Commit b9b2c455 authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

bug: Allow architectures to provide __WARN_printf() 



In addition to providing __WARN_FLAGS(), allow an architecture to also
provide __WARN_printf().

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251110115757.807154591@infradead.org
parent 3fd45b87

include/asm-generic/bug.h

+22 −15
Original line number Diff line number Diff line
@@ -100,23 +100,9 @@ void warn_slowpath_fmt(const char *file, const int line, unsigned taint, 
		       const char *fmt, ...);

extern __printf(1, 2) void __warn_printk(const char *fmt, ...);



#ifndef __WARN_FLAGS

#define __WARN()		__WARN_printf(TAINT_WARN, NULL)

#define __WARN_printf(taint, arg...) do {				\

		instrumentation_begin();				\

		warn_slowpath_fmt(__FILE__, __LINE__, taint, arg);	\

		instrumentation_end();					\

	} while (0)

#else

#ifdef __WARN_FLAGS

#define __WARN()		__WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))



#define __WARN_printf(taint, arg...) do {				\

		instrumentation_begin();				\

		__warn_printk(arg);					\

		__WARN_FLAGS("", BUGFLAG_NO_CUT_HERE | BUGFLAG_TAINT(taint));\

		instrumentation_end();					\

	} while (0)



#ifndef WARN_ON

#define WARN_ON(condition) ({						\

	int __ret_warn_on = !!(condition);				\
@@ -139,6 +125,27 @@ extern __printf(1, 2) void __warn_printk(const char *fmt, ...); 
#endif

#endif /* __WARN_FLAGS */



#if defined(__WARN_FLAGS) && !defined(__WARN_printf)

#define __WARN_printf(taint, arg...) do {				\

		instrumentation_begin();				\

		__warn_printk(arg);					\

		__WARN_FLAGS("", BUGFLAG_NO_CUT_HERE | BUGFLAG_TAINT(taint));\

		instrumentation_end();					\

	} while (0)

#endif



#ifndef __WARN_printf

#define __WARN_printf(taint, arg...) do {				\

		instrumentation_begin();				\

		warn_slowpath_fmt(__FILE__, __LINE__, taint, arg);	\

		instrumentation_end();					\

	} while (0)

#endif



#ifndef __WARN

#define __WARN()		__WARN_printf(TAINT_WARN, NULL)

#endif



/* used internally by panic.c */



#ifndef WARN_ON