linux-kernel - Re: [PATCH v2 1/2] sched: Add a new function to compare if two cpus have the same capacity

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Date: Fri, 23 Feb 2024 08:12:03 -0800
From: Bart Van Assche <bvanassche@....org>
To: Qais Yousef <qyousef@...alina.io>, Jens Axboe <axboe@...nel.dk>,
 Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>,
 Vincent Guittot <vincent.guittot@...aro.org>,
 Dietmar Eggemann <dietmar.eggemann@....com>
Cc: linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
 Sudeep Holla <sudeep.holla@....com>, Wei Wang <wvw@...gle.com>,
 Jaegeuk Kim <jaegeuk@...nel.org>, Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH v2 1/2] sched: Add a new function to compare if two cpus
 have the same capacity

On 2/23/24 07:57, Qais Yousef wrote:
> The new helper function is needed to help blk-mq check if it needs to
> dispatch the softirq on another CPU to match the performance level the
> IO requester is running at. This is important on HMP systems where not
> all CPUs have the same compute capacity.

Reviewed-by: Bart Van Assche <bvanassche@....org>