with_bad_pointer declaration. Thanks to Adrian Bunk for detecting this. Signed-off-by: Mathieu Desnoyers Acked-by: Hirokazu Takata CC: linux-m32r@ml.linux-m32r.org CC: Adrian Bunk --- include/asm-m32r/system.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) Index: linux-2.6-lttng/include/asm-m32r/system.h =================================================================== --- linux-2.6-lttng.orig/include/asm-m32r/system.h 2007-08-13 18:21:02.000000000 -0400 +++ linux-2.6-lttng/include/asm-m32r/system.h 2007-08-19 07:08:26.000000000 -0400 @@ -127,9 +127,7 @@ static inline void local_irq_disable(voi ((__typeof__(*(ptr)))__xchg_local((unsigned long)(x),(ptr), \ sizeof(*(ptr)))) -#ifdef CONFIG_SMP extern void __xchg_called_with_bad_pointer(void); -#endif #ifdef CONFIG_CHIP_M32700_TS1 #define DCACHE_CLEAR(reg0, reg1, addr) \ @@ -189,9 +187,9 @@ __xchg(unsigned long x, volatile void * #endif /* CONFIG_CHIP_M32700_TS1 */ ); break; +#endif /* CONFIG_SMP */ default: __xchg_called_with_bad_pointer(); -#endif /* CONFIG_SMP */ } local_irq_restore(flags); -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org