From owner-svn-src-stable-12@freebsd.org Mon Feb 3 10:45:10 2020 Return-Path: Delivered-To: svn-src-stable-12@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 41DC424886F; Mon, 3 Feb 2020 10:45:10 +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 TLSv1.3 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 48B4GZ13jDz4MKv; Mon, 3 Feb 2020 10:45:10 +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 1F913275AA; Mon, 3 Feb 2020 10:45:10 +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 013AjAuj047509; Mon, 3 Feb 2020 10:45:10 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 013AjAJA047508; Mon, 3 Feb 2020 10:45:10 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <202002031045.013AjAJA047508@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Mon, 3 Feb 2020 10:45:09 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r357427 - stable/12/sys/ofed/drivers/infiniband/ulp/ipoib X-SVN-Group: stable-12 X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: stable/12/sys/ofed/drivers/infiniband/ulp/ipoib X-SVN-Commit-Revision: 357427 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-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Feb 2020 10:45:10 -0000 Author: hselasky Date: Mon Feb 3 10:45:09 2020 New Revision: 357427 URL: https://svnweb.freebsd.org/changeset/base/357427 Log: MFC r356633: Make sure the VNET is properly set when reaping mbufs in ipoib. Else the following panic may happen: panic() icmp_error() ipoib_cm_mb_reap() linux_work_fn() taskqueue_run_locked() taskqueue_thread_loop() fork_exit() fork_trampoline() Submitted by: Andreas Kempe Sponsored by: Mellanox Technologies Modified: stable/12/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c ============================================================================== --- stable/12/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c Mon Feb 3 05:38:45 2020 (r357426) +++ stable/12/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c Mon Feb 3 10:45:09 2020 (r357427) @@ -1265,6 +1265,8 @@ static void ipoib_cm_mb_reap(struct work_struct *work) spin_lock_irqsave(&priv->lock, flags); + CURVNET_SET_QUIET(priv->dev->if_vnet); + for (;;) { IF_DEQUEUE(&priv->cm.mb_queue, mb); if (mb == NULL) @@ -1290,6 +1292,8 @@ static void ipoib_cm_mb_reap(struct work_struct *work) spin_lock_irqsave(&priv->lock, flags); } + + CURVNET_RESTORE(); spin_unlock_irqrestore(&priv->lock, flags); }