From patchwork Mon Aug 1 06:38:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xuan Zhuo X-Patchwork-Id: 12933474 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DDDB5C19F2C for ; Mon, 1 Aug 2022 06:39:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233603AbiHAGjV (ORCPT ); Mon, 1 Aug 2022 02:39:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233533AbiHAGjR (ORCPT ); Mon, 1 Aug 2022 02:39:17 -0400 Received: from out30-42.freemail.mail.aliyun.com (out30-42.freemail.mail.aliyun.com [115.124.30.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC75613DD4; Sun, 31 Jul 2022 23:39:15 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045168;MF=xuanzhuo@linux.alibaba.com;NM=1;PH=DS;RN=37;SR=0;TI=SMTPD_---0VL1e7Wx_1659335948; Received: from localhost(mailfrom:xuanzhuo@linux.alibaba.com fp:SMTPD_---0VL1e7Wx_1659335948) by smtp.aliyun-inc.com; Mon, 01 Aug 2022 14:39:09 +0800 From: Xuan Zhuo To: virtualization@lists.linux-foundation.org Cc: Richard Weinberger , Anton Ivanov , Johannes Berg , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Hans de Goede , Mark Gross , Vadim Pasternak , Bjorn Andersson , Mathieu Poirier , Cornelia Huck , Halil Pasic , Eric Farman , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Xuan Zhuo , Vincent Whitchurch , linux-um@lists.infradead.org, netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, bpf@vger.kernel.org, kangjie.xu@linux.alibaba.com Subject: [PATCH v14 03/42] virtio_ring: update the document of the virtqueue_detach_unused_buf for queue reset Date: Mon, 1 Aug 2022 14:38:23 +0800 Message-Id: <20220801063902.129329-4-xuanzhuo@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220801063902.129329-1-xuanzhuo@linux.alibaba.com> References: <20220801063902.129329-1-xuanzhuo@linux.alibaba.com> MIME-Version: 1.0 X-Git-Hash: 0f12e405b061 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Added documentation for virtqueue_detach_unused_buf, allowing it to be called on queue reset. Signed-off-by: Xuan Zhuo Acked-by: Jason Wang --- drivers/virtio/virtio_ring.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index a5ec724c01d8..17024389b62c 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -2130,8 +2130,8 @@ EXPORT_SYMBOL_GPL(virtqueue_enable_cb_delayed); * @_vq: the struct virtqueue we're talking about. * * Returns NULL or the "data" token handed to virtqueue_add_*(). - * This is not valid on an active queue; it is useful only for device - * shutdown. + * This is not valid on an active queue; it is useful for device + * shutdown or the reset queue. */ void *virtqueue_detach_unused_buf(struct virtqueue *_vq) {