linux-kernel - Re: [PATCH RESEND v4] sched/fair: Add advisory flag for borrowing a timeslice

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Message-ID: <20141218222846.GH30905@twins.programming.kicks-ass.net>
Date:	Thu, 18 Dec 2014 23:28:46 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Khalid Aziz <khalid.aziz@...cle.com>
Cc:	tglx@...utronix.de, corbet@....net, mingo@...hat.com,
	hpa@...or.com, riel@...hat.com, akpm@...ux-foundation.org,
	rientjes@...gle.com, ak@...ux.intel.com, mgorman@...e.de,
	raistlin@...ux.it, kirill.shutemov@...ux.intel.com,
	atomlin@...hat.com, avagin@...nvz.org, gorcunov@...nvz.org,
	serge.hallyn@...onical.com, athorlton@....com, oleg@...hat.com,
	vdavydov@...allels.com, daeseok.youn@...il.com,
	keescook@...omium.org, yangds.fnst@...fujitsu.com,
	sbauer@....utah.edu, vishnu.ps@...sung.com, axboe@...com,
	paulmck@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-api@...r.kernel.org
Subject: Re: [PATCH RESEND v4] sched/fair: Add advisory flag for borrowing a
 timeslice

On Thu, Dec 18, 2014 at 11:44:19AM -0700, Khalid Aziz wrote:
> sched/fair: Add advisory flag for borrowing a timeslice

yuck hatred and much of that.

Also, you fail to explain why a kernel side spin futex-lock is not an
option.
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