[linux-audio-dev] Re: [PATCH] [request for inclusion] Realtime LSM

Jack O'Quin joq at io.com
Fri Jan 7 20:27:26 UTC 2005


Matt Mackall <mpm at selenic.com> writes:

> On Thu, Jan 06, 2005 at 11:54:05PM -0600, Jack O'Quin wrote:
>> Note that sched_setschedule() provides no way to handle the mlock()
>> requirement, which cannot be done from another process.
>
> I'm pretty sure that part can be done by a privileged server handing
> out mlocked shared memory segments.

If you're "pretty sure", please explain how locking a shared memory
segment prevents the code and stack of the client's realtime thread
from page faulting.
-- 
  joq



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