2006-03-22 15:16:26

by Martin Schwidefsky

[permalink] [raw]
Subject: [patch 6/24] s390: BUG() warnings.

From: Martin Schwidefsky <[email protected]>

[patch 6/24] s390: BUG() warnings.

Use __builtin_trap instead of an inline assembly in the BUG() macro.
That way the compiler knows that BUG() won't return.

Signed-off-by: Martin Schwidefsky <[email protected]>
---

include/asm-s390/bug.h | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff -urpN linux-2.6/include/asm-s390/bug.h linux-2.6-patched/include/asm-s390/bug.h
--- linux-2.6/include/asm-s390/bug.h 2006-03-20 06:53:29.000000000 +0100
+++ linux-2.6-patched/include/asm-s390/bug.h 2006-03-22 14:36:15.000000000 +0100
@@ -4,9 +4,10 @@
#include <linux/kernel.h>

#ifdef CONFIG_BUG
+
#define BUG() do { \
- printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
- __asm__ __volatile__(".long 0"); \
+ printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+ __builtin_trap(); \
} while (0)

#define HAVE_ARCH_BUG