diff options
Diffstat (limited to 'arch/sparc/include/asm/cmpxchg_32.h')
| -rw-r--r-- | arch/sparc/include/asm/cmpxchg_32.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h index 83ffb83c5397..c73b5a3ab7b9 100644 --- a/arch/sparc/include/asm/cmpxchg_32.h +++ b/arch/sparc/include/asm/cmpxchg_32.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* 32-bit atomic xchg() and cmpxchg() definitions. * * Copyright (C) 1996 David S. Miller (davem@davemloft.net) @@ -62,6 +63,9 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) (unsigned long)_n_, sizeof(*(ptr))); \ }) +u64 __cmpxchg_u64(u64 *ptr, u64 old, u64 new); +#define cmpxchg64(ptr, old, new) __cmpxchg_u64(ptr, old, new) + #include <asm-generic/cmpxchg-local.h> /* |