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GET /api/patches/66561/?format=api
{ "id": 66561, "url": "https://patches.dpdk.org/api/patches/66561/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/4099DE2E54AFAD489356C6C9161D53339729FF27@DGGEML502-MBX.china.huawei.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": "<4099DE2E54AFAD489356C6C9161D53339729FF27@DGGEML502-MBX.china.huawei.com>", "list_archive_url": "https://inbox.dpdk.org/dev/4099DE2E54AFAD489356C6C9161D53339729FF27@DGGEML502-MBX.china.huawei.com", "date": "2020-03-12T01:08:33", "name": "[v7] eal/arm64: fix rdtsc precise version", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "3635e6ab585a118e601ed8a207c3601fbfeaf034", "submitter": { "id": 69, "url": "https://patches.dpdk.org/api/people/69/?format=api", "name": "Linhaifeng", "email": "haifeng.lin@huawei.com" }, "delegate": { "id": 24651, "url": "https://patches.dpdk.org/api/users/24651/?format=api", "username": "dmarchand", "first_name": "David", "last_name": "Marchand", "email": "david.marchand@redhat.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/4099DE2E54AFAD489356C6C9161D53339729FF27@DGGEML502-MBX.china.huawei.com/mbox/", "series": [ { "id": 8890, "url": "https://patches.dpdk.org/api/series/8890/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=8890", "date": "2020-03-12T01:08:33", "name": "[v7] eal/arm64: fix rdtsc precise version", "version": 7, "mbox": "https://patches.dpdk.org/series/8890/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/66561/comments/", "check": "warning", "checks": "https://patches.dpdk.org/api/patches/66561/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 dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 7D0E7A056B;\n\tThu, 12 Mar 2020 02:08:48 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id EC8251BF7F;\n\tThu, 12 Mar 2020 02:08:47 +0100 (CET)", "from huawei.com (szxga02-in.huawei.com [45.249.212.188])\n by dpdk.org (Postfix) with ESMTP id 6C3853B5\n for <dev@dpdk.org>; Thu, 12 Mar 2020 02:08:46 +0100 (CET)", "from DGGEML402-HUB.china.huawei.com (unknown [172.30.72.54])\n by Forcepoint Email with ESMTP id 22D397F0B4044E041039;\n Thu, 12 Mar 2020 09:08:45 +0800 (CST)", "from DGGEML421-HUB.china.huawei.com (10.1.199.38) by\n DGGEML402-HUB.china.huawei.com (10.3.17.38) with Microsoft SMTP Server (TLS)\n id 14.3.439.0; Thu, 12 Mar 2020 09:08:44 +0800", "from DGGEML502-MBX.china.huawei.com ([169.254.2.18]) by\n dggeml421-hub.china.huawei.com ([10.1.199.38]) with mapi id 14.03.0439.000;\n Thu, 12 Mar 2020 09:08:36 +0800" ], "From": "Linhaifeng <haifeng.lin@huawei.com>", "To": "Jerin Jacob <jerinjacobk@gmail.com>", "CC": "Gavin Hu <Gavin.Hu@arm.com>, \"dev@dpdk.org\" <dev@dpdk.org>,\n \"thomas@monjalon.net\" <thomas@monjalon.net>, chenchanghu\n <chenchanghu@huawei.com>, xudingke <xudingke@huawei.com>, \"Lilijun (Jerry)\"\n <jerry.lilijun@huawei.com>, Honnappa Nagarahalli\n <Honnappa.Nagarahalli@arm.com>, Steve Capper <Steve.Capper@arm.com>, nd\n <nd@arm.com>", "Thread-Topic": "[PATCH v7] eal/arm64: fix rdtsc precise version", "Thread-Index": "AdX4Cr2Il6kbPchPR6OCFFHoSee52Q==", "Date": "Thu, 12 Mar 2020 01:08:33 +0000", "Message-ID": "\n <4099DE2E54AFAD489356C6C9161D53339729FF27@DGGEML502-MBX.china.huawei.com>", "Accept-Language": "en-GB, zh-CN, en-US", "Content-Language": "zh-CN", "X-MS-Has-Attach": "", "X-MS-TNEF-Correlator": "", "x-originating-ip": "[10.133.215.248]", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "MIME-Version": "1.0", "X-CFilter-Loop": "Reflected", "Subject": "[dpdk-dev] [PATCH v7] eal/arm64: fix rdtsc precise version", "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 <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", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "In order to get more accurate the cntvct_el0 reading,\nSW must invoke isb.\n\nFixes: ccad39ea0712 (\"eal/arm: add cpu cycle operations for ARMv8\")\nCc: stable@dpdk.org\n\nReviewed-by: David Marchand <david.marchand@redhat.com>\nReviewed-by: Jerin Jacob <jerinjacobk@gmail.com>\nReviewed-by: Gavin Hu <gavin.hu@arm.com>\nSigned-off-by: Haifeng Lin <haifeng.lin@huawei.com>\n---\n lib/librte_eal/common/include/arch/arm/rte_cycles_64.h | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/lib/librte_eal/common/include/arch/arm/rte_cycles_64.h b/lib/librte_eal/common/include/arch/arm/rte_cycles_64.h\r\nindex 68e7c7338..da557b6a1 100644\r\n--- a/lib/librte_eal/common/include/arch/arm/rte_cycles_64.h\r\n+++ b/lib/librte_eal/common/include/arch/arm/rte_cycles_64.h\r\n@@ -62,7 +62,7 @@ rte_rdtsc(void)\r\n static inline uint64_t\r\n rte_rdtsc_precise(void)\r\n {\r\n-\trte_mb();\r\n+\tasm volatile(\"isb\" : : : \"memory\");\r\n \treturn rte_rdtsc();\r\n }\r\n \r\n", "prefixes": [ "v7" ] }