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 BA2FCC6FD1C for ; Wed, 22 Mar 2023 14:20:19 +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=+SmgjS10bYVgGGd9funAxhCENKaThy2chz6qXAPHaaQ=; b=vhjDPYfGytEj6ajYURsMF4dYY3 rpKpTa+n4uMmCLdbGL+Hzqhb5NHO2YoJC1EiWrIOraatFNd5z4z99yygRwN34kmyUBEmdd7NRwZjh 8M0UuTzpPbElCr3uZ5mM9MInvlANLoUKb2wUtzVc/E/3sRhb8DTptRoHzoOq6ONHPQYnLDC2xhzIN THqXUxYh0G6hbYOhklh/71NW267aiycnfsazGzK0DvNS/tSdZcTqQR908XcNji3UgNW8nmrJj8PKC DVvRXbG874TjI/nMDHCU7yk/yoGinS8514B9Ly7Wn/DOksUjfrbGcB5y9MF/Ea69/ZLkQfchcc67i IlPQpQfg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pezK5-00GGiQ-00; Wed, 22 Mar 2023 14:20:17 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pezK2-00GGhO-16 for linux-nvme@lists.infradead.org; Wed, 22 Mar 2023 14:20:15 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 3758067373; Wed, 22 Mar 2023 15:20:10 +0100 (CET) Date: Wed, 22 Mar 2023 15:20:10 +0100 From: Christoph Hellwig To: Daniel Wagner Cc: Christoph Hellwig , Keith Busch , linux-block@vger.kernel.org, axboe@kernel.dk, linux-nvme@lists.infradead.org, sagi@grimberg.me, Keith Busch Subject: Re: [PATCH 2/3] nvme: add polling options for loop target Message-ID: <20230322142010.GA18721@lst.de> References: <20230322002350.4038048-1-kbusch@meta.com> <20230322002350.4038048-3-kbusch@meta.com> <20230322082310.GA22782@lst.de> <20230322084651.xmnup2ag3ve6jr3a@carbon.lan> <20230322135200.GA16587@lst.de> <20230322140619.zy2msly7mcuwgo6a@carbon.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230322140619.zy2msly7mcuwgo6a@carbon.lan> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230322_072014_525482_59CF2939 X-CRM114-Status: GOOD ( 16.61 ) 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 Wed, Mar 22, 2023 at 03:06:19PM +0100, Daniel Wagner wrote: > On Wed, Mar 22, 2023 at 02:52:00PM +0100, Christoph Hellwig wrote: > > Who says that we could support polling on all current and future > > fabrics transports? > > I just assumed this is a generic feature supposed to present in all transports. > I'll update my new blktest test to run only tcp or rdma. The best idea would be to do a trival and error, that is do a _notrun if trying to create a connection with the options fails.