linux/arch/arm64
Will Deacon c209f79940 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>
2014-03-14 18:02:09 +00:00
..
boot arm64: dts: Reduce size of virtio block device for foundation model 2013-12-20 16:20:21 +00:00
configs arm64: defconfig: Expand default enabled features 2014-02-07 17:17:28 +00:00
include arm64: rwsem: use asm-generic rwsem implementation 2014-03-14 18:02:09 +00:00
kernel arm64: smp: make local symbol static 2014-03-13 11:22:41 +00:00
kvm arm64: Add boot time configuration of Intermediate Physical Address size 2014-03-13 11:22:36 +00:00
lib arm64: atomics: fix use of acquire + release for full barrier semantics 2014-02-07 16:45:43 +00:00
mm arm64: Add boot time configuration of Intermediate Physical Address size 2014-03-13 11:22:36 +00:00
xen xen/arm,arm64: enable SWIOTLB_XEN 2013-10-10 13:40:44 +00:00
Kconfig arm64: rwsem: use asm-generic rwsem implementation 2014-03-14 18:02:09 +00:00
Kconfig.debug arm64: Remove duplicate DEBUG_STACK_USAGE config 2013-10-02 18:03:26 +01:00
Makefile arm64: big-endian: add big-endian support to top-level arch Makefile 2013-10-25 15:59:31 +01:00