From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZr586qYHBUgdkc5rorUpQftrZLpG1G/xF+7z/EHP02yoVlI/2PVCcobmoLVkvxAZrQk1o+F ARC-Seal: i=1; a=rsa-sha256; t=1525116232; cv=none; d=google.com; s=arc-20160816; b=LKTzfVCFO/Y07IVvgSdYJ7F5WX8jBkZHLSzcMLW8eZ/S2nhvk9nxEd86Pt68u4fK/e NkAKtKRcp9EcZjQ5/5LUPe6rglS/WJzST6BQCYH5n7NzMmjZgpkfbtAbS+oHkLsRvF3F gXbbCZTuVRb6lx2EeIJSibr3goqgc3CTofryo3sxFj7dBVQ/6AGsr6rV9Fwqa36+VqD2 nrO5HDpXdzVecy6Gx6ADPoiZAMTbjLUKZFCB9xcSaaLm8wF00hLPhU5KaKrQVIFcqRHR O5t3HvQW5+Ex2uuoyRmAdj2V93L1Oz1nuYUMmrPzj2f68z7gZaN5Z76paK80Ak/zkuwD JAKg== 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=i4oOrj95TBvc6iS1XAKWpwTFbFOZSdCOMq1zLkt9828=; b=ZhJ6sqFUlvj9frMAoYZxikxGk3Q6CehHbnrK74LwHhfiV8RFlzQnWPQ+FruDtWh1zN IbdZbVKPN8yFJy5Q/Mp4+O/mo9jJ6ZiH9LzSpmh65Wb3Uhzf/rvK/MCav9lCloO3LStz RCbUiDKF7n+vV9Ft4jnhMiDwUrO1TW1O6FJccU4E5moe7pVyyArirp6alfZFbNA1pr25 iI32Vd8WHl0uuNaE5RwWCLMfW2Y35KwKzCik5Z/oSBhlWDTgXKVV9CAQP7rpaRBr+J4c BgRgpoXQ9VqjY7oWTMkAXwFxCTO83eWl7ZNbc4K2poNLkHm38e94q/WSa6pvG81Xci9u yp8A== 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 9B44022DBE 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 3.18 11/25] virtio: add ability to iterate over vqs Date: Mon, 30 Apr 2018 12:23:18 -0700 Message-Id: <20180430183911.285094449@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180430183910.801976983@linuxfoundation.org> References: <20180430183910.801976983@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?1599200278542184373?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.18-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 @@ -122,6 +122,9 @@ 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).