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[S390] bug: implement arch specific __WARN macro

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This one will trap, generates shorter code and emits better debug data
than the generic version.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2010-01-13 20:44:38 +01:00 committed by Martin Schwidefsky
parent fb380aadfe
commit a9df8e325d
1 changed files with 4 additions and 0 deletions
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4
arch/s390/include/asm/bug.h
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@ -52,6 +52,10 @@
unreachable(); \
} while (0)
#define __WARN() do { \
__EMIT_BUG(BUGFLAG_WARNING); \
} while (0)
#define WARN_ON(x) ({ \
int __ret_warn_on = !!(x); \
if (__builtin_constant_p(__ret_warn_on)) { \