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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 19 Oct 2008 20:14:49 +0000 (UTC)
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Subject: svn commit: r184062 - head/sys/ia64/ia64
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Author: marcel
Date: Sun Oct 19 20:14:48 2008
New Revision: 184062
URL: http://svn.freebsd.org/changeset/base/184062

Log:
  Atomically increment the number of awoken APs as all APs will
  be unleashed here.
  
  Pointed out by: christian.kandeler@hob.de

Modified:
  head/sys/ia64/ia64/mp_machdep.c

Modified: head/sys/ia64/ia64/mp_machdep.c
==============================================================================
--- head/sys/ia64/ia64/mp_machdep.c	Sun Oct 19 17:19:42 2008	(r184061)
+++ head/sys/ia64/ia64/mp_machdep.c	Sun Oct 19 20:14:48 2008	(r184062)
@@ -125,7 +125,7 @@ ia64_ap_startup(void)
 	ia64_mca_save_state(SAL_INFO_MCA);
 	ia64_mca_save_state(SAL_INFO_CMC);
 
-	ap_awake++;
+	atomic_add_int(&ap_awake, 1);
 	while (!smp_started)
 		cpu_spinwait();