From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZpnYPF9qtSTcCI3oz8kQ9F1gm7ZcoBOrDpaJ11tm9xlKniScI5RmyTwi7exp+4bPcuzXflr ARC-Seal: i=1; a=rsa-sha256; t=1525116380; cv=none; d=google.com; s=arc-20160816; b=j3aKuU5unWayICovYtIlUQmCOKToGtwjN9VuqsqqVKOEQRcpEW+zeylfe6psDq3GLO AENk9mSRHbAo13AMXVmAzvdAib2LsQ/LnTmaiXU6RsGBtJwFdStpSVL1uGua5oT1Ea5l lpkS6W/LWxXbUGi6zFlgvHe55zpUor9T33JKH+IgPU3lPBQEuYFhVNXNfQUvcwLTaEeI LQLyWsSnJl9DCM7Nq5UsP1dXRsjnlwOKqZ36cseXMhjmlE4YYpu2oAZRb0imYdQ5HBa1 kqOMjWYhDZ2WJJ4+RVRmoIF2rOkmHtnvQUcXOXwC4WVWMzjC36Y9X7b3OBK/AU3P5Ipq NPOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:dmarc-filter:arc-authentication-results; bh=KIKUXR/ZdfgDzY4Cyyi/SIPMwI5mtEKTlQcvMM+MV+w=; b=XXJA77+R7/Dx04ogrGYIPijCrBy7quFoe8/7B/W4oBeK27mW8CFIVmtn/DyYvFZy/K kgVkg4n6COJBEIU+ewd6A5mLxg5xa4r7IuH/N0bk5no+g1kPA+eZoRfRTHxpdoQcwVxX uB6l6T7DXgZfjqeC4Nncv7JDqO2ChhlgnFu7KxIesYXA3VmWjZdvgQr310qschcpw1b0 3c+ypjr1i5xOYMh87pPGaVmBRlJNUAD6qUn6RS+pDn9h2JLXEnQDiyc9FHVaEcV7V49M o0ea4whgBnAtX6uAxRUJA0YbG273UlR3+oFrjjaMcRL69bkTD7Avbg0Qk0QaX3424B7C G1wA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of srs0=k66p=ht=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=K66P=HT=linuxfoundation.org=gregkh@kernel.org Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of srs0=k66p=ht=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=K66P=HT=linuxfoundation.org=gregkh@kernel.org DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 13FA022DC9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=fail smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Michael S. Tsirkin" Subject: [PATCH 4.9 17/61] virtio: add ability to iterate over vqs Date: Mon, 30 Apr 2018 12:24:20 -0700 Message-Id: <20180430183952.653413630@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180430183951.312721450@linuxfoundation.org> References: <20180430183951.312721450@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1599200278542184373?= X-GMAIL-MSGID: =?utf-8?q?1599200433931659215?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable 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. Cc: stable@vger.kernel.org Signed-off-by: Michael S. Tsirkin Signed-off-by: Greg Kroah-Hartman --- include/linux/virtio.h | 3 +++ 1 file changed, 3 insertions(+) --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -143,6 +143,9 @@ int virtio_device_freeze(struct virtio_d int virtio_device_restore(struct virtio_device *dev); #endif +#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).