Subject: Re: Hard realtime scheduling
To: SODA Noriyuki <soda@sra.co.jp>
From: Oliver.Korpilla@gmx.de <Oliver.Korpilla@gmx.de>
List: tech-kern
Date: 04/05/2005 09:55:04
SODA Noriyuki wrote:
>>>>>>On Mon, 4 Apr 2005 11:21:23 -0700 (PDT),
> 
> 	Dave <dgriffi@cs.csubak.edu> said:
> 
> 
>>As I stated earlier, realtime scheduling, especially not requiring root
>>access, will be a boon to good quality audio support.  I'm hoping that
>>we'll have something that can be used by JACK.  I never got any comments
>>on this at the time.  Can I get some now?
> 
> 
> Not requiring special privilege is problematic, since a realtime
> process can occupy whole CPU resource.
> Is there any prior art about such feature in UNIX-based OSes?

I guess not, since this clearly is an attack vector for local breakins.

With kind regards,
Oliver Korpilla