diff options
| author | Will Deacon <will.deacon@arm.com> | 2014-03-14 17:47:05 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2014-03-14 18:02:09 +0000 |
| commit | c209f79940ac0c75ae8d2f503a2b9d86255e266c (patch) | |
| tree | 206ccdfb1d2afcaffc1e662fc6e487cd6a26a597 /arch/arm64/include | |
| 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>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/Kbuild | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index 71c53ecfcc3..41cde70943f 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -29,6 +29,7 @@ generic-y += pci.h generic-y += poll.h generic-y += posix_types.h generic-y += resource.h +generic-y += rwsem.h generic-y += scatterlist.h generic-y += sections.h generic-y += segment.h |