linux-kernel - Re: [PATCH 00/11] another rt group sched update

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Message-ID: <20080107122330.GB25945@linux.vnet.ibm.com>
Date:	Mon, 7 Jan 2008 17:53:30 +0530
From:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	dmitry.adamushko@...il.com, Steven Rostedt <rostedt@...dmis.org>,
	Gregory Haskins <ghaskins@...ell.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 00/11] another rt group sched update

On Mon, Jan 07, 2008 at 11:51:20AM +0100, Peter Zijlstra wrote:
>  - figure out what to do for UID based group scheduling, the current
>    implementation leaves it impossible for !root users to execute
>    real time tasks by setting rt_runtime_us to 0, and it has no way
>    to change it.
> 
>    Srivatsa, what happened to the per uid weight patches?, Perhaps we
>    can extend that interface to allow changing this.

Hi Peter,
	The sysfs interface for tweaking each user's share should be in
mainline already (sysfs_create_file() in user_kobject_create()). This
could be extended for your purpose, hopefully in a straightforward
manner (you never know that with sysfs :(

-- 
Regards,
vatsa
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