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GET /api/patches/137937/?format=api
{ "id": 137937, "url": "http://patches.dpdk.org/api/patches/137937/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1709574764-9041-31-git-send-email-roretzla@linux.microsoft.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": "<1709574764-9041-31-git-send-email-roretzla@linux.microsoft.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1709574764-9041-31-git-send-email-roretzla@linux.microsoft.com", "date": "2024-03-04T17:52:35", "name": "[v7,30/39] ipsec: use C11 alignas", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "ba84734c8b2bc76a36eb448fe00cdd35bee55fd6", "submitter": { "id": 2077, "url": "http://patches.dpdk.org/api/people/2077/?format=api", "name": "Tyler Retzlaff", "email": "roretzla@linux.microsoft.com" }, "delegate": { "id": 24651, "url": "http://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1709574764-9041-31-git-send-email-roretzla@linux.microsoft.com/mbox/", "series": [ { "id": 31365, "url": "http://patches.dpdk.org/api/series/31365/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=31365", "date": "2024-03-04T17:52:05", "name": "use C11 alignas", "version": 7, "mbox": "http://patches.dpdk.org/series/31365/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/137937/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/137937/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 6948D43B9B;\n\tMon, 4 Mar 2024 18:55:35 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 881C642E74;\n\tMon, 4 Mar 2024 18:53:20 +0100 (CET)", "from linux.microsoft.com (linux.microsoft.com [13.77.154.182])\n by mails.dpdk.org (Postfix) with ESMTP id BF67440F16\n for <dev@dpdk.org>; Mon, 4 Mar 2024 18:52:52 +0100 (CET)", "by linux.microsoft.com (Postfix, from userid 1086)\n id C6FC420B74DE; Mon, 4 Mar 2024 09:52:50 -0800 (PST)" ], "DKIM-Filter": "OpenDKIM Filter v2.11.0 linux.microsoft.com C6FC420B74DE", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com;\n s=default; t=1709574771;\n bh=bSuUXVLJJSwwR4ZuK8qrOHwrGnVRb77P8r+C3FcP200=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=IrTD35KY9sYl8v7lmI7m8nZ8r5g8QNtmpP99qBsmYlezvAmLMwE443rjuYuiZiAjt\n Wim+sXCvG8MDRf0FDqifEWBiinwO9rUaeNaUAxlh9rohYCBbiS6InrBUgcbsOacUsI\n 6Fv0aX6vH7cL60VDGNsCW3648aj62wxUgrVtPI+o=", "From": "Tyler Retzlaff <roretzla@linux.microsoft.com>", "To": "dev@dpdk.org", "Cc": "Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,\n Bruce Richardson <bruce.richardson@intel.com>,\n Chengwen Feng <fengchengwen@huawei.com>,\n Cristian Dumitrescu <cristian.dumitrescu@intel.com>,\n David Christensen <drc@linux.vnet.ibm.com>,\n David Hunt <david.hunt@intel.com>, Ferruh Yigit <ferruh.yigit@amd.com>,\n Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,\n Jasvinder Singh <jasvinder.singh@intel.com>,\n Jerin Jacob <jerinj@marvell.com>, Kevin Laatz <kevin.laatz@intel.com>,\n Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>,\n Min Zhou <zhoumin@loongson.cn>, Ruifeng Wang <ruifeng.wang@arm.com>,\n Sameh Gobriel <sameh.gobriel@intel.com>,\n Stanislaw Kardach <kda@semihalf.com>,\n Thomas Monjalon <thomas@monjalon.net>,\n Vladimir Medvedkin <vladimir.medvedkin@intel.com>,\n Yipeng Wang <yipeng1.wang@intel.com>,\n Tyler Retzlaff <roretzla@linux.microsoft.com>", "Subject": "[PATCH v7 30/39] ipsec: use C11 alignas", "Date": "Mon, 4 Mar 2024 09:52:35 -0800", "Message-Id": "<1709574764-9041-31-git-send-email-roretzla@linux.microsoft.com>", "X-Mailer": "git-send-email 1.8.3.1", "In-Reply-To": "<1709574764-9041-1-git-send-email-roretzla@linux.microsoft.com>", "References": "<1707873986-29352-1-git-send-email-roretzla@linux.microsoft.com>\n <1709574764-9041-1-git-send-email-roretzla@linux.microsoft.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "The current location used for __rte_aligned(a) for alignment of types\nand variables is not compatible with MSVC. There is only a single\nlocation accepted by both toolchains.\n\nFor variables standard C11 offers alignas(a) supported by conformant\ncompilers i.e. both MSVC and GCC.\n\nFor types the standard offers no alignment facility that compatibly\ninteroperates with C and C++ but may be achieved by relocating the\nplacement of __rte_aligned(a) to the aforementioned location accepted\nby all currently supported toolchains.\n\nTo allow alignment for both compilers do the following:\n\n* Move __rte_aligned from the end of {struct,union} definitions to\n be between {struct,union} and tag.\n\n The placement between {struct,union} and the tag allows the desired\n alignment to be imparted on the type regardless of the toolchain being\n used for all of GCC, LLVM, MSVC compilers building both C and C++.\n\n* Replace use of __rte_aligned(a) on variables/fields with alignas(a).\n\nSigned-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>\nAcked-by: Morten Brørup <mb@smartsharesystems.com>\nAcked-by: Konstantin Ananyev <konstantin.ananyev@huawei.com>\n---\n lib/ipsec/rte_ipsec.h | 4 ++--\n lib/ipsec/sa.h | 4 ++--\n 2 files changed, 4 insertions(+), 4 deletions(-)", "diff": "diff --git a/lib/ipsec/rte_ipsec.h b/lib/ipsec/rte_ipsec.h\nindex 44cecab..f15f6f2 100644\n--- a/lib/ipsec/rte_ipsec.h\n+++ b/lib/ipsec/rte_ipsec.h\n@@ -55,7 +55,7 @@ struct rte_ipsec_sa_pkt_func {\n * - pointer to security/crypto session, plus other related data\n * - session/device specific functions to prepare/process IPsec packets.\n */\n-struct rte_ipsec_session {\n+struct __rte_cache_aligned rte_ipsec_session {\n \t/**\n \t * SA that session belongs to.\n \t * Note that multiple sessions can belong to the same SA.\n@@ -77,7 +77,7 @@ struct rte_ipsec_session {\n \t};\n \t/** functions to prepare/process IPsec packets */\n \tstruct rte_ipsec_sa_pkt_func pkt_func;\n-} __rte_cache_aligned;\n+};\n \n /**\n * Checks that inside given rte_ipsec_session crypto/security fields\ndiff --git a/lib/ipsec/sa.h b/lib/ipsec/sa.h\nindex 4b30bea..2560d33 100644\n--- a/lib/ipsec/sa.h\n+++ b/lib/ipsec/sa.h\n@@ -75,7 +75,7 @@ enum sa_algo_type\t{\n \tALGO_TYPE_MAX\n };\n \n-struct rte_ipsec_sa {\n+struct __rte_cache_aligned rte_ipsec_sa {\n \n \tuint64_t type; /* type of given SA */\n \tuint64_t udata; /* user defined */\n@@ -141,7 +141,7 @@ struct rte_ipsec_sa {\n \t\t} errors;\n \t} statistics;\n \n-} __rte_cache_aligned;\n+};\n \n int\n ipsec_sa_pkt_func_select(const struct rte_ipsec_session *ss,\n", "prefixes": [ "v7", "30/39" ] }