From a37594f198363fd9321ece54440336fd4b2a9c8e Mon Sep 17 00:00:00 2001 From: Babu Moger Date: Wed, 24 May 2017 17:55:13 -0600 Subject: arch/sparc: Enable queued rwlocks for SPARC MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Enable queued rwlocks for SPARC. Here are the discussions on this feature when this was introduced. https://lwn.net/Articles/572765/ https://lwn.net/Articles/582200/ Cleaned-up the arch_read_xxx and arch_write_xxx definitions in spinlock_64.h. These routines are replaced by the functions in include/asm-generic/qrwlock.h Signed-off-by: Babu Moger Reviewed-by: Håkon Bugge Reviewed-by: Jane Chu Reviewed-by: Shannon Nelson Reviewed-by: Vijay Kumar Signed-off-by: David S. Miller --- arch/sparc/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/sparc/Kconfig') diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index eb213b5000c8..0e8065207596 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -83,6 +83,7 @@ config SPARC64 select ARCH_SUPPORTS_ATOMIC_RMW select HAVE_NMI select HAVE_REGS_AND_STACK_ACCESS_API + select ARCH_USE_QUEUED_RWLOCKS config ARCH_DEFCONFIG string -- cgit v1.2.3