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| author | Will Deacon <will.deacon@arm.com> | 2013-08-12 18:03:26 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-08-13 20:22:43 +0100 |
| commit | afa31d8eb86fc2f25083e675d57ac8173a98f999 (patch) | |
| tree | b266adc9aebcda0a7eccd7adbd07a4a5aab3ceee /Documentation/basic_profiling.txt | |
| parent | e35ac62d2202e31307c0f9b278a61e484c4727f2 (diff) | |
| download | talos-obmc-linux-afa31d8eb86fc2f25083e675d57ac8173a98f999.tar.gz talos-obmc-linux-afa31d8eb86fc2f25083e675d57ac8173a98f999.zip | |
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>
Diffstat (limited to 'Documentation/basic_profiling.txt')
0 files changed, 0 insertions, 0 deletions
