Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
bug: Allow architectures to provide __WARN_printf()
In addition to providing __WARN_FLAGS(), allow an architecture to also
provide __WARN_printf().
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251110115757.807154591@infradead.org
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include/asm-generic/bug.h
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include/asm-generic/bug.h
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const char *fmt, ...);
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extern __printf(1, 2) void __warn_printk(const char *fmt, ...);
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#ifndef __WARN_FLAGS
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#define __WARN() __WARN_printf(TAINT_WARN, NULL)
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#define __WARN_printf(taint, arg...) do { \
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instrumentation_begin(); \
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warn_slowpath_fmt(__FILE__, __LINE__, taint, arg); \
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instrumentation_end(); \
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} while (0)
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#else
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#ifdef __WARN_FLAGS
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#define __WARN() __WARN_FLAGS("", BUGFLAG_TAINT(TAINT_WARN))
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#define __WARN_printf(taint, arg...) do { \
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instrumentation_begin(); \
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__warn_printk(arg); \
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__WARN_FLAGS("", BUGFLAG_NO_CUT_HERE | BUGFLAG_TAINT(taint));\
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instrumentation_end(); \
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} while (0)
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#ifndef WARN_ON
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#define WARN_ON(condition) ({ \
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})
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#endif
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#endif /* __WARN_FLAGS */
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#if defined(__WARN_FLAGS) && !defined(__WARN_printf)
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#define __WARN_printf(taint, arg...) do { \
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instrumentation_begin(); \
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__warn_printk(arg); \
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__WARN_FLAGS("", BUGFLAG_NO_CUT_HERE | BUGFLAG_TAINT(taint));\
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instrumentation_end(); \
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} while (0)
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#endif
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#ifndef __WARN_printf
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#define __WARN_printf(taint, arg...) do { \
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instrumentation_begin(); \
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warn_slowpath_fmt(__FILE__, __LINE__, taint, arg); \
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instrumentation_end(); \
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} while (0)
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#endif
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#ifndef __WARN
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#define __WARN() __WARN_printf(TAINT_WARN, NULL)
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#endif
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/* used internally by panic.c */
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