On 5/18/2017 9:31 PM, David Miller wrote:

From: Babu Moger <redacted>
Date: Thu, 18 May 2017 18:36:08 -0600

quoted

@@ -82,6 +82,7 @@ config SPARC64
  	select HAVE_ARCH_AUDITSYSCALL
  	select ARCH_SUPPORTS_ATOMIC_RMW
  	select HAVE_NMI
+	select ARCH_USE_QUEUED_RWLOCKS
  

If you are selecting this on SPARC64 all the time, then:

quoted

@@ -94,6 +94,7 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla
  	: "memory");
  }
  
+#ifndef CONFIG_QUEUED_RWLOCKS
  /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */

You can remove this segment of ifdef'd code altogether since it is in
a sparc64 specific header file.

Sure. will do.