[Soekris] high CPU usage for network interrupts on 4801

[Maurice Janssen]

On Sunday, September 16, 2007 at 21:26:36 +0000, Poul-Henning Kamp wrote:
>The 4801 unfortunately has all three internal network cards on the
>same interrupt line, that's not a good thing because for every interrupt
>the kernel will have to check all three network interfaces to see
>where it came from.

I'm by no means an expert on this subject, but others seem to think that
interrupt sharing is a good thing:
http://mail-index.netbsd.org/tech-perform/2003/02/03/0000.html
http://www.openbsd.org/faq/faq12.html#IrqShare

Maurice