linux-kernel - Re: [PATCH v2] Pre-emption control for userspace

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Message-ID: <20140325174624.GA15527@redhat.com>
Date:	Tue, 25 Mar 2014 18:46:49 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Khalid Aziz <khalid.aziz@...cle.com>
Cc:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	peterz@...radead.org, akpm@...ux-foundation.org,
	andi.kleen@...el.com, rob@...dley.net, viro@...iv.linux.org.uk,
	gnomes@...rguk.ukuu.org.uk, riel@...hat.com, snorcht@...il.com,
	dhowells@...hat.com, luto@...capital.net, daeseok.youn@...il.com,
	ebiederm@...ssion.com, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v2] Pre-emption control for userspace

On 03/25, Khalid Aziz wrote:
>
>  fs/proc/base.c                                     |  89 ++++++++

This code can be simplified, but the real question is why do we need it.

Just add PR_SET_PREEMPT_DELAY ?

Oleg.

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