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GET /api/patches/43502/?format=api
{ "id": 43502, "url": "http://patchwork.dpdk.org/api/patches/43502/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/12c37dfc8dda4acbd7b49b00a577c3a9f5cbfbba.1533125146.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": "<12c37dfc8dda4acbd7b49b00a577c3a9f5cbfbba.1533125146.git.anatoly.burakov@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/12c37dfc8dda4acbd7b49b00a577c3a9f5cbfbba.1533125146.git.anatoly.burakov@intel.com", "date": "2018-08-01T12:07:16", "name": "doc: add deprecation notice on external memory support", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "62fe1689b85b511314c19088bd77217f0b049909", "submitter": { "id": 4, "url": "http://patchwork.dpdk.org/api/people/4/?format=api", "name": "Anatoly Burakov", "email": "anatoly.burakov@intel.com" }, "delegate": null, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/12c37dfc8dda4acbd7b49b00a577c3a9f5cbfbba.1533125146.git.anatoly.burakov@intel.com/mbox/", "series": [ { "id": 855, "url": "http://patchwork.dpdk.org/api/series/855/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=855", "date": "2018-08-01T12:07:16", "name": "doc: add deprecation notice on external memory support", "version": 1, "mbox": "http://patchwork.dpdk.org/series/855/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/43502/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/43502/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 7C8575F29;\n\tWed, 1 Aug 2018 14:07:46 +0200 (CEST)", "from mga03.intel.com (mga03.intel.com [134.134.136.65])\n\tby dpdk.org (Postfix) with ESMTP id 43FCA5F21\n\tfor <dev@dpdk.org>; Wed, 1 Aug 2018 14:07:44 +0200 (CEST)", "from fmsmga003.fm.intel.com ([10.253.24.29])\n\tby orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t01 Aug 2018 05:07:43 -0700", "from irvmail001.ir.intel.com ([163.33.26.43])\n\tby FMSMGA003.fm.intel.com with ESMTP; 01 Aug 2018 05:07:22 -0700", "from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com\n\t[10.237.217.45])\n\tby irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id\n\tw71C7MoY018093; Wed, 1 Aug 2018 13:07:22 +0100", "from sivswdev01.ir.intel.com (localhost [127.0.0.1])\n\tby sivswdev01.ir.intel.com with ESMTP id w71C7Mfs003816;\n\tWed, 1 Aug 2018 13:07:22 +0100", "(from aburakov@localhost)\n\tby sivswdev01.ir.intel.com with LOCAL id w71C7GBn003749;\n\tWed, 1 Aug 2018 13:07:16 +0100" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.51,431,1526367600\"; d=\"scan'208\";a=\"69209502\"", "From": "Anatoly Burakov <anatoly.burakov@intel.com>", "To": "dev@dpdk.org", "Cc": "Neil Horman <nhorman@tuxdriver.com>,\n\tJohn McNamara <john.mcnamara@intel.com>,\n\tMarko Kovacevic <marko.kovacevic@intel.com>, thomas@monjalon.net,\n\tkeith.wiles@intel.com", "Date": "Wed, 1 Aug 2018 13:07:16 +0100", "Message-Id": "<12c37dfc8dda4acbd7b49b00a577c3a9f5cbfbba.1533125146.git.anatoly.burakov@intel.com>", "X-Mailer": "git-send-email 1.7.0.7", "Subject": "[dpdk-dev] [PATCH] doc: add deprecation notice on external memory\n\tsupport", "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": "Due to the upcoming external memory support [1], some API and ABI\nchanges will be required. In addition, although the changes called\nout in the deprecation notice are not yet present in form of code\nin the published RFC itself, they are based on consensus on the\nmailing list [2] on how to best implement this feature.\n\n[1] http://patches.dpdk.org/project/dpdk/list/?series=453&state=*\n[2] https://mails.dpdk.org/archives/dev/2018-July/108002.html\n\nSigned-off-by: Anatoly Burakov <anatoly.burakov@intel.com>\n---\n doc/guides/rel_notes/deprecation.rst | 15 +++++++++++++++\n 1 file changed, 15 insertions(+)", "diff": "diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst\nindex 14714fe94..629154711 100644\n--- a/doc/guides/rel_notes/deprecation.rst\n+++ b/doc/guides/rel_notes/deprecation.rst\n@@ -8,6 +8,21 @@ API and ABI deprecation notices are to be posted here.\n Deprecation Notices\n -------------------\n \n+* eal: certain structures will change in EAL on account of upcoming external\n+ memory support. Aside from internal changes leading to an ABI break, the\n+ following externally visible changes will also be implemented:\n+\n+ - ``rte_memseg_list`` will change to include a boolean flag indicating\n+ whether a particular memseg list is externally allocated. This will have\n+ implications for any users of memseg-walk-related functions, as they will\n+ now have to skip externally allocated segments in most cases if the intent\n+ is to only iterate over internal DPDK memory.\n+ - ``socket_id`` parameter across the entire DPDK will gain additional meaning,\n+ as some socket ID's will now be representing externally allocated memory. No\n+ changes will be required for existing code as backwards compatibility will\n+ be kept, and those who do not use this feature will not see these extra\n+ socket ID's.\n+\n * eal: both declaring and identifying devices will be streamlined in v18.08.\n New functions will appear to query a specific port from buses, classes of\n device and device drivers. Device declaration will be made coherent with the\n", "prefixes": [] }