linux-kernel - Re: [PATCH] sched: sync with the cfs

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Message-ID: <20150813105615.GR3956@byungchulpark-X58A-UD3R>
Date:	Thu, 13 Aug 2015 19:56:15 +0900
From:	Byungchul Park <byungchul.park@....com>
To:	Yuyang Du <yuyang.du@...el.com>
Cc:	Peter Zijlstra <peterz@...radead.org>, mingo@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: sync with the cfs_rq when changing sched class

On Thu, Aug 13, 2015 at 10:15:28AM +0800, Yuyang Du wrote:
> On Thu, Aug 13, 2015 at 05:21:27PM +0900, Byungchul Park wrote:
> > 
> > yuyang said that switched_to don't need to consider task's load because it
> > can have meaningless value. but i think considering task's load is better
> > than leaving it unattended at all. and we can also use switched_to if we 
> > consider task's load in switched_to.
> 
> when did I say "don't need to consider..."?
> 
> Doing more does not mean better, or just trivial. BTW, the task switched_to
> does not have to be switched_from before. 

i see.. i need to add initialization routine for fair class..

thanks,
byungchul

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