| commit | afa31d8eb86fc2f25083e675d57ac8173a98f999 | [log] [tgz] |
|---|---|---|
| author | Will Deacon <will.deacon@arm.com> | Mon Aug 12 18:03:26 2013 +0100 |
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | Tue Aug 13 20:22:43 2013 +0100 |
| tree | b266adc9aebcda0a7eccd7adbd07a4a5aab3ceee | |
| parent | e35ac62d2202e31307c0f9b278a61e484c4727f2 [diff] |
ARM: 7811/1: locks: use early clobber in arch_spin_trylock The res variable is written before we've finished with the input operands (namely the lock address), so ensure that we mark it as `early clobber' to avoid unintended register sharing. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>