Commit 940cfea4 authored by Heiko Carstens's avatar Heiko Carstens
Browse files

s390/bug: Implement WARN_ONCE() 



This is the s390 variant of commit 11bb4944 ("x86/bug: Implement
WARN_ONCE()").

Reviewed-by: default avatarSven Schnelle <svens@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 04dabb42

arch/s390/include/asm/bug.h

+11 −0
Original line number Diff line number Diff line
@@ -104,6 +104,17 @@ do { \ 
#define __WARN_printf(taint, fmt, arg...) \

	__WARN_print_arg(BUGFLAG_TAINT(taint), fmt, ## arg)



#define WARN_ONCE(cond, format, arg...)					\

({									\

	int __ret_warn_on = !!(cond);					\

									\

	if (unlikely(__ret_warn_on)) {					\

		__WARN_print_arg(BUGFLAG_ONCE|BUGFLAG_TAINT(TAINT_WARN),\

				format, ## arg);			\

	}								\

	__ret_warn_on;							\

})



#define HAVE_ARCH_BUG

#define HAVE_ARCH_BUG_FORMAT

#define HAVE_ARCH_BUG_FORMAT_ARGS