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d7f6de1e9c4a12e11ba7186c70f0f40caa76f590
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3 Commits

Author SHA1 Message Date
Luca Barbieri
d7f6de1e9c 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>
 2010-03-01 11:38:42 -08:00
Luca Barbieri
8f4f202b33 lib: Only test atomic64_dec_if_positive on archs having it 
Currently atomic64_dec_if_positive() is only supported by PowerPC,
MIPS and x86-32.

Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
LKML-Reference: <1267183361-20775-1-git-send-email-luca@luca-barbieri.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
 2010-03-01 11:37:55 -08:00
Luca Barbieri
86a8938078 lib: Add self-test for atomic64_t 
This patch adds self-test on boot code for atomic64_t.

This has been used to test the later changes in this patchset.

Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
LKML-Reference: <1267005265-27958-4-git-send-email-luca@luca-barbieri.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
 2010-02-25 20:47:12 -08:00