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| author | Steve French <sfrench@us.ibm.com> | 2008-02-15 22:06:08 +0100 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-02-15 22:06:08 +0100 |
| commit | 0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41 (patch) | |
| tree | b80b1d344ec24cad28b057ef803cebac9434be01 /include/asm-mips/cmpxchg.h | |
| parent | [CIFS] factoring out common code in get_inode_info functions (diff) | |
| parent | Linux 2.6.25-rc2 (diff) | |
| download | linux-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.tar.xz linux-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-mips/cmpxchg.h')
| -rw-r--r-- | include/asm-mips/cmpxchg.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-mips/cmpxchg.h b/include/asm-mips/cmpxchg.h index a5ec0e5dc5b8..4a812c3ceb90 100644 --- a/include/asm-mips/cmpxchg.h +++ b/include/asm-mips/cmpxchg.h @@ -104,4 +104,21 @@ extern void __cmpxchg_called_with_bad_pointer(void); #define cmpxchg(ptr, old, new) __cmpxchg(ptr, old, new, smp_llsc_mb()) #define cmpxchg_local(ptr, old, new) __cmpxchg(ptr, old, new, ) +#define cmpxchg64(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg((ptr), (o), (n)); \ + }) + +#ifdef CONFIG_64BIT +#define cmpxchg64_local(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg_local((ptr), (o), (n)); \ + }) +#else +#include <asm-generic/cmpxchg-local.h> +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) +#endif + #endif /* __ASM_CMPXCHG_H */ |