From patchwork Wed Feb 21 01:17:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Gunthorpe X-Patchwork-Id: 13564829 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C5B30C48BC4 for ; Wed, 21 Feb 2024 01:17:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NZxlIrolZpDTNZ4G2wXHZyBjMYukoScEEHziAHgPUdk=; b=Dgh56PdCaLhvi2 /57ob4L5IMbV3TFnWNmZRyla9RiVW6K2UoL9xDECTfonnHOvDx3zku09/JBn38pU9YxYm7+IOJ3Pq PuVDMeASrOyiM+JKg+mqtUNXfjQXjdtcf9biOYKPiviYz4oOiY+TadK7rh7uRfz+miXazW59XH9qe ZkR+5ecPMHmVoeH93eRCAEb5QHHpfxnofd9MOyHN2NiiHmPbAZBKGO1QKDLK85HrGVBGlZ/EQ/Wuh B/0yNSxhOcPmgZchuQzDo/wSzTZUyeGzliCTRE16iwPTGdUMlpGhm1vxk2KtKLLXzAGGjteyN1eVc hup6I0EKYOTnkiwCF8HQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcbEm-0000000GihG-2ae6; Wed, 21 Feb 2024 01:17:28 +0000 Received: from mail-mw2nam10on20601.outbound.protection.outlook.com ([2a01:111:f403:2412::601] helo=NAM10-MW2-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rcbEi-0000000GieH-2KMl for linux-arm-kernel@lists.infradead.org; Wed, 21 Feb 2024 01:17:26 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=oM8NrTQ66jERFiZtDH7XbAj9uBemMPkdD5wWN+9tHvyzPUe/pwJuIEkXFo3ZuF9NtLzmzdk+1IVotk8eORNS7XVrKEghzl9wymqI125fKJ2zL0pmmD1jKz/k3e8toVrn/EySPdpA+fXy5KsSteZ4/6Hey1w7TF+fUpNA9/vorT5q0vYyAEVbQzoTg8RaDgujRD/zIw8ppvWbMwKqktxGTpUzjSCzWKKDYWB5aD9ugM0EaWC8wDnJKBd0iiNCFtSrX8a0bFEGHhNRwzUjaPTAf1a4CEfKM17Q0YJB/yWM9V3SovzGatqaHPxw20PKl51Y2PZI8O/A5HPvEP59N3Iavg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=eVx8ZHtyQ2mJAYsBPQbCm/vB3XwsGVOaRto1ttd02Po=; b=Q//ztglfRh4J7l/K53kbH3KIjWUldAQbaKUf/nELDuyBLn4LJrQbgdAIcjnH698DkfRudSf+GDJp6awoXrgV8m8QkHfQxd27FxA288feMlgLmfEJ+aZKyccBiIaZsjUAXdq7Vf1abi7jM+/s2T20MCdSq397ml6Q0uxbjx4kn/1ygsYARFcgAqstBomrvd59eD9jnN614T0ANUj9xr/Hit8kanejPwgBy6n8FHzK6A0BMHSnhWUNraAxZw1Br/qoptD64czAGO/faQ8YJNRyU7mCJNRHjtdRfFxH4TXn10+IOFe5+wjUmgWNrcntaHTNg1eJoxj1IvgKPONIt7ql7w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=eVx8ZHtyQ2mJAYsBPQbCm/vB3XwsGVOaRto1ttd02Po=; b=GTda1vpTZB1x5UgizbvA7xRJbbb8Ls5VC8kTqObIg8zs19GdBs4fOIn98JkgwJpfAPDw/e2Q7H6V6VY412AZpuq/yUnJWUuJmp+Cl9cAxOTsD/jZ2+eHpJVz3kaehCTojUsx9PgF3mfVDhjlirRMJoCbRxmv2zY+yrILt4lLV1tv/uJ8cchMmYeo7i46coXe6/vCmUHcnUlfNnVo34l47TwkJFjsXpc9cp1waOsBfN3s4vv1tXMlMf5x6K0h+udnkOINXdncjmpbhp4SbfKvrlP2cFaZNWmIVIO6uFzx4f3PFeRvfk1Q13LTmsJ13TaOthz0PG4eTc5CfxDLhpuAug== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) by MN0PR12MB5714.namprd12.prod.outlook.com (2603:10b6:208:371::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7316.19; Wed, 21 Feb 2024 01:17:11 +0000 Received: from LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::96dd:1160:6472:9873]) by LV2PR12MB5869.namprd12.prod.outlook.com ([fe80::96dd:1160:6472:9873%6]) with mapi id 15.20.7316.018; Wed, 21 Feb 2024 01:17:11 +0000 From: Jason Gunthorpe To: Alexander Gordeev , Andrew Morton , Christian Borntraeger , Borislav Petkov , Dave Hansen , "David S. Miller" , Eric Dumazet , Gerald Schaefer , Vasily Gorbik , Heiko Carstens , "H. Peter Anvin" , Justin Stitt , Jakub Kicinski , Leon Romanovsky , linux-rdma@vger.kernel.org, linux-s390@vger.kernel.org, llvm@lists.linux.dev, Ingo Molnar , Bill Wendling , Nathan Chancellor , Nick Desaulniers , netdev@vger.kernel.org, Paolo Abeni , Salil Mehta , Jijie Shao , Sven Schnelle , Thomas Gleixner , x86@kernel.org, Yisen Zhuang Cc: Arnd Bergmann , Catalin Marinas , Leon Romanovsky , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Mark Rutland , Michael Guralnik , patches@lists.linux.dev, Niklas Schnelle , Will Deacon Subject: [PATCH 5/6] net: hns3: Remove io_stop_wc() calls after __iowrite64_copy() Date: Tue, 20 Feb 2024 21:17:09 -0400 Message-ID: <5-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com> In-Reply-To: <0-v1-38290193eace+5-mlx5_arm_wc_jgg@nvidia.com> References: X-ClientProxiedBy: BL1P223CA0001.NAMP223.PROD.OUTLOOK.COM (2603:10b6:208:2c4::6) To LV2PR12MB5869.namprd12.prod.outlook.com (2603:10b6:408:176::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV2PR12MB5869:EE_|MN0PR12MB5714:EE_ X-MS-Office365-Filtering-Correlation-Id: dff2ebf8-f514-48e1-b9df-08dc327ad476 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV2PR12MB5869.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(921011);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: dff2ebf8-f514-48e1-b9df-08dc327ad476 X-MS-Exchange-CrossTenant-AuthSource: LV2PR12MB5869.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Feb 2024 01:17:11.3342 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: v5LgyTOVv825kQghPkcnCtymbkdgi2WgvQTEqFJhv6pL8ulD/iTEOXT9wFWQB7k0 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5714 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240220_171724_604030_C966AC84 X-CRM114-Status: UNSURE ( 9.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that the ARM64 arch implementation does the DGH as part of __iowrite64_copy() there is no reason to open code this in drivers. Signed-off-by: Jason Gunthorpe Reviewed-by: Jijie Shao --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index f1695c889d3a07..ff556c2b5bacb4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2068,8 +2068,6 @@ static void hns3_tx_push_bd(struct hns3_enet_ring *ring, int num) __iowrite64_copy(ring->tqp->mem_base, desc, (sizeof(struct hns3_desc) * HNS3_MAX_PUSH_BD_NUM) / HNS3_BYTES_PER_64BIT); - - io_stop_wc(); } static void hns3_tx_mem_doorbell(struct hns3_enet_ring *ring) @@ -2088,8 +2086,6 @@ static void hns3_tx_mem_doorbell(struct hns3_enet_ring *ring) u64_stats_update_begin(&ring->syncp); ring->stats.tx_mem_doorbell += ring->pending_buf; u64_stats_update_end(&ring->syncp); - - io_stop_wc(); } static void hns3_tx_doorbell(struct hns3_enet_ring *ring, int num,