Re: 2.6.0 kernel: Bind interrupt question.

From: Anton Blanchard
Date: Mon Nov 10 2003 - 17:50:46 EST



Hi,

> Have you seen any problems with interrupt binding on 2.6.0-drv45003 ?
> I tried this command to bind interrupt, but it does not work:
> ============================
> cat /proc/irq/165/smp_affinity
> ffffffff00000000
> echo 01 > /proc/irq/165/smp_affinity
> cat /proc/irq/165/smp_affinity
> ffffffff00000000

This is probably a ppc64 specific issue, we can continue this on
linuxppc64-dev@xxxxxxxxxxxxxxxxxx

> There is nothing changed after binding.
> One thing I see is it shows 16 digits "ffffffff00000000" on 2.6.0 while
> only 8 digits in 2.4 .

Its part of the support for > 32way machines, but it looks like its
broken for some configurations (Im guessing you have CONFIG_NR_CPUS set
to 32).

Anton
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