From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Aaron Tomlin <atomlin@atomlin.com>
Cc: <axboe@kernel.dk>, <kbusch@kernel.org>, <hch@lst.de>,
<sagi@grimberg.me>, <mst@redhat.com>, <aacraid@microsemi.com>,
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Subject: Re: [PATCH v10 07/13] scsi: Use block layer helpers to constrain queue affinity
Date: Thu, 02 Apr 2026 21:46:50 -0400 [thread overview]
Message-ID: <yq14ils3jem.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20260401222312.772334-8-atomlin@atomlin.com> (Aaron Tomlin's message of "Wed, 1 Apr 2026 18:23:06 -0400")
Aaron,
> Ensure that IRQ affinity setup also respects the queue-to-CPU mapping
> constraints provided by the block layer. This allows the SCSI drivers
> to avoid assigning interrupts to CPUs that the block layer has
> excluded (e.g., isolated CPUs).
>
> Only convert drivers which are already using the
> pci_alloc_irq_vectors_affinity with the PCI_IRQ_AFFINITY flag set.
> Because these drivers are enabled to let the IRQ core code to
> set the affinity. Also don't update qla2xxx because the nvme-fabrics
> code is not ready yet.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen
next prev parent reply other threads:[~2026-04-04 4:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-01 22:22 [PATCH v10 00/13] blk: honor isolcpus configuration Aaron Tomlin
2026-04-01 22:23 ` [PATCH v10 01/13] scsi: aacraid: use block layer helpers to calculate num of queues Aaron Tomlin
2026-04-03 1:43 ` Martin K. Petersen
2026-04-01 22:23 ` [PATCH v10 02/13] lib/group_cpus: remove dead !SMP code Aaron Tomlin
2026-04-03 1:45 ` Martin K. Petersen
2026-04-01 22:23 ` [PATCH v10 03/13] lib/group_cpus: Add group_mask_cpus_evenly() Aaron Tomlin
2026-04-01 22:23 ` [PATCH v10 04/13] genirq/affinity: Add cpumask to struct irq_affinity Aaron Tomlin
2026-04-01 22:23 ` [PATCH v10 05/13] blk-mq: add blk_mq_{online|possible}_queue_affinity Aaron Tomlin
2026-04-01 22:23 ` [PATCH v10 06/13] nvme-pci: use block layer helpers to constrain queue affinity Aaron Tomlin
2026-04-03 1:46 ` Martin K. Petersen
2026-04-01 22:23 ` [PATCH v10 07/13] scsi: Use " Aaron Tomlin
2026-04-03 1:46 ` Martin K. Petersen [this message]
2026-04-01 22:23 ` [PATCH v10 08/13] virtio: blk/scsi: use " Aaron Tomlin
2026-04-03 1:47 ` Martin K. Petersen
2026-04-01 22:23 ` [PATCH v10 09/13] isolation: Introduce io_queue isolcpus type Aaron Tomlin
2026-04-03 1:47 ` Martin K. Petersen
2026-04-01 22:23 ` [PATCH v10 10/13] blk-mq: use hk cpus only when isolcpus=io_queue is enabled Aaron Tomlin
2026-04-03 2:06 ` Waiman Long
2026-04-05 23:09 ` Aaron Tomlin
2026-04-01 22:23 ` [PATCH v10 11/13] blk-mq: prevent offlining hk CPUs with associated online isolated CPUs Aaron Tomlin
2026-04-01 22:23 ` [PATCH v10 12/13] genirq/affinity: Restrict managed IRQ affinity to housekeeping CPUs Aaron Tomlin
2026-04-01 22:23 ` [PATCH v10 13/13] docs: add io_queue flag to isolcpus Aaron Tomlin
2026-04-03 2:30 ` Ming Lei
2026-04-06 1:15 ` Aaron Tomlin
2026-04-06 3:29 ` Ming Lei
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