svn commit: r313141 - head/sys/arm/include

[Andrew Turner]

Author: andrew
Date: Fri Feb  3 10:04:17 2017
New Revision: 313141
URL: https://svnweb.freebsd.org/changeset/base/313141

Log:
  Only define atomic_fcmpset_long in the kernel. We may include
  machine/atomic.h in userspace, however atomic_fcmpset_32 is unimplemented
  there.
  
  Sponsored by:	ABT Systems Ltd

Modified:
  head/sys/arm/include/atomic-v4.h

Modified: head/sys/arm/include/atomic-v4.h
==============================================================================
--- head/sys/arm/include/atomic-v4.h	Fri Feb  3 08:15:23 2017	(r313140)
+++ head/sys/arm/include/atomic-v4.h	Fri Feb  3 10:04:17 2017	(r313141)
@@ -463,6 +463,8 @@ atomic_cmpset_long(volatile u_long *dst,
 	return (atomic_cmpset_32((volatile uint32_t *)dst, old, newe));
 }
 
+#ifdef _KERNEL
+/* atomic_fcmpset_32 is only defined for the kernel */
 static __inline u_long
 atomic_fcmpset_long(volatile u_long *dst, u_long *old, u_long newe)
 {
@@ -470,6 +472,7 @@ atomic_fcmpset_long(volatile u_long *dst
 	return (atomic_fcmpset_32((volatile uint32_t *)dst,
 	    (uint32_t *)old, newe));
 }
+#endif
 
 static __inline u_long
 atomic_fetchadd_long(volatile u_long *p, u_long v)