[LAD] Realtime threads and security

Paul Davis paul at linuxaudiosystems.com
Fri Feb 25 16:33:37 UTC 2011


On Fri, Feb 25, 2011 at 11:31 AM, Olivier Guilyardi <list at samalyse.com> wrote:
> On 02/25/2011 04:53 PM, Olivier Guilyardi wrote:
>
>> Wouldn't this be an improvement in regard to security?
>
> About this, security really doesn't seem like a pointless question to me.
> Otherwise, why would all major distributions grant absolutely no realtime
> privileges/runtime by default? Reading the JACK FAQ and editing some obscure
> config file to gain realtime privileges isn't exactly user-friendly.. You don't
> need that kind of thing for realtime audio on OSX for example.

the point is that both OS X and contemporary linux have mechanisms
that prevent RT scheduling from locking up the system.

linux distributions have not adapted to this reality and thus they
still continue to make RT scheduling inaccessible to users by default.



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