From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZruiW3Ud2fFVMyk5mK4zkxp89AY8SVB0g2FlvpxhY4yoXUyMq+Krl9M/6Htd7ISHEE2Ipsn ARC-Seal: i=1; a=rsa-sha256; t=1525116482; cv=none; d=google.com; s=arc-20160816; b=qrL7qucnf4XNqsNJvR7eS+ssYaOr6dcJ8HnK9fOQ1CbbkcLx5Ocj4MtZQ5I5Qi0e8k qLThVDtgC5ZTr/I4PAthlSf+4eKrjQeVmZxH5AWVpJOYgbshT6H/4sbgGWOYU+ryuI3T J92j45A9mWYgrx4HVJANWJRvNxtL+2Zn56qNZsYw0Qov17OD8m8Eo00doIFN8J1FQ8Nt Q8zfA7rE5KKJeur5bsKKd2YeQ4NiZhlCQT5MbPA2xsL+qVfKY3gAxxPC2Th+VETxtLVA gceh1aE+zspXE+DSjFck8GNG9pfRTL25bgiR7Sq2pMVd8MPlue9kIkQ1NvB4LCixECwI nWIA== 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=DXmLEwqcm3602wV4OVpIlUmzF5ozFjrM6jAnFTnRmCc=; b=0yIVLAzv/WfVX+lruD6E6DUt6FVo9xfMIsks3CmvFE0XtdmMr8PcSS6f4jpeSUT6jj dUV5PW/gVXEcz07VrOxhy7wDekDbhY8+8f1/8DXajnQWvAGVuR4HNcwV8CxKd/eFGuej FPjOm9GKnjnKHG/OkdIkzB3vKk35X4ARN55CMD118jwz7MVkE+CLlPDevNvU1xMPaIWm FPNeIJQ8dFq5j+fXEEWNN55njDTSfl85/HGImhvaxUaoIKV8ASzGSdooOY9OEl2aO+uV VWSi2+m3ZfaxxgTgMWR/ccgnjwBUxyzkhxl3ORVZU9SmeRtBSF3OxonUPTWpfgsz9a8F 40BQ== 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 2607022DBF 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 4.16 024/113] virtio: add ability to iterate over vqs Date: Mon, 30 Apr 2018 12:23:55 -0700 Message-Id: <20180430184016.096303975@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180430184015.043892819@linuxfoundation.org> References: <20180430184015.043892819@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?1599200540993654077?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.16-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).