[patch 11/23] Fix m32r __xchg

Mathieu Desnoyers
2007-08-20T20:24:59Z

[-- Attachment #1: fix-m32r-__xchg.patch --]
[-- Type: text/plain, Size: 1540 bytes --]

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 <mathieu.desnoyers@polymtl.ca>
CC: takata@linux-m32r.org
CC: linux-m32r@ml.linux-m32r.org
CC: Adrian Bunk <bunk@kernel.org>
---
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);