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 604CBD65C7E for ; Thu, 14 Nov 2024 12:12:14 +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=L/zV2KAxpZjydWsNw57XwUMhutjZiU+Vw7I7EOnl0yY=; b=mG3xBt7VX2qzP1mJ6v19BcT6uY J0cWJmLh9MDCtxobs1Icpp9jaKW9X4pHMEFIqydRZO2kyUG9FkzKu1uJWAFZ0cVxvAU9wJsm5cPFi /IZGMhOK6MghiXF8A+7kp4Kj0lWj2p+Xrm4J/WsqtGVzQEvwMKrF4va82lZz8aIwa4HrS0dylLwDY pe1AXzmyc9jZzYYLSPcnxkuiksQm/I2yNZoQzf8Kh7l5Rr3mxmuHmHSuDb2w5j0o4/UC8irF7pqiL sLodngAA2HT0bA2VKlMsq45kCsjPJFz1oolV7kQLfIvmTnhEfBwduRDqM89Ft6dPEOlAzGkSQ7NEc dAZLSBLw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tBYhm-00000009rgY-035P; Thu, 14 Nov 2024 12:12:10 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tBYhY-00000009rcJ-0Qnx for linux-nvme@lists.infradead.org; Thu, 14 Nov 2024 12:12:07 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 47A2568C7B; Thu, 14 Nov 2024 13:11:47 +0100 (CET) Date: Thu, 14 Nov 2024 13:11:47 +0100 From: Christoph Hellwig To: Daniel Wagner Cc: Ming Lei , Daniel Wagner , Jens Axboe , Bjorn Helgaas , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?iso-8859-1?Q?P=E9rez?= , "Martin K. Petersen" , Keith Busch , Christoph Hellwig , Sagi Grimberg , John Garry , Greg Kroah-Hartman , Hannes Reinecke , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, virtualization@lists.linux.dev, linux-scsi@vger.kernel.org, megaraidlinux.pdl@broadcom.com, mpi3mr-linuxdrv.pdl@broadcom.com, MPT-FusionLinux.pdl@broadcom.com, storagedev@microchip.com, linux-nvme@lists.infradead.org Subject: Re: [PATCH v4 05/10] blk-mq: introduce blk_mq_hctx_map_queues Message-ID: <20241114121147.GA3074@lst.de> References: <20241113-refactor-blk-affinity-helpers-v4-0-dd3baa1e267f@kernel.org> <20241113-refactor-blk-affinity-helpers-v4-5-dd3baa1e267f@kernel.org> <9fa26099-1922-4b99-883e-bd5f6c58162a@flourine.local> <4bd491e5-fab5-4e94-8719-560b5a4de01e@flourine.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4bd491e5-fab5-4e94-8719-560b5a4de01e@flourine.local> 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-20241114_041156_319175_40FAF94B X-CRM114-Status: GOOD ( 15.30 ) 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 Thu, Nov 14, 2024 at 01:06:49PM +0100, Daniel Wagner wrote: > Oh, I was not aware of this ordering. And after digging this up here: > > https://lore.kernel.org/all/20060105142951.13.01@flint.arm.linux.org.uk/ > > I don't think we it's worthwhile to add the callback to device_driver > just for hisi_sas_v2. So I am going to drop this part again. Yes, I don't really see how querying driver specific information like this from code called by the driver make much sense.