| commit | 8a87411b649c6082aebea613e84dcb3f174f72fb | |
| author | Will Deacon <will.deacon@arm.com> | |
| Fri, 2 May 2014 16:06:19 +0000 (2 17:06 +0100) | ||
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | |
| Fri, 30 May 2014 00:12:25 +0000 (30 01:12 +0100) | ||
| tree | 28495f7a7994a61dca067b9d7fa1e8f2eb6e314c | treesnapshot (tar.gz zip) |
| parent | 03eff46ce31dbb186fea3eb2016e1c41f000db7e | commitdiff |
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>
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>
| arch/arm/Kconfig | diffblobblamehistory | |
| arch/arm/include/asm/Kbuild | diffblobblamehistory |