linux-kernel - Re: [PATCH v2 12/12] sched: Add ttwu

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Message-ID: <20250703171121.GE245663@pauld.westford.csb>
Date: Thu, 3 Jul 2025 13:11:21 -0400
From: Phil Auld <pauld@...hat.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: mingo@...hat.com, juri.lelli@...hat.com, vincent.guittot@...aro.org,
	dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
	mgorman@...e.de, vschneid@...hat.com, clm@...a.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 12/12] sched: Add ttwu_queue support for delayed tasks

On Thu, Jul 03, 2025 at 06:47:08PM +0200 Peter Zijlstra wrote:
> On Thu, Jul 03, 2025 at 12:00:27PM -0400, Phil Auld wrote:
> 
> > > +	if (ttwu_do_migrate(rq, p, cpu))
> > > +
> > 
> > This doesn't compile because ttwu_do_migrate() doesn't take a *rq.
> > 
> > It's easy enough to fix up and I'll try to have our perf team try these
> > out. 
> 
> I'm confused, isn't that what patch 7 does?
>

Heh,  I seem to have not had patch 7 (psi did not make it through my
stupid gmail filters).  I did look through all the ones I had but did
not look at the numbers and see I was missing one... 

Nevermind.


Cheers,
Phil

> Also, I updated the git tree today, fixing a silly mistake. But I don't
> remember build failures here.
> 

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