linux-kernel - Re: [RFC PATCH 0/2] Introduce per-task io utilization boost

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Message-ID: <2ed2dadc-bdc4-4a21-8aca-a2aac0c6479a@acm.org>
Date: Thu, 21 Mar 2024 12:52:19 -0700
From: Bart Van Assche <bvanassche@....org>
To: Christian Loehle <christian.loehle@....com>,
 Qais Yousef <qyousef@...alina.io>
Cc: linux-kernel@...r.kernel.org, peterz@...radead.org,
 juri.lelli@...hat.com, mingo@...hat.com, rafael@...nel.org,
 dietmar.eggemann@....com, vschneid@...hat.com, vincent.guittot@...aro.org,
 Johannes.Thumshirn@....com, adrian.hunter@...el.com, ulf.hansson@...aro.org,
 andres@...razel.de, asml.silence@...il.com, linux-pm@...r.kernel.org,
 linux-block@...r.kernel.org, io-uring@...r.kernel.org,
 linux-mmc@...r.kernel.org
Subject: Re: [RFC PATCH 0/2] Introduce per-task io utilization boost

On 3/21/24 10:57, Christian Loehle wrote:
> In the long-term it looks like for UFS the problem will disappear as we are
> expected to get one queue/hardirq per CPU (as Bart mentioned), on NVMe that
> is already the case.

Why the focus on storage controllers with a single completion interrupt?
It probably won't take long (one year?) until all new high-end
smartphones may have support for multiple completion interrupts.

Thanks,

Bart.