linux-kernel - Re: [PATCH 12/11] sched: rt-group: uid-group interface

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Message-ID: <20080108235750.GA27248@elte.hu>
Date:	Wed, 9 Jan 2008 00:57:50 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Greg KH <gregkh@...e.de>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Kay Sievers <kay.sievers@...y.org>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	vatsa@...ux.vnet.ibm.com, LKML <linux-kernel@...r.kernel.org>,
	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>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 12/11] sched: rt-group: uid-group interface


* Greg KH <gregkh@...e.de> wrote:

> On Wed, Jan 09, 2008 at 12:35:32AM +0100, Peter Zijlstra wrote:
> > 
> > On Tue, 2008-01-08 at 15:31 +0100, Kay Sievers wrote:
> > > On Jan 8, 2008 12:02 PM, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> > > >
> > > > On Tue, 2008-01-08 at 16:27 +0530, Dhaval Giani wrote:
> > > > > On Mon, Jan 07, 2008 at 05:57:42PM +0100, Peter Zijlstra wrote:
> > > > > >
> > > > > > Subject: sched: rt-group: add uid-group interface
> > > > > >
> > > > > > Extend the /sys/kernel/uids/<uid>/ interface to allow setting
> > > > > > the group's rt_period and rt_runtime.
> > > > > >
> > > > >
> > > > > Hi Peter,
> > > > >
> > > > > Cool stuff! I will try out these patches and try to give you some
> > > > > feedback.
> > > >
> > > > Thanks, much appreciated!
> > > >
> > > > > One request though, could you please add some documentation to
> > > > > Documentation/ABI/testing/sysfs-kernel-uids?
> > > >
> > > > I already have documentation on the todo list, I'll add this file to
> > > > that list :-)
> > > 
> > > Care to rebase the patch against -mm, we fixed the mixed-up usage
> > > of ksets and kobjects, and this can not apply anymore:
> > >   http://git.kernel.org/?p=linux/kernel/git/gregkh/patches.git;a=blob;f=driver/struct-user_info-sysfs.patch;hb=HEAD
> > > 
> > > There is also an attribute group now which makes it much easier to add
> > > new files.
> > 
> > Ingo, Greg,
> > 
> > What would be the easiest way to carry this forward? sched-devel and
> > greg's tree would intersect at this point and leave poor akpm with the
> > resulting mess. Should I just make an incremental patch akpm can carry
> > and push? Or can we base one tree off the other?
> 
> If it's just a single patch for this, I'd be glad to take it.  But by 
> looking at the [11/12] above, I doubt this is so...
> 
> If it's not that rough (12 patches is not a big deal), I'd be glad to 
> take these through my tree, after you fix up Kay's requests above :)

hm, i'd really like to see this tested and go through sched.git. It's 
only the few sysfs bits which interfere, right?

	Ingo
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