Re: [PATCH v10 09/13] isolation: Introduce io_queue isolcpus type

Martin K. Petersen
2026-04-04T04:44:40Z

Aaron,

> Multiqueue drivers spread I/O queues across all CPUs for optimal
> performance. However, these drivers are not aware of CPU isolation
> requirements and will distribute queues without considering the
> isolcpus configuration.
>
> Introduce a new isolcpus mask that allows users to define which CPUs
> should have I/O queues assigned. This is similar to managed_irq, but
> intended for drivers that do not use the managed IRQ infrastructure

Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>

--
Martin K. Petersen