From patchwork Fri Jun 24 02:55:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xuan Zhuo X-Patchwork-Id: 12893382 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 4471BCCA48B for ; Fri, 24 Jun 2022 02:56:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231233AbiFXC4o (ORCPT ); Thu, 23 Jun 2022 22:56:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231133AbiFXC4l (ORCPT ); Thu, 23 Jun 2022 22:56:41 -0400 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CC75609D3; Thu, 23 Jun 2022 19:56:37 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R241e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046050;MF=xuanzhuo@linux.alibaba.com;NM=1;PH=DS;RN=37;SR=0;TI=SMTPD_---0VHF16Gr_1656039390; Received: from localhost(mailfrom:xuanzhuo@linux.alibaba.com fp:SMTPD_---0VHF16Gr_1656039390) by smtp.aliyun-inc.com; Fri, 24 Jun 2022 10:56:31 +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 v10 04/41] virtio_ring: update the document of the virtqueue_detach_unused_buf for queue reset Date: Fri, 24 Jun 2022 10:55:44 +0800 Message-Id: <20220624025621.128843-5-xuanzhuo@linux.alibaba.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> References: <20220624025621.128843-1-xuanzhuo@linux.alibaba.com> MIME-Version: 1.0 X-Git-Hash: fef800c86cd2 Precedence: bulk List-ID: X-Mailing-List: netdev@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 68f55336566c..3afa0eed5602 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -2108,8 +2108,8 @@ 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) {