From owner-svn-src-stable@freebsd.org Sun Mar 4 19:15:25 2018 Return-Path: Delivered-To: svn-src-stable@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 723C7F2A1CC; Sun, 4 Mar 2018 19:15:25 +0000 (UTC) (envelope-from hselasky@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 273F86AA93; Sun, 4 Mar 2018 19:15:25 +0000 (UTC) (envelope-from hselasky@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 1DC12197D9; Sun, 4 Mar 2018 19:15:25 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w24JFOwu018278; Sun, 4 Mar 2018 19:15:24 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w24JFOMH018277; Sun, 4 Mar 2018 19:15:24 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201803041915.w24JFOMH018277@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Sun, 4 Mar 2018 19:15:24 +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: r330401 - stable/11/sys/compat/linuxkpi/common/src X-SVN-Group: stable-11 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/11/sys/compat/linuxkpi/common/src X-SVN-Commit-Revision: 330401 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@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Mar 2018 19:15:25 -0000 Author: hselasky Date: Sun Mar 4 19:15:24 2018 New Revision: 330401 URL: https://svnweb.freebsd.org/changeset/base/330401 Log: MFC r330236: Correct the return value from flush_work() and flush_delayed_work() in the LinuxKPI to comply more with Linux. This fixes an issue when these functions are used in waiting loops. Sponsored by: Mellanox Technologies Modified: stable/11/sys/compat/linuxkpi/common/src/linux_work.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/compat/linuxkpi/common/src/linux_work.c ============================================================================== --- stable/11/sys/compat/linuxkpi/common/src/linux_work.c Sun Mar 4 19:12:54 2018 (r330400) +++ stable/11/sys/compat/linuxkpi/common/src/linux_work.c Sun Mar 4 19:15:24 2018 (r330401) @@ -454,6 +454,7 @@ bool linux_flush_work(struct work_struct *work) { struct taskqueue *tq; + int retval; WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, "linux_flush_work() might sleep"); @@ -463,8 +464,9 @@ linux_flush_work(struct work_struct *work) return (0); default: tq = work->work_queue->taskqueue; + retval = taskqueue_poll_is_busy(tq, &work->work_task); taskqueue_drain(tq, &work->work_task); - return (1); + return (retval); } } @@ -477,6 +479,7 @@ bool linux_flush_delayed_work(struct delayed_work *dwork) { struct taskqueue *tq; + int retval; WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL, "linux_flush_delayed_work() might sleep"); @@ -490,8 +493,9 @@ linux_flush_delayed_work(struct delayed_work *dwork) /* FALLTHROUGH */ default: tq = dwork->work.work_queue->taskqueue; + retval = taskqueue_poll_is_busy(tq, &dwork->work.work_task); taskqueue_drain(tq, &dwork->work.work_task); - return (1); + return (retval); } }