From 145d978585977438ebb55079487827006c604e39 Mon Sep 17 00:00:00 2001 From: Babu Moger Date: Wed, 24 May 2017 17:55:15 -0600 Subject: arch/sparc: Enable queued spinlock support for SPARC MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch makes the necessary changes in SPARC architecture to enable queued spinlock support. Here are some of the earlier discussions about this feature. https://lwn.net/Articles/561775/ https://lwn.net/Articles/590243/ Cleaned-up the spinlock_64.h. The definitions of arch_spin_xxx are replaced by the function in 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 0e8065207596..78af684f63b9 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -84,6 +84,7 @@ config SPARC64 select HAVE_NMI select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS + select ARCH_USE_QUEUED_SPINLOCKS config ARCH_DEFCONFIG string -- cgit v1.2.3-70-g09d2