From owner-svn-src-head@freebsd.org Mon Mar 30 14:30:42 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 51EF92A4F0A; Mon, 30 Mar 2020 14:30:42 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48rZcv64JNz4WP2; Mon, 30 Mar 2020 14:30:39 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 8F1C31D88B; Mon, 30 Mar 2020 14:23:08 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 02UEN8qC060046; Mon, 30 Mar 2020 14:23:08 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 02UEN8CH060045; Mon, 30 Mar 2020 14:23:08 GMT (envelope-from markj@FreeBSD.org) Message-Id: <202003301423.02UEN8CH060045@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Mon, 30 Mar 2020 14:23:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r359437 - head/sys/dev/hwpmc X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/dev/hwpmc X-SVN-Commit-Revision: 359437 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Mar 2020 14:30:42 -0000 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); }