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 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 AFF64C43458 for ; Mon, 6 Jul 2026 18:56:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=q4zluGVeKdD4Rc/Sqmk60Q7TxGgIc5ir2G9jBeTb0LI=; b=eTl39iCP86/zo+T/cYEScglygV xnmufxjSeQ9JvY8ojyYBmcEcnOJoYLnGoYtUcz/eRL8myplDvDQmi4XWIiqcCaJoX00e00g26Qgb7 Sj33hApkHi44sAgaHD23nqumuVPrYZ69Lj1tRNMCGeKmHEHFK4JkOCLjLjlsaHM07TbGoYUIvUCVm slJakVrsytFM7F7ZVs6TqeXO06siZrBTzXOy+0mwIaubAi7eBSwP/MnKVIPpt2bKWKxT1NoWhdgHF cVC7w+zthe+a7z31/E3ZNDvuMEAVocacKCAS+WmdycFWfuP7sNVHlwijyQxi7M9l5Fy+l1NGIXwq/ HdjDfDSg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgoUc-0000000DOQH-31sP; Mon, 06 Jul 2026 18:56:34 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgoUc-0000000DOQA-1JnD for linux-nvme@lists.infradead.org; Mon, 06 Jul 2026 18:56:34 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 0A65B436FF; Mon, 6 Jul 2026 18:56:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 921601F000E9; Mon, 6 Jul 2026 18:56:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783364193; bh=q4zluGVeKdD4Rc/Sqmk60Q7TxGgIc5ir2G9jBeTb0LI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=hgtx63RfWAQ8Ja1qDXSR75yrN4PWDRSFz9QF0MJFFHuW8Yc0gQZbAT+LwkoaB0hJJ tmo4t2G8ZDwnnChxkEbXk2Qg9K4nRMLScOs+gNByw/oDBwU+y5qtUpJafasgKyggcY n4wlJOZ3q9jQmr2IuB23aaqlCFDHxESDwlWGOjQN7g3X6q3Kvv8NWwgPLlNAWIEV3/ wHR/1VQDrMCGVWaut9G9tWXFoTs8fWRBaBEXL2dQVply9fl4o+SzYCK3IqlJg0i/zL aGqiK8Tm/gyk+yPkfXSIL+b5OXorjARoeJtsQ7vHQVSQYgStxyNS7l6s+LfYtw8BJW S3ajH6qI2yktQ== Date: Mon, 6 Jul 2026 12:56:32 -0600 From: Keith Busch To: Surabhi Gogte Cc: Christoph Hellwig , Jens Axboe , Sagi Grimberg , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, mkhalfella@purestorage.com, randyj@purestorage.com, adailey@purestorage.com Subject: Re: [PATCH v4 0/2] nvme-rdma: parallelize I/O queue setup Message-ID: References: <20260627041551.1981256-1-sgogte@purestorage.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260627041551.1981256-1-sgogte@purestorage.com> X-BeenThere: linux-nvme@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-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Fri, Jun 26, 2026 at 10:15:49PM -0600, Surabhi Gogte wrote: > This patch series parallelizes nvme-rdma connection and reconnection by > setting up I/O queues in parallel instead of sequentially. Allocation and > startup of each queue are combined into a single per-queue async work > item, so per-queue connection latency overlaps across all queues. This > matters most on high-core-count hosts with many I/O queues, where serial > setup dominates connect time. Thanks, applied to nvme-7.3.