On Thu, 15 Mar 2001 kuznet@xxxxxxxxxxxxx wrote:
> > Isn't it possible to put something like this in the layer just
> > above the driver ?
>
> "Something like this" but above driver is the scheme which used
> in linux for ages and well known not only to be not working,
> but even responsible for livelocks. 8)
So basically Linux is still easily DoSable ?
> You will have time to discuss this with Jamal, the first stage
> of the work is in 2.4. Polling is planned for 2.5.
>
> However all the measures to avoid livelocks require remake of
> drivers.
Since not having these changes makes Linux die under heavy
network traffic, I guess this is something we might want to
fix during the 2.4 series, at least for the more often used
drivers ...
regards,
Rik
--
Linux MM bugzilla: http://linux-mm.org/bugzilla.shtml
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...
http://www.surriel.com/
http://www.conectiva.com/ http://distro.conectiva.com/
|