svn commit: r192621 - user/kmacy/releng_7_2_fcs/sys/dev/hwpmc

Kip Macy kmacy at FreeBSD.org
Sat May 23 03:13:39 UTC 2009


Author: kmacy
Date: Sat May 23 03:13:39 2009
New Revision: 192621
URL: http://svn.freebsd.org/changeset/base/192621

Log:
  fix missed continue case

Modified:
  user/kmacy/releng_7_2_fcs/sys/dev/hwpmc/hwpmc_logging.c

Modified: user/kmacy/releng_7_2_fcs/sys/dev/hwpmc/hwpmc_logging.c
==============================================================================
--- user/kmacy/releng_7_2_fcs/sys/dev/hwpmc/hwpmc_logging.c	Sat May 23 03:08:36 2009	(r192620)
+++ user/kmacy/releng_7_2_fcs/sys/dev/hwpmc/hwpmc_logging.c	Sat May 23 03:13:39 2009	(r192621)
@@ -266,8 +266,8 @@ pmclog_loop(void *arg)
 	 * struct's queue.  The loop is exited when the log file
 	 * is deconfigured.
 	 */
+	mtx_lock_spin(&po->po_mtx);
 	for (;;) {
-		mtx_lock_spin(&po->po_mtx);
 		/* check if we've been asked to exit */
 		if ((po->po_flags & PMC_PO_OWNS_LOGFILE) == 0) {
 			mtx_unlock_spin(&po->po_mtx);
@@ -335,6 +335,7 @@ pmclog_loop(void *arg)
 		TAILQ_INSERT_HEAD(&pmc_bufferlist, lb, plb_next);
 		mtx_unlock_spin(&pmc_bufferlist_mtx);
 		lb = NULL;
+		mtx_lock_spin(&po->po_mtx);
 	}
 	mtx_lock_spin(&po->po_mtx);
 	po->po_kthread = NULL;


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