From: Ming Lei <ming.lei@redhat.com>
To: Daniel Wagner <wagi@kernel.org>
Cc: "Jens Axboe" <axboe@kernel.dk>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"Keith Busch" <kbusch@kernel.org>,
"Christoph Hellwig" <hch@lst.de>,
"Sagi Grimberg" <sagi@grimberg.me>,
"John Garry" <john.g.garry@oracle.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Hannes Reinecke" <hare@suse.de>,
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
Date: Thu, 21 Nov 2024 11:09:27 +0800 [thread overview]
Message-ID: <Zz6kZ7QZV9HKSWVR@fedora> (raw)
In-Reply-To: <20241115-refactor-blk-affinity-helpers-v5-4-c472afd84d9f@kernel.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 <ming.lei@redhat.com>
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Hannes Reinecke <hare@suse.de>
> Signed-off-by: Daniel Wagner <wagi@kernel.org>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
--
Ming
next prev parent reply other threads:[~2024-11-21 3:09 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-15 16:37 [PATCH v5 0/8] blk: refactor queue affinity helpers Daniel Wagner
2024-11-15 16:37 ` [PATCH v5 1/8] driver core: bus: add irq_get_affinity callback to bus_type Daniel Wagner
2024-11-16 7:43 ` Greg Kroah-Hartman
2024-11-15 16:37 ` [PATCH v5 2/8] PCI: hookup irq_get_affinity callback Daniel Wagner
2024-11-21 8:57 ` John Garry
2024-11-15 16:37 ` [PATCH v5 3/8] virtio: " Daniel Wagner
2024-11-21 9:01 ` John Garry
2024-11-21 9:44 ` Daniel Wagner
2024-11-15 16:37 ` [PATCH v5 4/8] blk-mq: introduce blk_mq_map_hw_queues Daniel Wagner
2024-11-21 3:09 ` Ming Lei [this message]
2024-11-21 9:08 ` John Garry
2024-12-02 13:48 ` Daniel Wagner
2024-11-15 16:37 ` [PATCH v5 5/8] scsi: replace blk_mq_pci_map_queues with blk_mq_map_hw_queues Daniel Wagner
2024-11-21 2:37 ` Martin K. Petersen
2024-11-21 3:13 ` Ming Lei
2024-11-21 9:09 ` John Garry
2024-11-15 16:37 ` [PATCH v5 6/8] nvme: " Daniel Wagner
2024-11-21 3:15 ` Ming Lei
2024-11-21 9:09 ` John Garry
2024-11-15 16:37 ` [PATCH v5 7/8] virtio: blk/scsi: replace blk_mq_virtio_map_queues " Daniel Wagner
2024-11-21 3:17 ` Ming Lei
2024-11-21 9:10 ` John Garry
2024-11-15 16:37 ` [PATCH v5 8/8] blk-mq: remove unused queue mapping helpers Daniel Wagner
2024-11-21 3:19 ` Ming Lei
2024-11-21 9:10 ` John Garry
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