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GET /api/patches/1658298/?format=api
{ "id": 1658298, "url": "http://patchwork.ozlabs.org/api/patches/1658298/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/patch/20220720030436.79520-21-xuanzhuo@linux.alibaba.com/", "project": { "id": 60, "url": "http://patchwork.ozlabs.org/api/projects/60/?format=api", "name": "User-mode Linux Development", "link_name": "linux-um", "list_id": "linux-um.lists.infradead.org", "list_email": "linux-um@lists.infradead.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20220720030436.79520-21-xuanzhuo@linux.alibaba.com>", "list_archive_url": null, "date": "2022-07-20T03:04:16", "name": "[v12,20/40] virtio_ring: packed: introduce virtqueue_reinit_packed()", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "5135881968f9abdcbfa79a1812b6f3b4252fbb1f", "submitter": { "id": 80519, "url": "http://patchwork.ozlabs.org/api/people/80519/?format=api", "name": "Xuan Zhuo", "email": "xuanzhuo@linux.alibaba.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-um/patch/20220720030436.79520-21-xuanzhuo@linux.alibaba.com/mbox/", "series": [ { "id": 310331, "url": "http://patchwork.ozlabs.org/api/series/310331/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/list/?series=310331", "date": "2022-07-20T03:03:59", "name": "virtio pci support VIRTIO_F_RING_RESET", "version": 12, "mbox": "http://patchwork.ozlabs.org/series/310331/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1658298/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1658298/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "bilbo.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=ZGvpxJAF;\n\tdkim-atps=neutral", "ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=<UNKNOWN>)" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n\t(No client certificate requested)\n\tby bilbo.ozlabs.org (Postfix) with ESMTPS id 4LngYv06FRz9sFs\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 20 Jul 2022 13:05:39 +1000 (AEST)", "from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux))\n\tid 1oE01l-00HEsl-7l; Wed, 20 Jul 2022 03:05:33 +0000", "from out30-132.freemail.mail.aliyun.com ([115.124.30.132])\n\tby bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux))\n\tid 1oE01i-00HEn2-Ou\n\tfor linux-um@lists.infradead.org; Wed, 20 Jul 2022 03:05:32 +0000", "from localhost(mailfrom:xuanzhuo@linux.alibaba.com\n fp:SMTPD_---0VJux96M_1658286324)\n by smtp.aliyun-inc.com;\n Wed, 20 Jul 2022 11:05:25 +0800" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=mbyvkdlBbAy4U+qgxXzgDyTG+7e4IcQQD7RE/vWZc50=; b=ZGvpxJAF/WrMCn\n\twAvI/2RPx8crKFsR1MLnz92eVLa8pO8mUG5R1YhQMb3/FzIALKM9qcgYE+W/e/J43j/Ej5CzZX99b\n\tRQrc/eC5kJmgVAyJHttDyRatu2agcE+FP0XJR5HjgVHqmwHl/JYnl4l1vhg79dbipDHfgQvHH9uQU\n\tY/z2c1sznQ6M24YMfyF2H5AHlJquZOZRff3TauCbAqDff3I4/cJFRsRD03X9RWxo4GDigeciCPZKk\n\tDoJl96iTQZNFcwmUtlZjSacB+adeYHbG93yni0Jc2IZjGP4WL893Cx81phAi2HkdGlOLYsBKoVB6+\n\tWgPk/MckJK20XzMdk8MQ==;", "X-Alimail-AntiSpam": "\n AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=xuanzhuo@linux.alibaba.com;NM=1;PH=DS;RN=37;SR=0;TI=SMTPD_---0VJux96M_1658286324;", "From": "Xuan Zhuo <xuanzhuo@linux.alibaba.com>", "To": "virtualization@lists.linux-foundation.org", "Cc": "Richard Weinberger <richard@nod.at>,\n\tAnton Ivanov <anton.ivanov@cambridgegreys.com>,\n\tJohannes Berg <johannes@sipsolutions.net>,\n\t\"Michael S. Tsirkin\" <mst@redhat.com>,\n\tJason Wang <jasowang@redhat.com>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\tEric Dumazet <edumazet@google.com>,\n\tJakub Kicinski <kuba@kernel.org>,\n\tPaolo Abeni <pabeni@redhat.com>,\n\tHans de Goede <hdegoede@redhat.com>,\n\tMark Gross <markgross@kernel.org>,\n\tVadim Pasternak <vadimp@nvidia.com>,\n\tBjorn Andersson <bjorn.andersson@linaro.org>,\n\tMathieu Poirier <mathieu.poirier@linaro.org>,\n\tCornelia Huck <cohuck@redhat.com>,\n\tHalil Pasic <pasic@linux.ibm.com>,\n\tEric Farman <farman@linux.ibm.com>,\n\tHeiko Carstens <hca@linux.ibm.com>,\n\tVasily Gorbik <gor@linux.ibm.com>,\n\tAlexander Gordeev <agordeev@linux.ibm.com>,\n\tChristian Borntraeger <borntraeger@linux.ibm.com>,\n\tSven Schnelle <svens@linux.ibm.com>,\n\tAlexei Starovoitov <ast@kernel.org>,\n\tDaniel Borkmann <daniel@iogearbox.net>,\n\tJesper Dangaard Brouer <hawk@kernel.org>,\n\tJohn Fastabend <john.fastabend@gmail.com>,\n\tXuan Zhuo <xuanzhuo@linux.alibaba.com>,\n\tVincent Whitchurch <vincent.whitchurch@axis.com>,\n\tlinux-um@lists.infradead.org,\n\tnetdev@vger.kernel.org,\n\tplatform-driver-x86@vger.kernel.org,\n\tlinux-remoteproc@vger.kernel.org,\n\tlinux-s390@vger.kernel.org,\n\tkvm@vger.kernel.org,\n\tbpf@vger.kernel.org,\n\tkangjie.xu@linux.alibaba.com", "Subject": "[PATCH v12 20/40] virtio_ring: packed: introduce\n virtqueue_reinit_packed()", "Date": "Wed, 20 Jul 2022 11:04:16 +0800", "Message-Id": "<20220720030436.79520-21-xuanzhuo@linux.alibaba.com>", "X-Mailer": "git-send-email 2.31.0", "In-Reply-To": "<20220720030436.79520-1-xuanzhuo@linux.alibaba.com>", "References": "<20220720030436.79520-1-xuanzhuo@linux.alibaba.com>", "MIME-Version": "1.0", "X-Git-Hash": "366032b2ffac", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20220719_200531_009024_730396C6 ", "X-CRM114-Status": "UNSURE ( 8.09 )", "X-CRM114-Notice": "Please train this message.", "X-Spam-Score": "-8.0 (--------)", "X-Spam-Report": "Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: Introduce a function to initialize vq without allocating\n new\n ring, desc_state, desc_extra. Subsequent patches will call this function\n after reset vq to reinitialize vq. Signed-off-by: Xuan Zhuo\n <xuanzhuo@linux.alibaba.com>\n --- drivers/virtio/virtio_ring.c | 21 +++++++++++++++++++++ 1 file\n changed,\n 21 insertions(+)\n Content analysis details: (-8.0 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/,\n no trust\n [115.124.30.132 listed in list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -7.5 USER_IN_DEF_SPF_WL From: address is in the default SPF\n white-list\n -0.5 ENV_AND_HDR_SPF_MATCH Env and Hdr From used in default SPF WL\n Match\n 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay\n lines", "X-BeenThere": "linux-um@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "<linux-um.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-um/>", "List-Post": "<mailto:linux-um@lists.infradead.org>", "List-Help": "<mailto:linux-um-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-um\" <linux-um-bounces@lists.infradead.org>", "Errors-To": "linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "Introduce a function to initialize vq without allocating new ring,\ndesc_state, desc_extra.\n\nSubsequent patches will call this function after reset vq to\nreinitialize vq.\n\nSigned-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>\n---\n drivers/virtio/virtio_ring.c | 21 +++++++++++++++++++++\n 1 file changed, 21 insertions(+)", "diff": "diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c\nindex 3bbeb385fb8c..5802cd373fd1 100644\n--- a/drivers/virtio/virtio_ring.c\n+++ b/drivers/virtio/virtio_ring.c\n@@ -1963,6 +1963,27 @@ static void virtqueue_vring_init_packed(struct vring_virtqueue *vq)\n \t}\n }\n \n+static void virtqueue_reinit_packed(struct vring_virtqueue *vq)\n+{\n+\tint size, i;\n+\n+\tmemset(vq->packed.vring.device, 0, vq->packed.event_size_in_bytes);\n+\tmemset(vq->packed.vring.driver, 0, vq->packed.event_size_in_bytes);\n+\tmemset(vq->packed.vring.desc, 0, vq->packed.ring_size_in_bytes);\n+\n+\tsize = sizeof(struct vring_desc_state_packed) * vq->packed.vring.num;\n+\tmemset(vq->packed.desc_state, 0, size);\n+\n+\tsize = sizeof(struct vring_desc_extra) * vq->packed.vring.num;\n+\tmemset(vq->packed.desc_extra, 0, size);\n+\n+\tfor (i = 0; i < vq->packed.vring.num - 1; i++)\n+\t\tvq->packed.desc_extra[i].next = i + 1;\n+\n+\tvirtqueue_init(vq, vq->packed.vring.num);\n+\tvirtqueue_vring_init_packed(vq);\n+}\n+\n static struct virtqueue *vring_create_virtqueue_packed(\n \tunsigned int index,\n \tunsigned int num,\n", "prefixes": [ "v12", "20/40" ] }