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 B6567D75BA6 for ; Thu, 21 Nov 2024 03:10:02 +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=i7WppD/Sc+LMLfzM3iKsXvqQTAszek1AB3KYAwb4TXA=; b=a3tScdp2stGrdAZDXhJOCaSilN rCw+NeUXMIso8Wncfzd/KzUkutnvfpZqZC/vnxW/kG1qovcsg0hOBdZSgo238IkMZ88XFBgOmhAAs r1QpcJ7t+rMJ1BNhu9B2ZHN2EJlH/7q/HrX35gY9P9we/ZWFUsHNRjHPMUiA0GpFDrBx+8DXk3Cmk DEM/lTWYkLGdx39Bsl0kT9qiFOtv5O2Yvq5rkvdQEeu+jvD78uxolMNVUzDsJbDT6ftAYvDsiJfWM FpdpkvthYPVOL4zD9dKE5+m3x87KDtxSNodu31N/YllLuYU7GKCaF44wu5CNXQXcqV42wrUpSnUqr 4OVq0fNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tDxZw-0000000GfFN-1xar; Thu, 21 Nov 2024 03:10:00 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tDxZu-0000000GfEh-0EpN for linux-nvme@lists.infradead.org; Thu, 21 Nov 2024 03:09:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1732158595; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=i7WppD/Sc+LMLfzM3iKsXvqQTAszek1AB3KYAwb4TXA=; b=Vj87BFSEM8DZulp97VQY4ELiBiMWYUVS0IBYN8fL/ouuq33i4nLXQvybeG0XtXu7ObmR3S 0YW25voqsdraFLiY8r4ryPJjm2FtSFcHJjhGAJ4nusPvA4ixRMPcf7uoe2MX4Nh9eRfUwe TSdiOwZIts/xMEwf5l5XFqEhj841P1Q= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-449-PVOQQv3VNfO2ZHF52GjPdA-1; Wed, 20 Nov 2024 22:09:52 -0500 X-MC-Unique: PVOQQv3VNfO2ZHF52GjPdA-1 X-Mimecast-MFC-AGG-ID: PVOQQv3VNfO2ZHF52GjPdA Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A544219560A3; Thu, 21 Nov 2024 03:09:48 +0000 (UTC) Received: from fedora (unknown [10.72.116.87]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3D18430000DF; Thu, 21 Nov 2024 03:09:33 +0000 (UTC) Date: Thu, 21 Nov 2024 11:09:27 +0800 From: Ming Lei To: Daniel Wagner Cc: 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 v5 4/8] blk-mq: introduce blk_mq_map_hw_queues Message-ID: References: <20241115-refactor-blk-affinity-helpers-v5-0-c472afd84d9f@kernel.org> <20241115-refactor-blk-affinity-helpers-v5-4-c472afd84d9f@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241115-refactor-blk-affinity-helpers-v5-4-c472afd84d9f@kernel.org> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241120_190958_170626_701C91B1 X-CRM114-Status: GOOD ( 14.50 ) 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, Nov 15, 2024 at 05:37:48PM +0100, Daniel Wagner wrote: > blk_mq_pci_map_queues and blk_mq_virtio_map_queues will create a CPU to > hardware queue mapping based on affinity information. These two function > share common code and only differ on how the affinity information is > retrieved. Also, those functions are located in the block subsystem > where it doesn't really fit in. They are virtio and pci subsystem > specific. > > Thus introduce provide a generic mapping function which uses the > irq_get_affinity callback from bus_type. > > Originally idea from Ming Lei > > Reviewed-by: Christoph Hellwig > Reviewed-by: Hannes Reinecke > Signed-off-by: Daniel Wagner Reviewed-by: Ming Lei -- Ming