From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09E12C7112A for ; Sun, 14 Oct 2018 16:02:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CC57C2077C for ; Sun, 14 Oct 2018 16:02:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CC57C2077C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=decadent.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729927AbeJNXoY (ORCPT ); Sun, 14 Oct 2018 19:44:24 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:35724 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727148AbeJNXLp (ORCPT ); Sun, 14 Oct 2018 19:11:45 -0400 Received: from [2a02:8011:400e:2:cbab:f00:c93f:614] (helo=deadeye) by shadbolt.decadent.org.uk with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1gBiLY-0004cg-NH; Sun, 14 Oct 2018 16:30:24 +0100 Received: from ben by deadeye with local (Exim 4.91) (envelope-from ) id 1gBiLV-0000Sm-KP; Sun, 14 Oct 2018 16:30:21 +0100 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Michael S. Tsirkin" Date: Sun, 14 Oct 2018 16:25:41 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 223/366] virtio: add ability to iterate over vqs In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:cbab:f00:c93f:614 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.60-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: "Michael S. Tsirkin" commit 24a7e4d20783c0514850f24a5c41ede46ab058f0 upstream. For cleanup it's helpful to be able to simply scan all vqs and discard all data. Add an iterator to do that. Signed-off-by: Michael S. Tsirkin Signed-off-by: Ben Hutchings --- include/linux/virtio.h | 3 +++ 1 file changed, 3 insertions(+) --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -108,6 +108,9 @@ void unregister_virtio_device(struct vir void virtio_break_device(struct virtio_device *dev); +#define virtio_device_for_each_vq(vdev, vq) \ + list_for_each_entry(vq, &vdev->vqs, list) + /** * virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner).