Message-ID: <41E73E98.8070603@kolivas.org>
Date: Fri, 14 Jan 2005 14:38:00 +1100
From: Con Kolivas <kernel@kolivas.org>
User-Agent: Mozilla Thunderbird 1.0 (X11/20041206)
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To: Paul Davis <paul@linuxaudiosystems.com>
Cc: Andrew Morton <akpm@osdl.org>, nickpiggin@yahoo.com.au, lkml@s2y4n2c.de,
       rlrevell@joe-job.com, arjanv@redhat.com, joq@io.com, chrisw@osdl.org,
       mpm@selenic.com, hch@infradead.org, mingo@elte.hu,
       alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [request for inclusion] Realtime LSM
References: <200501140330.j0E3UCiG027037@localhost.localdomain>
In-Reply-To: <200501140330.j0E3UCiG027037@localhost.localdomain>
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Paul Davis wrote:
>>>Paul.  Everyone agrees with you.  I think.  We just need to work out
>>>the best way of doing it.
>>>
>>>Would I be right in suspecting that we know what to do, but nobody has
>>>stepped up to write the code?  It's kinda looking like that?
>>
>>I thought I made it clear i had already volunteered. I was after a 
>>response to my proposal for how to do it.
> 
> 
> I think your proposal is a good (maybe even excellent) one, but it
> somewhat sidesteps the issue (which may be the best thing to
> do). Rather than answering the question "how best to allow regular
> users access to SCHED_FIFO", it says "lets offer regular users
> SCHED_ISO which is essentially identical to SCHED_FIFO unless tasks
> running SCHED_ISO use too much cpu time".
> 
> its a fine answer, but its the answer to a slightly different
> question. if anyone (maybe us audio freaks, maybe someone else) comes
> up with a reason to want "The Real SCHED_FIFO", the original question
> will have gone unanswered.

Ah then  you missed something. You can set the max cpu of SCHED_ISO to 
100% and then you have it.

Cheers,
Con

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