svn commit: r247879 - stable/8/sys/amd64/amd64

Andriy Gapon avg at FreeBSD.org
Wed Mar 6 09:33:17 UTC 2013


Author: avg
Date: Wed Mar  6 09:33:16 2013
New Revision: 247879
URL: http://svnweb.freebsd.org/changeset/base/247879

Log:
  MFC r246248: cpususpend_handler: mark AP as resumed only after fully
  setting up lapic

Modified:
  stable/8/sys/amd64/amd64/mp_machdep.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/   (props changed)

Modified: stable/8/sys/amd64/amd64/mp_machdep.c
==============================================================================
--- stable/8/sys/amd64/amd64/mp_machdep.c	Wed Mar  6 09:33:04 2013	(r247878)
+++ stable/8/sys/amd64/amd64/mp_machdep.c	Wed Mar  6 09:33:16 2013	(r247879)
@@ -1365,13 +1365,14 @@ cpususpend_handler(void)
 	while (!(started_cpus & cpumask))
 		ia32_pause();
 
-	atomic_clear_int(&started_cpus, cpumask);
-	atomic_clear_int(&stopped_cpus, cpumask);
-
 	/* Restore CR3 and enable interrupts */
 	load_cr3(cr3);
 	mca_resume();
 	lapic_setup(0);
+
+	atomic_clear_int(&started_cpus, cpumask);
+	atomic_clear_int(&stopped_cpus, cpumask);
+
 	intr_restore(rf);
 }
 


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