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GET /api/patches/8025/?format=api
https://patches.dpdk.org/api/patches/8025/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1445877458-31052-8-git-send-email-viktorin@rehivetech.com/", "project": { "id": 1, "url": "https://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": "<1445877458-31052-8-git-send-email-viktorin@rehivetech.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1445877458-31052-8-git-send-email-viktorin@rehivetech.com", "date": "2015-10-26T16:37:29", "name": "[dpdk-dev,v2,07/16] eal/arm: spinlock operations for ARM (without HTM)", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "f6c7c0ddf2e6a10a6534e75ea4744a1cc6b4544f", "submitter": { "id": 292, "url": "https://patches.dpdk.org/api/people/292/?format=api", "name": "Jan Viktorin", "email": "viktorin@rehivetech.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1445877458-31052-8-git-send-email-viktorin@rehivetech.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/8025/comments/", "check": "pending", "checks": "https://patches.dpdk.org/api/patches/8025/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 0BE358E79;\n\tMon, 26 Oct 2015 17:39:41 +0100 (CET)", "from wes1-so1.wedos.net (wes1-so1.wedos.net [46.28.106.15])\n\tby dpdk.org (Postfix) with ESMTP id 07D1D8D3D\n\tfor <dev@dpdk.org>; Mon, 26 Oct 2015 17:39:31 +0100 (CET)", "from pcviktorin.fit.vutbr.cz (pcviktorin.fit.vutbr.cz\n\t[147.229.13.147])\n\tby wes1-so1.wedos.net (Postfix) with ESMTPSA id 3nl21t6GhBz4xk;\n\tMon, 26 Oct 2015 17:39:30 +0100 (CET)" ], "From": "Jan Viktorin <viktorin@rehivetech.com>", "To": "Thomas Monjalon <thomas.monjalon@6wind.com>,\n\tDavid Hunt <david.hunt@intel.com>, dev@dpdk.org", "Date": "Mon, 26 Oct 2015 17:37:29 +0100", "Message-Id": "<1445877458-31052-8-git-send-email-viktorin@rehivetech.com>", "X-Mailer": "git-send-email 2.6.1", "In-Reply-To": "<1445877458-31052-1-git-send-email-viktorin@rehivetech.com>", "References": "<1445877458-31052-1-git-send-email-viktorin@rehivetech.com>", "Cc": "Vlastimil Kosar <kosar@rehivetech.com>", "Subject": "[dpdk-dev] [PATCH v2 07/16] eal/arm: spinlock operations for ARM\n\t(without HTM)", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <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": "From: Vlastimil Kosar <kosar@rehivetech.com>\n\nThis patch adds spinlock operations for ARM architecture.\nWe do not support HTM in spinlocks on ARM.\n\nSigned-off-by: Vlastimil Kosar <kosar@rehivetech.com>\nSigned-off-by: Jan Viktorin <viktorin@rehivetech.com>\n---\n .../common/include/arch/arm/rte_spinlock.h | 114 +++++++++++++++++++++\n 1 file changed, 114 insertions(+)\n create mode 100644 lib/librte_eal/common/include/arch/arm/rte_spinlock.h", "diff": "diff --git a/lib/librte_eal/common/include/arch/arm/rte_spinlock.h b/lib/librte_eal/common/include/arch/arm/rte_spinlock.h\nnew file mode 100644\nindex 0000000..cd5ab8b\n--- /dev/null\n+++ b/lib/librte_eal/common/include/arch/arm/rte_spinlock.h\n@@ -0,0 +1,114 @@\n+/*\n+ * BSD LICENSE\n+ *\n+ * Copyright(c) 2015 RehiveTech. All rights reserved.\n+ *\n+ * Redistribution and use in source and binary forms, with or without\n+ * modification, are permitted provided that the following conditions\n+ * are met:\n+ *\n+ * * Redistributions of source code must retain the above copyright\n+ * notice, this list of conditions and the following disclaimer.\n+ * * Redistributions in binary form must reproduce the above copyright\n+ * notice, this list of conditions and the following disclaimer in\n+ * the documentation and/or other materials provided with the\n+ * distribution.\n+ * * Neither the name of RehiveTech nor the names of its\n+ * contributors may be used to endorse or promote products derived\n+ * from this software without specific prior written permission.\n+ *\n+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n+ * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n+ */\n+\n+#ifndef _RTE_SPINLOCK_ARM_H_\n+#define _RTE_SPINLOCK_ARM_H_\n+\n+#ifdef __cplusplus\n+extern \"C\" {\n+#endif\n+\n+#include <rte_common.h>\n+#include \"generic/rte_spinlock.h\"\n+\n+/* Intrinsics are used to implement the spinlock on ARM architecture */\n+\n+#ifndef RTE_FORCE_INTRINSICS\n+\n+static inline void\n+rte_spinlock_lock(rte_spinlock_t *sl)\n+{\n+\twhile (__sync_lock_test_and_set(&sl->locked, 1))\n+\t\twhile (sl->locked)\n+\t\t\trte_pause();\n+}\n+\n+static inline void\n+rte_spinlock_unlock(rte_spinlock_t *sl)\n+{\n+\t__sync_lock_release(&sl->locked);\n+}\n+\n+static inline int\n+rte_spinlock_trylock(rte_spinlock_t *sl)\n+{\n+\treturn (__sync_lock_test_and_set(&sl->locked, 1) == 0);\n+}\n+\n+#endif\n+\n+static inline int rte_tm_supported(void)\n+{\n+\treturn 0;\n+}\n+\n+static inline void\n+rte_spinlock_lock_tm(rte_spinlock_t *sl)\n+{\n+\trte_spinlock_lock(sl); /* fall-back */\n+}\n+\n+static inline int\n+rte_spinlock_trylock_tm(rte_spinlock_t *sl)\n+{\n+\treturn rte_spinlock_trylock(sl);\n+}\n+\n+static inline void\n+rte_spinlock_unlock_tm(rte_spinlock_t *sl)\n+{\n+\trte_spinlock_unlock(sl);\n+}\n+\n+static inline void\n+rte_spinlock_recursive_lock_tm(rte_spinlock_recursive_t *slr)\n+{\n+\trte_spinlock_recursive_lock(slr); /* fall-back */\n+}\n+\n+static inline void\n+rte_spinlock_recursive_unlock_tm(rte_spinlock_recursive_t *slr)\n+{\n+\trte_spinlock_recursive_unlock(slr);\n+}\n+\n+static inline int\n+rte_spinlock_recursive_trylock_tm(rte_spinlock_recursive_t *slr)\n+{\n+\treturn rte_spinlock_recursive_trylock(slr);\n+}\n+\n+#ifdef __cplusplus\n+}\n+#endif\n+\n+#endif /* _RTE_SPINLOCK_ARM_H_ */\n", "prefixes": [ "dpdk-dev", "v2", "07/16" ] }{ "id": 8025, "url": "