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Fri, 27 Nov 2020 16:49:19 +0000 Date: Fri, 27 Nov 2020 12:49:17 -0400 From: Jason Gunthorpe To: Weihang Li CC: , , , Subject: Re: [PATCH v3 for-next] RDMA/hns: Create QP with selected QPN for bank load balance Message-ID: <20201127164917.GA675120@nvidia.com> References: <1606220649-1465-1-git-send-email-liweihang@huawei.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1606220649-1465-1-git-send-email-liweihang@huawei.com> X-ClientProxiedBy: MN2PR13CA0023.namprd13.prod.outlook.com (2603:10b6:208:160::36) To DM6PR12MB3834.namprd12.prod.outlook.com (2603:10b6:5:14a::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mlx.ziepe.ca (156.34.48.30) by MN2PR13CA0023.namprd13.prod.outlook.com (2603:10b6:208:160::36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3632.9 via Frontend Transport; Fri, 27 Nov 2020 16:49:18 +0000 Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kigvt-002pdl-JV; Fri, 27 Nov 2020 12:49:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1606495768; bh=EVZrGtt3Lgf8BXfRjtRlVcpobfgSwuG2IwgA0ndNzDc=; h=ARC-Seal:ARC-Message-Signature:ARC-Authentication-Results:Date: From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:X-ClientProxiedBy:MIME-Version: X-MS-Exchange-MessageSentRepresentingType; b=kM+DGerXyRyHdFsZwwJJ0tMk9pjXmqZgF+EXS0nR/aMT4l4k5NKs/lky0Qa9TIA6B xF/3poa3YUbAZRmawmv+7lvFXBLiUtoGRFP/DSpPlwyC3vsJ+z6Y2DWSMj8we70Gd5 zHNFVJV3FN7tKItwiACjjAGfqYtvRVEIVeaaZ3+0j96HdYesmErG19KHXUv+oTyvot UWDuQWyUXZkin5dhyrdApSpGJX+x2eJsKEeF/+EWv4si2645pLt5yHchFtuiqDt7a0 WHDmnHxwfJWnlBeE6NvEKllnUkfclLQQkAe12JFjf/2WjNn9xBVq84djjWfngS67a5 FrQfri9Z0afqA== Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Tue, Nov 24, 2020 at 08:24:09PM +0800, Weihang Li wrote: > From: Yangyang Li > > In order to improve performance by balancing the load between different > banks of cache, the QPC cache is desigend to choose one of 8 banks > according to lower 3 bits of QPN. The hns driver needs to count the number > of QP on each bank and then assigns the QP being created to the bank with > the minimum load first. > > Signed-off-by: Yangyang Li > Signed-off-by: Weihang Li > --- Applied to for-next, thanks Jason