linux-kernel - Re: [PATCH 1/3] sched/isolation: Add io

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Date: Mon, 24 Jun 2024 09:13:06 +0200
From: Daniel Wagner <dwagner@...e.de>
To: Christoph Hellwig <hch@....de>
Cc: Jens Axboe <axboe@...nel.dk>, Keith Busch <kbusch@...nel.org>, 
	Sagi Grimberg <sagi@...mberg.me>, Thomas Gleixner <tglx@...utronix.de>, 
	Frederic Weisbecker <fweisbecker@...e.com>, Mel Gorman <mgorman@...e.de>, Hannes Reinecke <hare@...e.de>, 
	Sridhar Balaraman <sbalaraman@...allelwireless.com>, "brookxu.cn" <brookxu.cn@...il.com>, 
	Ming Lei <ming.lei@...hat.com>, linux-kernel@...r.kernel.org, linux-block@...r.kernel.org, 
	linux-nvme@...ts.infradead.org
Subject: Re: [PATCH 1/3] sched/isolation: Add io_queue housekeeping option

On Sat, Jun 22, 2024 at 07:11:57AM GMT, Christoph Hellwig wrote:
> > diff --git a/include/linux/sched/isolation.h b/include/linux/sched/isolation.h
> > index 2b461129d1fa..fe751d704e99 100644
> > --- a/include/linux/sched/isolation.h
> > +++ b/include/linux/sched/isolation.h
> > @@ -16,6 +16,7 @@ enum hk_type {
> >  	HK_TYPE_WQ,
> >  	HK_TYPE_MANAGED_IRQ,
> >  	HK_TYPE_KTHREAD,
> > +	HK_TYPE_IO_QUEUE,
> >  	HK_TYPE_MAX
> >  };
> 
> It might be a good time to write comments explaining these types?

Sure, will do.

Do you think we should introduce a new type or just use the existing
managed_irq for this?