linux-kernel - Re: [RFC PATCH 0/7] genirq/affinity: abstract new API from managed irq affinity spread

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Date:   Mon, 26 Jul 2021 18:37:31 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Thomas Gleixner <tglx@...utronix.de>, Jens Axboe <axboe@...nel.dk>
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        Christoph Hellwig <hch@....de>
Subject: Re: [RFC PATCH 0/7] genirq/affinity: abstract new API from managed
 irq affinity spread

Hello Guys,

On Mon, Jul 19, 2021 at 05:57:22PM +0800, Ming Lei wrote:
> Hello,
> 
> irq_build_affinity_masks() actually grouping CPUs evenly into each managed
> irq vector according to NUMA and CPU locality, and it is reasonable to abstract
> one generic API for grouping CPUs evenly, the idea is suggested by Thomas
> Gleixner.
> 
> group_cpus_evenly() is abstracted and put into lib/, so blk-mq can re-use
> it to build default queue mapping.
> 
> Please comments!

Any comments on this patchset?


Thanks,
Ming