| commit | 8a87411b649c6082aebea613e84dcb3f174f72fb | [log] [tgz] |
|---|---|---|
| author | Will Deacon <will.deacon@arm.com> | Fri May 02 17:06:19 2014 +0100 |
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | Fri May 30 01:12:25 2014 +0100 |
| tree | 28495f7a7994a61dca067b9d7fa1e8f2eb6e314c | |
| parent | 03eff46ce31dbb186fea3eb2016e1c41f000db7e [diff] |
ARM: 8047/1: rwsem: use asm-generic rwsem implementation asm-generic offers an atomic-add based rwsem implementation, which can avoid the need for heavier, spinlock-based synchronisation on the fast path. This patch makes use of the optimised implementation for ARM CPUs. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>