linux-kernel - Re: [RFC v4 PATCH 3/7] sched: Enforce hard limits by throttling

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Message-ID: <1259942995.17907.895.camel@laptop>
Date:	Fri, 04 Dec 2009 17:09:55 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	bharata@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	Gautham R Shenoy <ego@...ibm.com>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Herbert Poetzl <herbert@...hfloor.at>,
	Avi Kivity <avi@...hat.com>,
	Chris Friesen <cfriesen@...tel.com>,
	Paul Menage <menage@...gle.com>,
	Mike Waychison <mikew@...gle.com>
Subject: Re: [RFC v4 PATCH 3/7] sched: Enforce hard limits by throttling

On Tue, 2009-11-17 at 20:05 +0530, Bharata B Rao wrote:
> sched: Enforce hard limits by throttling.
> 
> From: Bharata B Rao <bharata@...ux.vnet.ibm.com>
> 
> Throttle the task-groups which exceed the runtime allocated to them.
> Throttled group entities are removed from the run queue.

This patch is just vile, all those _locked variants should really go.

Nor it is entirely clear why they're there.

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