tree 0f9de2c0666d298a054f2a256da3029f97369d16
parent 8f4f202b335144bf5be5c9e5b1bc9477ecdae958
author Luca Barbieri <luca@luca-barbieri.com> 1267183361 +0100
committer H. Peter Anvin <hpa@zytor.com> 1267472322 -0800

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>