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From: Ed Schouten <ed@FreeBSD.org>
Date: Sat, 15 Jun 2013 08:21:54 +0000 (UTC)
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Subject: svn commit: r251782 - head/sys/sparc64/sparc64
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Author: ed
Date: Sat Jun 15 08:21:54 2013
New Revision: 251782
URL: http://svnweb.freebsd.org/changeset/base/251782

Log:
  Stick to using the documented atomic(9) API.
  
  The atomic_store_ptr() function is not part of the atomic(9) API. We
  only provide a version with a release barrier.

Modified:
  head/sys/sparc64/sparc64/pmap.c

Modified: head/sys/sparc64/sparc64/pmap.c
==============================================================================
--- head/sys/sparc64/sparc64/pmap.c	Sat Jun 15 08:15:22 2013	(r251781)
+++ head/sys/sparc64/sparc64/pmap.c	Sat Jun 15 08:21:54 2013	(r251782)
@@ -2246,7 +2246,7 @@ pmap_activate(struct thread *td)
 	pm->pm_context[curcpu] = context;
 #ifdef SMP
 	CPU_SET_ATOMIC(PCPU_GET(cpuid), &pm->pm_active);
-	atomic_store_ptr((uintptr_t *)PCPU_PTR(pmap), (uintptr_t)pm);
+	atomic_store_rel_ptr((uintptr_t *)PCPU_PTR(pmap), (uintptr_t)pm);
 #else
 	CPU_SET(PCPU_GET(cpuid), &pm->pm_active);
 	PCPU_SET(pmap, pm);