diff options
| author | Luca Barbieri <luca@luca-barbieri.com> | 2010-02-26 12:22:41 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-03-01 20:38:42 +0100 |
| commit | d7f6de1e9c4a12e11ba7186c70f0f40caa76f590 (patch) | |
| tree | 0f9de2c0666d298a054f2a256da3029f97369d16 /lib | |
| parent | lib: Only test atomic64_dec_if_positive on archs having it (diff) | |
| download | linux-d7f6de1e9c4a12e11ba7186c70f0f40caa76f590.tar.xz linux-d7f6de1e9c4a12e11ba7186c70f0f40caa76f590.zip | |
x86: Implement atomic[64]_dec_if_positive()
Add support for atomic_dec_if_positive(), and
atomic64_dec_if_positive() for x86-64.
atomic64_dec_if_positive() for x86-32 was already implemented in a previous patch.
Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
LKML-Reference: <1267183361-20775-2-git-send-email-luca@luca-barbieri.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/atomic64_test.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c index 0effcacbebda..58efdabb3845 100644 --- a/lib/atomic64_test.c +++ b/lib/atomic64_test.c @@ -112,7 +112,7 @@ static __init int test_atomic64(void) r += one; BUG_ON(v.counter != r); -#if defined(CONFIG_X86_32) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(_ASM_GENERIC_ATOMIC64_H) +#if defined(CONFIG_X86) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(_ASM_GENERIC_ATOMIC64_H) INIT(onestwos); BUG_ON(atomic64_dec_if_positive(&v) != (onestwos - 1)); r -= one; |