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 7FA2DD78329 for ; Mon, 2 Dec 2024 14:02:47 +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:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/HtyTcI2Sy968oeRGfbYcttfal5tc8YNnSLWURk7VDY=; b=Seby/zDMUXlT6EH7RpU9RhzC9d 5FIFNIne0Bv8PxOVb5XgaxfTq9USt6iVIPayED58N2hYpVgjLgvQ694jN16bjgxG78Uo/V0oneTlq wl6HbLQhE1rpaaz6HWCuk4I+lqfGLl2kMVDkhm3jUOuPflTWRfuEsNftw2VS8Gia/kYuBlTxoV/tz NGcpj0SMVzaLclf8uvjVwvwwSwn9Bw5ZFiYAsev6EkAJrBvjGv56sMCXF+knxA7Py+sZKkqtyeLBG fg6rZtoLkTu6lmpZcw4w5jb6f50eoS5nz96lGelTh0aAohOWd8aQ7rYuWOc5ZHoQp71eK4fVAFPQA i4MyTXzg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tI70f-00000006Kyb-3S3q; Mon, 02 Dec 2024 14:02:45 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tI6yl-00000006KU5-2qe9 for linux-nvme@lists.infradead.org; Mon, 02 Dec 2024 14:00:48 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 1B0B85C070E; Mon, 2 Dec 2024 14:00:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7EC0AC4CED1; Mon, 2 Dec 2024 14:00:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733148046; bh=GgBXOt/yTNJCKGurhv9gWr0yQvLzy+TZ2LlXcvom+9s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=lJFxR3eyMIUSBNjOr5Qk7RXrDNutHXUb+GQd/pL/xAmrg1N81vj+j00HXpvQo75e4 JIOzDPoourZKz87zKFPXBhx3M8zr8sCYR3x+T0kAMfU8AQlDXT/GuQN4STpjfWtYZT 0g+LjsLTU9ooOXXxhNd6+TybvftS8ENh1Nz9wzhCqDwVOSiCxsWsc/gowY7Giap9uE gYrKHLuf4EAxCLuDKdWESxy7T5n/+jQ2JhLWrnrsQIqtxVwGE4uOtukXkyYrM2uafA T15kogr+0BSU5l54et6cfwy3HhkcoyJZol699sGMqsfQszXkOkEH4jdRfcKb1nRRrv N5dihk7Je5h3A== From: Daniel Wagner Date: Mon, 02 Dec 2024 15:00:16 +0100 Subject: [PATCH v6 8/8] blk-mq: remove unused queue mapping helpers MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241202-refactor-blk-affinity-helpers-v6-8-27211e9c2cd5@kernel.org> References: <20241202-refactor-blk-affinity-helpers-v6-0-27211e9c2cd5@kernel.org> In-Reply-To: <20241202-refactor-blk-affinity-helpers-v6-0-27211e9c2cd5@kernel.org> To: Jens Axboe , Bjorn Helgaas , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?utf-8?q?Eugenio_P=C3=A9rez?= , "Martin K. Petersen" , Keith Busch , Christoph Hellwig , Sagi Grimberg , John Garry , Greg Kroah-Hartman , Hannes Reinecke , Ming Lei Cc: 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, Daniel Wagner X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241202_060047_809037_AF355E13 X-CRM114-Status: GOOD ( 15.06 ) 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 There are no users left of the pci and virtio queue mapping helpers. Thus remove them. Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Reviewed-by: Ming Lei Reviewed-by: John Garry Signed-off-by: Daniel Wagner --- block/Makefile | 2 -- block/blk-mq-pci.c | 46 ------------------------------------------- block/blk-mq-virtio.c | 46 ------------------------------------------- include/linux/blk-mq-pci.h | 11 ----------- include/linux/blk-mq-virtio.h | 11 ----------- 5 files changed, 116 deletions(-) diff --git a/block/Makefile b/block/Makefile index ddfd21c1a9ffc9c4f49efca9875bd8a1cbf81e4d..33748123710b368a1a3a7b099bbd90d27b24c69b 100644 --- a/block/Makefile +++ b/block/Makefile @@ -27,8 +27,6 @@ bfq-y := bfq-iosched.o bfq-wf2q.o bfq-cgroup.o obj-$(CONFIG_IOSCHED_BFQ) += bfq.o obj-$(CONFIG_BLK_DEV_INTEGRITY) += bio-integrity.o blk-integrity.o t10-pi.o -obj-$(CONFIG_BLK_MQ_PCI) += blk-mq-pci.o -obj-$(CONFIG_BLK_MQ_VIRTIO) += blk-mq-virtio.o obj-$(CONFIG_BLK_DEV_ZONED) += blk-zoned.o obj-$(CONFIG_BLK_WBT) += blk-wbt.o obj-$(CONFIG_BLK_DEBUG_FS) += blk-mq-debugfs.o diff --git a/block/blk-mq-pci.c b/block/blk-mq-pci.c deleted file mode 100644 index d47b5c73c9eb715be7627a2952ad0ef921dd5bc6..0000000000000000000000000000000000000000 --- a/block/blk-mq-pci.c +++ /dev/null @@ -1,46 