lkml.org 
[lkml]   [2001]   [Jan]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-audio-dev] low-latency scheduling patch for 2.4.0
"David S. Miller" wrote:
>
> Nigel Gamble writes:
> > That's why MontaVista's kernel preemption patch uses sleeping mutex
> > locks instead of spinlocks for the long held locks.
>
> Anyone who uses sleeping mutex locks is asking for trouble. Priority
> inversion is an issue I dearly hope we never have to deal with in the
> Linux kernel, and sleeping SMP mutex locks lead to exactly this kind
> of problem.
>
Exactly why we are going to us priority inherit mutexes. This handles
the inversion nicely.

George
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:22    [W:0.331 / U:2.776 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site