Date: Mon, 30 Mar 2020 14:23:08 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r359437 - head/sys/dev/hwpmc Message-ID: <202003301423.02UEN8CH060045@repo.freebsd.org>
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Author: markj Date: Mon Mar 30 14:23:08 2020 New Revision: 359437 URL: https://svnweb.freebsd.org/changeset/base/359437 Log: Fix accounting of hwpmc's thread descriptor freelist. MFC after: 1 week Sponsored by: The FreeBSD Foundation Modified: head/sys/dev/hwpmc/hwpmc_mod.c Modified: head/sys/dev/hwpmc/hwpmc_mod.c ============================================================================== --- head/sys/dev/hwpmc/hwpmc_mod.c Mon Mar 30 14:22:52 2020 (r359436) +++ head/sys/dev/hwpmc/hwpmc_mod.c Mon Mar 30 14:23:08 2020 (r359437) @@ -2428,12 +2428,13 @@ pmc_thread_descriptor_pool_free_task(void *arg __unuse int delta; LIST_INIT(&tmplist); + /* Determine what changes, if any, we need to make. */ mtx_lock_spin(&pmc_threadfreelist_mtx); delta = pmc_threadfreelist_entries - pmc_threadfreelist_max; - while (delta > 0 && - (pt = LIST_FIRST(&pmc_threadfreelist)) != NULL) { + while (delta > 0 && (pt = LIST_FIRST(&pmc_threadfreelist)) != NULL) { delta--; + pmc_threadfreelist_entries--; LIST_REMOVE(pt, pt_next); LIST_INSERT_HEAD(&tmplist, pt, pt_next); }
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