From 8a87411b649c6082aebea613e84dcb3f174f72fb Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Fri, 2 May 2014 17:06:19 +0100 Subject: 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 Signed-off-by: Russell King --- arch/arm/Kconfig | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'arch/arm/Kconfig') diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 58506175a3ea..ce64b7f66328 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -165,12 +165,9 @@ config TRACE_IRQFLAGS_SUPPORT bool default y -config RWSEM_GENERIC_SPINLOCK - bool - default y - config RWSEM_XCHGADD_ALGORITHM bool + default y config ARCH_HAS_ILOG2_U32 bool -- cgit v1.2.3