From owner-svn-src-head@freebsd.org Tue May 29 18:03:44 2018 Return-Path: Delivered-To: svn-src-head@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 47857EFC260; Tue, 29 May 2018 18:03:44 +0000 (UTC) (envelope-from mmacy@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 F12347712A; Tue, 29 May 2018 18:03:43 +0000 (UTC) (envelope-from mmacy@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 D293D1F665; Tue, 29 May 2018 18:03:43 +0000 (UTC) (envelope-from mmacy@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w4TI3hI9073133; Tue, 29 May 2018 18:03:43 GMT (envelope-from mmacy@FreeBSD.org) Received: (from mmacy@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w4TI3h6i073132; Tue, 29 May 2018 18:03:43 GMT (envelope-from mmacy@FreeBSD.org) Message-Id: <201805291803.w4TI3h6i073132@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mmacy set sender to mmacy@FreeBSD.org using -f From: Matt Macy Date: Tue, 29 May 2018 18:03:43 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r334343 - head/sys/net X-SVN-Group: head X-SVN-Commit-Author: mmacy X-SVN-Commit-Paths: head/sys/net X-SVN-Commit-Revision: 334343 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: 2.1.26 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: Tue, 29 May 2018 18:03:44 -0000 Author: mmacy Date: Tue May 29 18:03:43 2018 New Revision: 334343 URL: https://svnweb.freebsd.org/changeset/base/334343 Log: iflib: hold context lock across detach for drivers that need it Modified: head/sys/net/iflib.c Modified: head/sys/net/iflib.c ============================================================================== --- head/sys/net/iflib.c Tue May 29 17:49:03 2018 (r334342) +++ head/sys/net/iflib.c Tue May 29 18:03:43 2018 (r334343) @@ -4815,8 +4815,6 @@ iflib_device_deregister(if_ctx_t ctx) iflib_netmap_detach(ifp); ether_ifdetach(ifp); - /* ether_ifdetach calls if_qflush - lock must be destroy afterwards*/ - CTX_LOCK_DESTROY(ctx); if (ctx->ifc_led_dev != NULL) led_destroy(ctx->ifc_led_dev); /* XXX drain any dependent tasks */ @@ -4839,8 +4837,12 @@ iflib_device_deregister(if_ctx_t ctx) taskqgroup_detach(tqg, &ctx->ifc_admin_task); if (ctx->ifc_vflr_task.gt_uniq != NULL) taskqgroup_detach(tqg, &ctx->ifc_vflr_task); - + CTX_LOCK(ctx); IFDI_DETACH(ctx); + CTX_UNLOCK(ctx); + + /* ether_ifdetach calls if_qflush - lock must be destroy afterwards*/ + CTX_LOCK_DESTROY(ctx); device_set_softc(ctx->ifc_dev, NULL); if (ctx->ifc_softc_ctx.isc_intr != IFLIB_INTR_LEGACY) { pci_release_msi(dev);