On 5/18/2017 9:32 PM, David Miller wrote:

From: Babu Moger <redacted>
Date: Thu, 18 May 2017 18:36:10 -0600

quoted

@@ -83,6 +83,7 @@ config SPARC64
  	select ARCH_SUPPORTS_ATOMIC_RMW
  	select HAVE_NMI
  	select ARCH_USE_QUEUED_RWLOCKS
+	select ARCH_USE_QUEUED_SPINLOCKS
  
  config ARCH_DEFCONFIG
  	string

Like the queued spinlock enabling patch, if this will be on
all the time for SPARC64 then:

quoted

diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
index 562dbd8..e2044e3 100644
--- a/arch/sparc/include/asm/spinlock_64.h
+++ b/arch/sparc/include/asm/spinlock_64.h

@@ -11,6 +11,9 @@
  #include <asm/processor.h>
  #include <asm/barrier.h>
  
+#ifdef CONFIG_QUEUED_SPINLOCKS
+#include <asm/qspinlock.h>
+#else

This ifdef doesn't make any sense, by definition it will always be on.

Ok. Will do. thanks