Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
bug: Implement WARN_ON() using __WARN_FLAGS()
This completes 3bc3c9c3ab6d ("bugs/core: Pass down the condition
string of WARN_ON_ONCE(cond) warnings to __WARN_FLAGS()") and makes
WARN_ON() and WARN_ON_ONCE() behaviour consistent.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251110115757.690999560@infradead.org
+21
-7
+21
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include/asm-generic/bug.h
+21
-7
include/asm-generic/bug.h
···
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} while (0)
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#else
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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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#define WARN_ON_ONCE(condition) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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__WARN_FLAGS("["#condition"] ", \
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BUGFLAG_ONCE | \
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BUGFLAG_TAINT(TAINT_WARN)); \
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unlikely(__ret_warn_on); \
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#ifndef WARN_ON
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#define WARN_ON(condition) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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__WARN_FLAGS("["#condition"] ", \
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BUGFLAG_TAINT(TAINT_WARN)); \
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unlikely(__ret_warn_on); \
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})
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#endif
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#ifndef WARN_ON_ONCE
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#define WARN_ON_ONCE(condition) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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__WARN_FLAGS("["#condition"] ", \
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BUGFLAG_ONCE | \
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BUGFLAG_TAINT(TAINT_WARN)); \
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unlikely(__ret_warn_on); \
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})
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#endif
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#endif /* __WARN_FLAGS */
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/* used internally by panic.c */
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