lkml.org 
[lkml]   [1999]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [uPATCH] SMP scheduling fix (?)
Hi,

On Fri, 15 Jan 1999 13:12:04 +0100, Pavel Machek <pavel@bug.ucw.cz>
said:

> But it is currently impossible with linux: it opens DoS attack.

> make your nice 20 task hold some lock, and then run 'normal' task so
> that nice 20 task will never ever get cpu again. BOom, you are holding
> lock and are not going to release it.

> Is there solution to this?

The easiest way is just to do normal time-sharing scheduling on all
processes in D state. Are there any critical locks which we wait for in
interruptible-sleep state?

--Stephen

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

\
 
 \ /
  Last update: 2005-03-22 13:49    [W:0.075 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site