From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84797C63684 for ; Wed, 26 Jan 2022 15:29:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242817AbiAZP3S (ORCPT ); Wed, 26 Jan 2022 10:29:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242812AbiAZP3S (ORCPT ); Wed, 26 Jan 2022 10:29:18 -0500 Received: from mail-qt1-x832.google.com (mail-qt1-x832.google.com [IPv6:2607:f8b0:4864:20::832]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C453C06173B for ; Wed, 26 Jan 2022 07:29:18 -0800 (PST) Received: by mail-qt1-x832.google.com with SMTP id i4so30380qtr.0 for ; Wed, 26 Jan 2022 07:29:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=94JjWf2A/43cH5ClxjuEuaZiDW/s6CFdqrvtlWdjSgU=; b=WhNCJpaNuQaNIWufyFaNSPxgr0aEzT4bzWNo/OUXDQp7qwCMVUt79Fx8fJFjBJ00Xt tuaPva46Vtap2WuaMQxzq0F5kT8uROv68JH8d06LwHmu0LXg0kwNbYwQ9KRnwM9HGCKU OpKOS0DQHwJJv/N0cWhfpLDuvtmWZo7gLxf+aWfO8MQDKEOlkrVcRitptq31x6lwb8Jr fVDvKHz8FAXoU26wizTFR1+Ux6l2G/ziFORP4U4rm69E0MS5sbX7xtW7DeHwkAQN2Wzc UON9MSvA5Eofo+ALc/4a4+iZ6ymAtygjiPZa+1J4t3D4NwqiPCirHSmhaO11bUi3wfr9 6gGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=94JjWf2A/43cH5ClxjuEuaZiDW/s6CFdqrvtlWdjSgU=; b=bAIUo4P4tHaVb11zRekC/7VNnbZq1gXPNI1Flm2ZWT3DidvA0nE6NlJi8WnMKRhIQd jejsGMXzelJ+96qZGiZoQJ1djn+K/4PeIhrE4k5p/Y2n56m7HiB9huFSJ7uP+sSyqpnb dqXfdYvdctV3mWoI63d7ZTwsQctnQcD+ucnIqkkG+kcQKk4UIah9xNx9AjClFVlwzz5k ErOHBQrPnOTHsWEyjrBqCLLas8uCkANob9UPGaWWx4YsyNOoDlNXzn3STi2NMqIxr6fa bNyxcK/WqROoC4hiu9YNvCixnq0IjU0uE2s9EBdvZ5NkW073HIrFimQv7yZGMkEDfm4d nqBQ== X-Gm-Message-State: AOAM532wf9KjtsDhTYhRxSc5hOZt9CoJDXSALzjYIytPQqqUqwAlrf1d lQPAXhiKaHXo70Cy2ZHZNy7Lmw== X-Google-Smtp-Source: ABdhPJy8QZgx5k0zaoJJs4SXlIGB55HnSc9nmDoDtSJDUcyJKC4GqbwJNLgLgbnoH2pUqfDvBRoffQ== X-Received: by 2002:ac8:5dca:: with SMTP id e10mr3962546qtx.272.1643210957301; Wed, 26 Jan 2022 07:29:17 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-162-113-129.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.162.113.129]) by smtp.gmail.com with ESMTPSA id l10sm11335305qkj.83.2022.01.26.07.29.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jan 2022 07:29:16 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1nCkEW-005Zci-3F; Wed, 26 Jan 2022 11:29:16 -0400 Date: Wed, 26 Jan 2022 11:29:16 -0400 From: Jason Gunthorpe To: Tony Lu Cc: kgraul@linux.ibm.com, kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org Subject: Re: [PATCH net-next 0/2] net/smc: Spread workload over multiple cores Message-ID: <20220126152916.GO8034@ziepe.ca> References: <20220126130140.66316-1-tonylu@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220126130140.66316-1-tonylu@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Jan 26, 2022 at 09:01:39PM +0800, Tony Lu wrote: > Currently, SMC creates one CQ per IB device, and shares this cq among > all the QPs of links. Meanwhile, this CQ is always binded to the first > completion vector, the IRQ affinity of this vector binds to some CPU > core. As we said in the RFC discussion this should be updated to use the proper core APIS, not re-implement them in a driver like this. Jason