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GET /api/patches/21748/?format=api
{ "id": 21748, "url": "http://patches.dpdk.org/api/patches/21748/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1489444915-3660-1-git-send-email-ciwillia@brocade.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1489444915-3660-1-git-send-email-ciwillia@brocade.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1489444915-3660-1-git-send-email-ciwillia@brocade.com", "date": "2017-03-13T22:41:55", "name": "[dpdk-dev] net/vmxnet3: fix queue size changes", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "2f1a3ebc9e028a366578a242d983d36c098770c6", "submitter": { "id": 424, "url": "http://patches.dpdk.org/api/people/424/?format=api", "name": "Chas Williams", "email": "ciwillia@brocade.com" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1489444915-3660-1-git-send-email-ciwillia@brocade.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/21748/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/21748/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 7999D2C28;\n\tMon, 13 Mar 2017 23:42:06 +0100 (CET)", "from mx0a-000f0801.pphosted.com (mx0b-000f0801.pphosted.com\n\t[67.231.152.113]) by dpdk.org (Postfix) with ESMTP id 383132C1A\n\tfor <dev@dpdk.org>; Mon, 13 Mar 2017 23:42:04 +0100 (CET)", "from pps.filterd (m0000700.ppops.net [127.0.0.1])\n\tby mx0b-000f0801.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id\n\tv2DMJkYe030341; Mon, 13 Mar 2017 15:42:03 -0700", "from brmwp-exmb12.corp.brocade.com ([208.47.132.227])\n\tby mx0b-000f0801.pphosted.com with ESMTP id 2962vnrbrb-1\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); \n\tMon, 13 Mar 2017 15:42:03 -0700", "from confsjhq2-2-001.brocade.com (10.252.136.2) by\n\tBRMWP-EXMB12.corp.brocade.com (172.16.59.130) with Microsoft SMTP\n\tServer (TLS) id 15.0.1210.3; Mon, 13 Mar 2017 16:42:01 -0600" ], "From": "\"Charles (Chas) Williams\" <ciwillia@brocade.com>", "To": "<dev@dpdk.org>", "CC": "<yongwang@vmware.com>, \"Charles (Chas) Williams\" <ciwillia@brocade.com>", "Date": "Mon, 13 Mar 2017 18:41:55 -0400", "Message-ID": "<1489444915-3660-1-git-send-email-ciwillia@brocade.com>", "X-Mailer": "git-send-email 2.1.4", "MIME-Version": "1.0", "Content-Type": "text/plain", "X-ClientProxiedBy": "hq1wp-excas13.corp.brocade.com (10.70.36.103) To\n\tBRMWP-EXMB12.corp.brocade.com (172.16.59.130)", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-03-13_15:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0\n\tpriorityscore=1501 malwarescore=0\n\tsuspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011\n\tlowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam\n\tadjust=0\n\treason=mlx scancount=1 engine=8.0.1-1702020001\n\tdefinitions=main-1703130170", "Subject": "[dpdk-dev] [PATCH] net/vmxnet3: fix queue size changes", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "If the user reconfigures the queues size, then the previosly allocated\nmemzone may potentially be too small. Instead, always free the old\nmemzone and allocate a new one.\n\nFixes: dfaff37fc46d (\"vmxnet3: import new vmxnet3 poll mode driver implementation\")\n\nSigned-off-by: Chas Williams <ciwillia@brocade.com>\n---\n drivers/net/vmxnet3/vmxnet3_rxtx.c | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c\nindex 6649c3f..104e040 100644\n--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c\n+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c\n@@ -893,8 +893,8 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)\n \n /*\n * Create memzone for device rings. malloc can't be used as the physical address is\n- * needed. If the memzone is already created, then this function returns a ptr\n- * to the old one.\n+ * needed. If the memzone already exists, we free it since it may have been created\n+ * with a different size.\n */\n static const struct rte_memzone *\n ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,\n@@ -909,7 +909,7 @@ ring_dma_zone_reserve(struct rte_eth_dev *dev, const char *ring_name,\n \n \tmz = rte_memzone_lookup(z_name);\n \tif (mz)\n-\t\treturn mz;\n+\t\trte_memzone_free(mz);\n \n \treturn rte_memzone_reserve_aligned(z_name, ring_size,\n \t\t\t\t\t socket_id, 0, VMXNET3_RING_BA_ALIGN);\n", "prefixes": [ "dpdk-dev" ] }