Date: Sat, 23 May 2009 03:08:37 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r192620 - user/kmacy/releng_7_2_fcs/sys/dev/hwpmc Message-ID: <200905230308.n4N38bOC027153@svn.freebsd.org>
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Author: kmacy Date: Sat May 23 03:08:36 2009 New Revision: 192620 URL: http://svn.freebsd.org/changeset/base/192620 Log: fix locking in loggiing loop 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 02:48:15 2009 (r192619) +++ user/kmacy/releng_7_2_fcs/sys/dev/hwpmc/hwpmc_logging.c Sat May 23 03:08:36 2009 (r192620) @@ -266,10 +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); @@ -335,7 +333,7 @@ pmclog_loop(void *arg) mtx_lock_spin(&pmc_bufferlist_mtx); TAILQ_INSERT_HEAD(&pmc_bufferlist, lb, plb_next); - + mtx_unlock_spin(&pmc_bufferlist_mtx); lb = NULL; } mtx_lock_spin(&po->po_mtx);
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