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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by DS1PEPF00017094.mail.protection.outlook.com (10.167.17.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6933.15 via Frontend Transport; Sun, 22 Oct 2023 14:28:13 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Sun, 22 Oct 2023 07:27:58 -0700 Received: from nvidia.com (10.126.231.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Sun, 22 Oct 2023 07:27:57 -0700 From: Xueming Li To: Pavan Nikhilesh CC: dpdk stable Subject: patch 'event/cnxk: fix CASP usage for clang' has been queued to stable release 22.11.4 Date: Sun, 22 Oct 2023 22:21:24 +0800 Message-ID: <20231022142250.10324-56-xuemingl@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231022142250.10324-1-xuemingl@nvidia.com> References: <20231022142250.10324-1-xuemingl@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.126.231.35] X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF00017094:EE_|PH8PR12MB7207:EE_ X-MS-Office365-Filtering-Correlation-Id: 77286e36-dae2-4ca3-7657-08dbd30b1ff7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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SFS:(13230031)(4636009)(396003)(346002)(376002)(136003)(39860400002)(230922051799003)(64100799003)(186009)(82310400011)(451199024)(1800799009)(40470700004)(36840700001)(46966006)(40480700001)(7696005)(55016003)(8936002)(5660300002)(53546011)(40460700003)(4326008)(8676002)(426003)(36756003)(82740400003)(83380400001)(2906002)(26005)(1076003)(336012)(4001150100001)(2616005)(16526019)(6286002)(47076005)(86362001)(36860700001)(356005)(7636003)(6666004)(6916009)(478600001)(316002)(70206006)(70586007)(966005)(41300700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Oct 2023 14:28:13.5907 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 77286e36-dae2-4ca3-7657-08dbd30b1ff7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF00017094.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR12MB7207 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Hi, FYI, your patch has been queued to stable release 22.11.4 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 11/15/23. So please shout if anyone has objections. Also note that after the patch there's a diff of the upstream commit vs the patch applied to the branch. This will indicate if there was any rebasing needed to apply to the stable branch. If there were code changes for rebasing (ie: not only metadata diffs), please double check that the rebase was correctly done. Queued patches are on a temporary branch at: https://git.dpdk.org/dpdk-stable/log/?h=22.11-staging This queued commit can be viewed at: https://git.dpdk.org/dpdk-stable/commit/?h=22.11-staging&id=15b1bc964b4e369724224f0b6cf3737341ad0cd3 Thanks. Xueming Li --- >From 15b1bc964b4e369724224f0b6cf3737341ad0cd3 Mon Sep 17 00:00:00 2001 From: Pavan Nikhilesh Date: Mon, 24 Jul 2023 14:11:56 +0530 Subject: [PATCH] event/cnxk: fix CASP usage for clang Cc: Xueming Li [ upstream commit 694e8e643de3c763216bb5cc187fb9be0c520f92 ] Clang fails to use register pairs for CASP instruction, use inline asm to fix register pairs. Fixes: e239e0d3faf7 ("event/cnxk: add SSO HW device operations") Signed-off-by: Pavan Nikhilesh --- drivers/event/cnxk/cn10k_worker.h | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/event/cnxk/cn10k_worker.h b/drivers/event/cnxk/cn10k_worker.h index a93d40ed40..1bce0631e5 100644 --- a/drivers/event/cnxk/cn10k_worker.h +++ b/drivers/event/cnxk/cn10k_worker.h @@ -300,19 +300,32 @@ cn10k_sso_hws_get_work(struct cn10k_sso_hws *ws, struct rte_event *ev, } gw; gw.get_work = ws->gw_wdata; -#if defined(RTE_ARCH_ARM64) && !defined(__clang__) +#if defined(RTE_ARCH_ARM64) +#if !defined(__clang__) asm volatile( PLT_CPU_FEATURE_PREAMBLE "caspal %[wdata], %H[wdata], %[wdata], %H[wdata], [%[gw_loc]]\n" : [wdata] "+r"(gw.get_work) : [gw_loc] "r"(ws->base + SSOW_LF_GWS_OP_GET_WORK0) : "memory"); +#else + register uint64_t x0 __asm("x0") = (uint64_t)gw.u64[0]; + register uint64_t x1 __asm("x1") = (uint64_t)gw.u64[1]; + asm volatile(".arch armv8-a+lse\n" + "caspal %[x0], %[x1], %[x0], %[x1], [%[dst]]\n" + : [x0] "+r"(x0), [x1] "+r"(x1) + : [dst] "r"(ws->base + SSOW_LF_GWS_OP_GET_WORK0) + : "memory"); + gw.u64[0] = x0; + gw.u64[1] = x1; +#endif #else plt_write64(gw.u64[0], ws->base + SSOW_LF_GWS_OP_GET_WORK0); do { roc_load_pair(gw.u64[0], gw.u64[1], ws->base + SSOW_LF_GWS_WQE0); } while (gw.u64[0] & BIT_ULL(63)); + rte_atomic_thread_fence(__ATOMIC_SEQ_CST); #endif ws->gw_rdata = gw.u64[0]; if (gw.u64[1]) -- 2.25.1 --- Diff of the applied patch vs upstream commit (please double-check if non-empty: --- --- - 2023-10-22 22:17:36.439761700 +0800 +++ 0055-event-cnxk-fix-CASP-usage-for-clang.patch 2023-10-22 22:17:34.266723700 +0800 @@ -1 +1 @@ -From 694e8e643de3c763216bb5cc187fb9be0c520f92 Mon Sep 17 00:00:00 2001 +From 15b1bc964b4e369724224f0b6cf3737341ad0cd3 Mon Sep 17 00:00:00 2001 @@ -4,0 +5,3 @@ +Cc: Xueming Li + +[ upstream commit 694e8e643de3c763216bb5cc187fb9be0c520f92 ] @@ -10 +12,0 @@ -Cc: stable@dpdk.org @@ -18 +20 @@ -index 46bfa9dd9d..30290ddd06 100644 +index a93d40ed40..1bce0631e5 100644 @@ -21 +23 @@ -@@ -249,19 +249,32 @@ cn10k_sso_hws_get_work(struct cn10k_sso_hws *ws, struct rte_event *ev, +@@ -300,19 +300,32 @@ cn10k_sso_hws_get_work(struct cn10k_sso_hws *ws, struct rte_event *ev,