Re: IRQ handling in SMP environment, kernel 2.4.3

[Ingo Molnar]

On Tue, 29 May 2001, Hilik Stein wrote:

> I am running a Linux machine with a 1GB Ethernet card which takes a
> huge amount of packets, which results in many HW interrupts. is it
> possible to make sure that only CPU #1 handles all the hardware
> interrupts generated by the NIC ? or even all the hardware interrupts
> in the systems if its too much to ask to filter IRQ based on origin ?
> thanks Hilik Stein

yes this is possible with the 2.4 kernels. Check out
Documentation/IRQ-affinity.txt. You can bind hardware interrupts to any
CPU (or arbitrary group of CPUs).

	Ingo