From owner-svn-src-stable-11@freebsd.org Fri Feb 2 17:56:48 2018 Return-Path: Delivered-To: svn-src-stable-11@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7B592EE699F; Fri, 2 Feb 2018 17:56:48 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2CBEF77230; Fri, 2 Feb 2018 17:56:48 +0000 (UTC) (envelope-from mav@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 23AB11F01E; Fri, 2 Feb 2018 17:56:48 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w12HulnB005539; Fri, 2 Feb 2018 17:56:47 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w12Hul06005538; Fri, 2 Feb 2018 17:56:47 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201802021756.w12Hul06005538@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Fri, 2 Feb 2018 17:56:47 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r328796 - stable/11/sys/kern X-SVN-Group: stable-11 X-SVN-Commit-Author: mav X-SVN-Commit-Paths: stable/11/sys/kern X-SVN-Commit-Revision: 328796 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-11@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for only the 11-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Feb 2018 17:56:48 -0000 Author: mav Date: Fri Feb 2 17:56:47 2018 New Revision: 328796 URL: https://svnweb.freebsd.org/changeset/base/328796 Log: MFC r307041 (by sbruno): Fix bug where malloc(.., M_NOWAIT) return value is not checked, Change to M_WAITOK and move outside the mutex Modified: stable/11/sys/kern/subr_gtaskqueue.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/subr_gtaskqueue.c ============================================================================== --- stable/11/sys/kern/subr_gtaskqueue.c Fri Feb 2 17:52:09 2018 (r328795) +++ stable/11/sys/kern/subr_gtaskqueue.c Fri Feb 2 17:56:47 2018 (r328796) @@ -729,7 +729,7 @@ taskqgroup_bind(struct taskqgroup *qgroup) * one. */ for (i = 0; i < qgroup->tqg_cnt; i++) { - gtask = malloc(sizeof (*gtask), M_DEVBUF, M_NOWAIT); + gtask = malloc(sizeof (*gtask), M_DEVBUF, M_WAITOK); GTASK_INIT(>ask->bt_task, 0, 0, taskqgroup_binder, gtask); gtask->bt_cpuid = qgroup->tqg_queue[i].tgc_cpu; grouptaskqueue_enqueue(qgroup->tqg_queue[i].tgc_taskq, @@ -828,10 +828,10 @@ _taskqgroup_adjust(struct taskqgroup *qgroup, int cnt, for (i = cnt; i < old_cnt; i++) taskqgroup_cpu_remove(qgroup, i); + taskqgroup_bind(qgroup); + mtx_lock(&qgroup->tqg_lock); qgroup->tqg_adjusting = 0; - - taskqgroup_bind(qgroup); return (0); }