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2016 Christoph Hellwig. - */ -#include -#include -#include -#include -#include - -#include "blk-mq.h" - -/** - * blk_mq_pci_map_queues - provide a default queue mapping for PCI device - * @qmap: CPU to hardware queue map. - * @pdev: PCI device associated with @set. - * @offset: Offset to use for the pci irq vector - * - * This function assumes the PCI device @pdev has at least as many available - * interrupt vectors as @set has queues. It will then query the vector - * corresponding to each queue for it's affinity mask and built queue mapping - * that maps a queue to the CPUs that have irq affinity for the corresponding - * vector. - */ -void blk_mq_pci_map_queues(struct blk_mq_queue_map *qmap, struct pci_dev *pdev, - int offset) -{ - const struct cpumask *mask; - unsigned int queue, cpu; - - for (queue = 0; queue < qmap->nr_queues; queue++) { - mask = pci_irq_get_affinity(pdev, queue + offset); - if (!mask) - goto fallback; - - for_each_cpu(cpu, mask) - qmap->mq_map[cpu] = qmap->queue_offset + queue; - } - - return; - -fallback: - WARN_ON_ONCE(qmap->nr_queues > 1); - blk_mq_clear_mq_map(qmap); -} -EXPORT_SYMBOL_GPL(blk_mq_pci_map_queues); diff --git a/block/blk-mq-virtio.c b/block/blk-mq-virtio.c deleted file mode 100644 index 68d0945c0b08a2be116125f46c3a56fcdb02aea8..0000000000000000000000000000000000000000 --- a/block/blk-mq-virtio.c +++ /dev/null @@ -1,46 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2016 Christoph Hellwig. - */ -#include -#include -#include -#include -#include "blk-mq.h" - -/** - * blk_mq_virtio_map_queues - provide a default queue mapping for virtio device - * @qmap: CPU to hardware queue map. - * @vdev: virtio device to provide a mapping for. - * @first_vec: first interrupt vectors to use for queues (usually 0) - * - * This function assumes the virtio device @vdev has at least as many available - * interrupt vectors as @set has queues. It will then query the vector - * corresponding to each queue for it's affinity mask and built queue mapping - * that maps a queue to the CPUs that have irq affinity for the corresponding - * vector. - */ -void blk_mq_virtio_map_queues(struct blk_mq_queue_map *qmap, - struct virtio_device *vdev, int first_vec) -{ - const struct cpumask *mask; - unsigned int queue, cpu; - - if (!vdev->config->get_vq_affinity) - goto fallback; - - for (queue = 0; queue < qmap->nr_queues; queue++) { - mask = vdev->config->get_vq_affinity(vdev, first_vec + queue); - if (!mask) - goto fallback; - - for_each_cpu(cpu, mask) - qmap->mq_map[cpu] = qmap->queue_offset + queue; - } - - return; - -fallback: - blk_mq_map_queues(qmap); -} -EXPORT_SYMBOL_GPL(blk_mq_virtio_map_queues); diff --git a/include/linux/blk-mq-pci.h b/include/linux/blk-mq-pci.h deleted file mode 100644 index ca544e1d3508f34ab6e198b0bb17efe88de4d14d..0000000000000000000000000000000000000000 --- a/include/linux/blk-mq-pci.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_BLK_MQ_PCI_H -#define _LINUX_BLK_MQ_PCI_H - -struct blk_mq_queue_map; -struct pci_dev; - -void blk_mq_pci_map_queues(struct blk_mq_queue_map *qmap, struct pci_dev *pdev, - int offset); - -#endif /* _LINUX_BLK_MQ_PCI_H */ diff --git a/include/linux/blk-mq-virtio.h b/include/linux/blk-mq-virtio.h deleted file mode 100644 index 13226e9b22dd53e4289d506d49c52671de036ee8..0000000000000000000000000000000000000000 --- a/include/linux/blk-mq-virtio.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_BLK_MQ_VIRTIO_H -#define _LINUX_BLK_MQ_VIRTIO_H - -struct blk_mq_queue_map; -struct virtio_device; - -void blk_mq_virtio_map_queues(struct blk_mq_queue_map *qmap, - struct virtio_device *vdev, int first_vec); - -#endif /* _LINUX_BLK_MQ_VIRTIO_H */ -- 2.47.0