linux-kernel - Re: [ckrm-tech] RFC: Memory Controller

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Message-ID: <6599ad830610301020y3bc515dbse4f278aad8b03e33@mail.gmail.com>
Date:	Mon, 30 Oct 2006 10:20:27 -0800
From:	"Paul Menage" <menage@...gle.com>
To:	"Pavel Emelianov" <xemul@...nvz.org>
Cc:	balbir@...ibm.com, vatsa@...ibm.com, dev@...nvz.org,
	sekharan@...ibm.com, ckrm-tech@...ts.sourceforge.net,
	haveblue@...ibm.com, linux-kernel@...r.kernel.org, pj@....com,
	matthltc@...ibm.com, dipankar@...ibm.com, rohitseth@...gle.com
Subject: Re: [ckrm-tech] RFC: Memory Controller

On 10/30/06, Pavel Emelianov <xemul@...nvz.org> wrote:
> and go on discussing the next question - interface.
>
> Right now this is the most diffucult one and there are two
> candidates - syscalls and configfs. I've pointed my objections
> agains configfs and haven't seen any against system calls...
>

Some objections:

- they require touching every architecture to add the new system calls
- they're harder to debug from userspace, since you can't using useful
tools such as echo and cat
- changing the interface is harder since it's (presumably) a binary API

Paul
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