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ed845c363d
Besides an odd __builtin_constant_p() optimization the s390 specific WARN_ON() implementation is identical to the generic variant. Drop the s390 variant in favor of the generic variant. Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> # Rebased ancestor commits Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com> Link: https://lore.kernel.org/r/20250617135042.1878068-2-hca@linux.ibm.com
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_S390_BUG_H
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#define _ASM_S390_BUG_H
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#include <linux/stringify.h>
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#ifndef CONFIG_DEBUG_BUGVERBOSE
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#define _BUGVERBOSE_LOCATION(file, line)
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#else
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#define __BUGVERBOSE_LOCATION(file, line) \
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.pushsection .rodata.str, "aMS", @progbits, 1; \
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10002: .ascii file "\0"; \
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.popsection; \
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\
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.long 10002b - .; \
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.short line;
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#define _BUGVERBOSE_LOCATION(file, line) __BUGVERBOSE_LOCATION(file, line)
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#endif
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#ifndef CONFIG_GENERIC_BUG
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#define __BUG_ENTRY(cond_str, flags)
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#else
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#define __BUG_ENTRY(cond_str, flags) \
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.pushsection __bug_table, "aw"; \
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.align 4; \
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10000: .long 10001f - .; \
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_BUGVERBOSE_LOCATION(WARN_CONDITION_STR(cond_str) __FILE__, __LINE__) \
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.short flags; \
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.popsection; \
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10001:
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#endif
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#define ASM_BUG_FLAGS(cond_str, flags) \
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__BUG_ENTRY(cond_str, flags) \
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mc 0,0
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#define ASM_BUG() ASM_BUG_FLAGS("", 0)
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#define __BUG_FLAGS(cond_str, flags) \
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asm_inline volatile(__stringify(ASM_BUG_FLAGS(cond_str, flags)));
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#define __WARN_FLAGS(cond_str, flags) \
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do { \
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__BUG_FLAGS(cond_str, BUGFLAG_WARNING|(flags)); \
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} while (0)
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#define BUG() \
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do { \
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__BUG_FLAGS("", 0); \
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unreachable(); \
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} while (0)
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#define HAVE_ARCH_BUG
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#include <asm-generic/bug.h>
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#endif /* _ASM_S390_BUG_H */
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