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{ "id": 48761, "url": "http://patchwork.dpdk.org/api/covers/48761/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/cover/cover.1544701282.git.anatoly.burakov@intel.com/", "project": { "id": 1, "url": "http://patchwork.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": "<cover.1544701282.git.anatoly.burakov@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/cover.1544701282.git.anatoly.burakov@intel.com", "date": "2018-12-13T11:43:14", "name": "[v3,0/5] Allow using virtio-user without hugepages", "submitter": { "id": 4, "url": "http://patchwork.dpdk.org/api/people/4/?format=api", "name": "Anatoly Burakov", "email": "anatoly.burakov@intel.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/cover/cover.1544701282.git.anatoly.burakov@intel.com/mbox/", "series": [ { "id": 2758, "url": "http://patchwork.dpdk.org/api/series/2758/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=2758", "date": "2018-12-13T11:43:14", "name": "Allow using virtio-user without hugepages", "version": 3, "mbox": "http://patchwork.dpdk.org/series/2758/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/covers/48761/comments/", "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 789C81B4F4;\n\tThu, 13 Dec 2018 12:43:25 +0100 (CET)", "from mga05.intel.com (mga05.intel.com [192.55.52.43])\n\tby dpdk.org (Postfix) with ESMTP id 8F20A2BC7\n\tfor <dev@dpdk.org>; Thu, 13 Dec 2018 12:43:23 +0100 (CET)", "from orsmga004.jf.intel.com ([10.7.209.38])\n\tby fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t13 Dec 2018 03:43:22 -0800", "from irvmail001.ir.intel.com ([163.33.26.43])\n\tby orsmga004.jf.intel.com with ESMTP; 13 Dec 2018 03:43:20 -0800", "from sivswdev05.ir.intel.com (sivswdev05.ir.intel.com\n\t[10.243.17.64])\n\tby irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id\n\twBDBhJV3032148; Thu, 13 Dec 2018 11:43:19 GMT", "from sivswdev05.ir.intel.com (localhost [127.0.0.1])\n\tby sivswdev05.ir.intel.com with ESMTP id wBDBhJTH012530;\n\tThu, 13 Dec 2018 11:43:19 GMT", "(from aburakov@localhost)\n\tby sivswdev05.ir.intel.com with LOCAL id wBDBhJZ8012526;\n\tThu, 13 Dec 2018 11:43:19 GMT" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.56,348,1539673200\"; d=\"scan'208\";a=\"259162195\"", "From": "Anatoly Burakov <anatoly.burakov@intel.com>", "To": "dev@dpdk.org", "Cc": "przemyslawx.lal@intel.com, kuralamudhan.ramakrishnan@intel.com,\n\tivan.coughlan@intel.com, tiwei.bie@intel.com, ray.kinsella@intel.com, \n\tmaxime.coquelin@redhat.com", "Date": "Thu, 13 Dec 2018 11:43:14 +0000", "Message-Id": "<cover.1544701282.git.anatoly.burakov@intel.com>", "X-Mailer": "git-send-email 1.7.0.7", "In-Reply-To": "<cover.1544546363.git.anatoly.burakov@intel.com>", "References": "<cover.1544546363.git.anatoly.burakov@intel.com>", "Subject": "[dpdk-dev] [PATCH v3 0/5] Allow using virtio-user without hugepages", "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": "It is already possible to use both DPDK in general and\nvirtio-user specifically, without hugetlbfs mounts, but\ncurrently virtio-user cannot be used without hugepage\nmemory (i.e. with a --no-huge EAL switch) due to the\nfact that it needs to share memory with the backend.\n\nThis patchset uses memfd to create actual files backing\nanonymous memory. This enabled virtio-user to work not\nonly without hugetlbfs (which was already possible), but\nwithout hugepages altogether, which could be useful in\nCloud Native scenarios.\n\nv3:\n- Clarify doc changes\n\nv2:\n- Fixed segment fd list not being initialized\n- Added some segment fd API fixes\n- Added unit test for segment fd API\n\nAnatoly Burakov (5):\n mem: fix error code for segment fd API for external segs\n memalloc: check for memfd support in segment fd API\n memalloc: allow setting up segment list fd's\n mem: use memfd for no-huge mode\n test: add segment fd API test\n\n doc/guides/rel_notes/release_19_02.rst | 13 +++++\n lib/librte_eal/bsdapp/eal/eal_memalloc.c | 6 ++\n lib/librte_eal/common/eal_common_memory.c | 12 ++++\n lib/librte_eal/common/eal_memalloc.h | 4 ++\n lib/librte_eal/linuxapp/eal/eal_memalloc.c | 66 +++++++++++++++++++---\n lib/librte_eal/linuxapp/eal/eal_memory.c | 54 +++++++++++++++++-\n test/test/test_memory.c | 43 ++++++++++++++\n 7 files changed, 188 insertions(+), 10 deletions(-)" }