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GET /api/patches/45829/?format=api
{ "id": 45829, "url": "http://patches.dpdk.org/api/patches/45829/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20181002093651.24795-12-maxime.coquelin@redhat.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": "<20181002093651.24795-12-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20181002093651.24795-12-maxime.coquelin@redhat.com", "date": "2018-10-02T09:36:45", "name": "[v2,11/17] vhost: register new regions with userfaultfd", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "cfdfd5bdf584f6aedfb459288df295eb0aeed74d", "submitter": { "id": 512, "url": "http://patches.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.com" }, "delegate": { "id": 2642, "url": "http://patches.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20181002093651.24795-12-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 1630, "url": "http://patches.dpdk.org/api/series/1630/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=1630", "date": "2018-10-02T09:36:34", "name": "vhost: add postcopy live-migration support", "version": 2, "mbox": "http://patches.dpdk.org/series/1630/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/45829/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/45829/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 73B054C95;\n\tTue, 2 Oct 2018 11:38:13 +0200 (CEST)", "from mx1.redhat.com (mx1.redhat.com [209.132.183.28])\n\tby dpdk.org (Postfix) with ESMTP id 390E437B4;\n\tTue, 2 Oct 2018 11:38:11 +0200 (CEST)", "from smtp.corp.redhat.com\n\t(int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 8E285C02E618;\n\tTue, 2 Oct 2018 09:38:10 +0000 (UTC)", "from localhost.localdomain (ovpn-112-50.ams2.redhat.com\n\t[10.36.112.50])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id D7D8917119;\n\tTue, 2 Oct 2018 09:38:04 +0000 (UTC)" ], "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "dev@dpdk.org, tiwei.bie@intel.com, zhihong.wang@intel.com,\n\tjfreimann@redhat.com, nicknickolaev@gmail.com, i.maximets@samsung.com,\n\tbruce.richardson@intel.com, alejandro.lucero@netronome.com", "Cc": "dgilbert@redhat.com, stable@dpdk.org,\n\tMaxime Coquelin <maxime.coquelin@redhat.com>", "Date": "Tue, 2 Oct 2018 11:36:45 +0200", "Message-Id": "<20181002093651.24795-12-maxime.coquelin@redhat.com>", "In-Reply-To": "<20181002093651.24795-1-maxime.coquelin@redhat.com>", "References": "<20181002093651.24795-1-maxime.coquelin@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.16", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.32]); Tue, 02 Oct 2018 09:38:10 +0000 (UTC)", "Subject": "[dpdk-dev] [PATCH v2 11/17] vhost: register new regions with\n\tuserfaultfd", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>\nSigned-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\n lib/librte_vhost/vhost_user.c | 33 ++++++++++++++++++++++++++++++++-\n 1 file changed, 32 insertions(+), 1 deletion(-)", "diff": "diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c\nindex bd468ca12..2f681d291 100644\n--- a/lib/librte_vhost/vhost_user.c\n+++ b/lib/librte_vhost/vhost_user.c\n@@ -968,6 +968,32 @@ vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *msg,\n \t\t\tmmap_size,\n \t\t\talignment,\n \t\t\tmmap_offset);\n+\n+\t\tif (dev->postcopy_listening) {\n+#ifdef RTE_LIBRTE_VHOST_POSTCOPY\n+\t\t\tstruct uffdio_register reg_struct;\n+\n+\t\t\treg_struct.range.start = (uint64_t)(uintptr_t)mmap_addr;\n+\t\t\treg_struct.range.len = mmap_size;\n+\t\t\treg_struct.mode = UFFDIO_REGISTER_MODE_MISSING;\n+\n+\t\t\tif (ioctl(dev->postcopy_ufd, UFFDIO_REGISTER,\n+\t\t\t\t\t\t®_struct)) {\n+\t\t\t\tRTE_LOG(ERR, VHOST_CONFIG,\n+\t\t\t\t\t\t\"Failed to register ufd for region %d: (ufd = %d) %s\\n\",\n+\t\t\t\t\t\ti, dev->postcopy_ufd,\n+\t\t\t\t\t\tstrerror(errno));\n+\t\t\t\tgoto err_ufd;\n+\t\t\t}\n+\t\t\tRTE_LOG(INFO, VHOST_CONFIG,\n+\t\t\t\t\t\"\\t userfaultfd registered for range : %llx - %llx\\n\",\n+\t\t\t\t\treg_struct.range.start,\n+\t\t\t\t\treg_struct.range.start +\n+\t\t\t\t\treg_struct.range.len - 1);\n+#else\n+\t\t\tgoto err_ufd;\n+#endif\n+\t\t}\n \t}\n \n \tfor (i = 0; i < dev->nr_vring; i++) {\n@@ -983,7 +1009,7 @@ vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *msg,\n \n \t\t\tdev = translate_ring_addresses(dev, i);\n \t\t\tif (!dev)\n-\t\t\t\tgoto err_mmap;\n+\t\t\t\tgoto err_ufd;\n \n \n \t\t\t*pdev = dev;\n@@ -994,6 +1020,11 @@ vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *msg,\n \n \treturn VH_RESULT_OK;\n \n+err_ufd:\n+\tif (dev->postcopy_ufd >= 0) {\n+\t\tclose(dev->postcopy_ufd);\n+\t\tdev->postcopy_ufd = -1;\n+\t}\n err_mmap:\n \tfree_mem_region(dev);\n \trte_free(dev->mem);\n", "prefixes": [ "v2", "11/17" ] }