| commit | c209f79940ac0c75ae8d2f503a2b9d86255e266c | [log] [tgz] |
|---|---|---|
| author | Will Deacon <will.deacon@arm.com> | Fri Mar 14 17:47:05 2014 +0000 |
| committer | Catalin Marinas <catalin.marinas@arm.com> | Fri Mar 14 18:02:09 2014 +0000 |
| tree | 206ccdfb1d2afcaffc1e662fc6e487cd6a26a597 | |
| parent | e172800e5d3162f97d332b3745e3743ce150ec48 [diff] |
arm64: 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 arm64 CPUs. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>