mirror of
https://github.com/torvalds/linux.git
synced 2024-12-04 18:13:04 +00:00
fd0cbdd378
Fixes WARN_ON() on bitfiels ops for all architectures that have
been left out in 8d4fbcfbe0.
Cc: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Kyle McMartin <kyle@parisc-linux.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
#ifndef _ASM_S390_BUG_H
|
|
#define _ASM_S390_BUG_H
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#ifdef CONFIG_BUG
|
|
|
|
#ifdef CONFIG_64BIT
|
|
#define S390_LONG ".quad"
|
|
#else
|
|
#define S390_LONG ".long"
|
|
#endif
|
|
|
|
#ifdef CONFIG_DEBUG_BUGVERBOSE
|
|
|
|
#define __EMIT_BUG(x) do { \
|
|
asm volatile( \
|
|
"0: j 0b+2\n" \
|
|
"1:\n" \
|
|
".section .rodata.str,\"aMS\",@progbits,1\n" \
|
|
"2: .asciz \""__FILE__"\"\n" \
|
|
".previous\n" \
|
|
".section __bug_table,\"a\"\n" \
|
|
"3:\t" S390_LONG "\t1b,2b\n" \
|
|
" .short %0,%1\n" \
|
|
" .org 3b+%2\n" \
|
|
".previous\n" \
|
|
: : "i" (__LINE__), \
|
|
"i" (x), \
|
|
"i" (sizeof(struct bug_entry))); \
|
|
} while (0)
|
|
|
|
#else /* CONFIG_DEBUG_BUGVERBOSE */
|
|
|
|
#define __EMIT_BUG(x) do { \
|
|
asm volatile( \
|
|
"0: j 0b+2\n" \
|
|
"1:\n" \
|
|
".section __bug_table,\"a\"\n" \
|
|
"2:\t" S390_LONG "\t1b\n" \
|
|
" .short %0\n" \
|
|
" .org 2b+%1\n" \
|
|
".previous\n" \
|
|
: : "i" (x), \
|
|
"i" (sizeof(struct bug_entry))); \
|
|
} while (0)
|
|
|
|
#endif /* CONFIG_DEBUG_BUGVERBOSE */
|
|
|
|
#define BUG() __EMIT_BUG(0)
|
|
|
|
#define WARN_ON(x) ({ \
|
|
int __ret_warn_on = !!(x); \
|
|
if (__builtin_constant_p(__ret_warn_on)) { \
|
|
if (__ret_warn_on) \
|
|
__EMIT_BUG(BUGFLAG_WARNING); \
|
|
} else { \
|
|
if (unlikely(__ret_warn_on)) \
|
|
__EMIT_BUG(BUGFLAG_WARNING); \
|
|
} \
|
|
unlikely(__ret_warn_on); \
|
|
})
|
|
|
|
#define HAVE_ARCH_BUG
|
|
#define HAVE_ARCH_WARN_ON
|
|
#endif /* CONFIG_BUG */
|
|
|
|
#include <asm-generic/bug.h>
|
|
|
|
#endif /* _ASM_S390_BUG_H */
|