From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZrThBsVhhjN9HSGL2uuPkAa5EJtn7UKG5aqxotWVy3GQDJJCqWso471aSI4NB4fchkh343M ARC-Seal: i=1; a=rsa-sha256; t=1525116423; cv=none; d=google.com; s=arc-20160816; b=VswBNqsEBhLh4TsuQBta/EZnnl7eGrcKzvSisGc5y6mUG5sJCm3R7h7QoxnkDSARPt OZ4zUH3Ewh6w4i/3Y75xJGrtjFDb7IGfCP8We2ay8zJd57zWfPKzKUSE+U653B1RvTJ2 0fsOY84y4Oz/VKLHpTbNEbO14rEr7Y3/5CheXr26n5yIoTRG50iOTmo993Lwbrm49oC5 jBnACsqKaFZyh14Lp4HTEKWT6J5RaDdAtE7vdjFZpHqOa3DijczMOc9i4pP2TgBTyHDt kkfwjcVu0Agr0PNGStb1UjW5Qc2GyvXVQaSWV1BWs3lMXjXZ1UCUtF+WnWAXKYBl9kCa ZKtQ== 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=ERtOmHMNwXqfZbRkV3PII5qylkUNGwRwzSJ/Bd0Nqjc=; b=q+emBCQLD0TFna56fMSfi/y+jQzbzO+aozx8C98y5uINk0RaNBaZw759a7ZpXC3tHL WJIjnpz7Cxw8ujLh02fuy5aNu5nsNJQU2+Zrut3ybqndMdSogGBYryO+RD40Fscx8lDP 5+6J440P+gFDuqDR/QfnoiLMLEUdP7c55w4AItIptfHqRwi8iJH6iWlZGY72PkIOJs0c KQoX5onbsEgd0wnfU7VgIMlWRb6GKOrYI+6r5KCUVx+jmfQMDfu2qbo8yFLuawzplXS2 8e3sDC2bAx7qjOkMdExZPEhDraRo8SQe5XeLbwKmNeN9uP/0YViY/VhpHb1h9qtFEORf Sovw== 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 455A022DAC 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 4.14 22/91] virtio: add ability to iterate over vqs Date: Mon, 30 Apr 2018 12:24:04 -0700 Message-Id: <20180430184005.367272127@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180430184004.216234025@linuxfoundation.org> References: <20180430184004.216234025@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?1599200479353702772?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-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 @@ -157,6 +157,9 @@ 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).