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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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b246a9d267
The definition of WARN_ON being used by the radix tree test suite was deficient in two ways: it did not provide a return value, and it stopped execution instead of continuing. This version of WARN_ON tells you which file & line the assertion was triggered in. Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
#ifndef _TOOLS_ASM_BUG_H
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#define _TOOLS_ASM_BUG_H
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#include <linux/compiler.h>
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#define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0)
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#define WARN(condition, format...) ({ \
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int __ret_warn_on = !!(condition); \
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if (unlikely(__ret_warn_on)) \
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__WARN_printf(format); \
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unlikely(__ret_warn_on); \
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})
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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_printf("assertion failed at %s:%d\n", \
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__FILE__, __LINE__); \
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unlikely(__ret_warn_on); \
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})
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#define WARN_ON_ONCE(condition) ({ \
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static int __warned; \
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int __ret_warn_once = !!(condition); \
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\
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if (unlikely(__ret_warn_once && !__warned)) { \
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__warned = true; \
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WARN_ON(1); \
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} \
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unlikely(__ret_warn_once); \
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})
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#define WARN_ONCE(condition, format...) ({ \
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static int __warned; \
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int __ret_warn_once = !!(condition); \
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\
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if (unlikely(__ret_warn_once)) \
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if (WARN(!__warned, format)) \
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__warned = 1; \
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unlikely(__ret_warn_once); \
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})
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#endif /* _TOOLS_ASM_BUG_H */
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