Rick Jones <[EMAIL PROTECTED]> writes:

> Folks -
> 
> Is it a bug, or a feature that after changing a device's smp_affinity
> via echo "N" >> /proc/irq/M/smp_affinity that the new mask isn't
> visible via cat /proc/irq/M/smp_affinity until after actual interrupts
> are taken?

Intel chipsets can only safely update affinity during interrupt processing.
You see a side effect of the code implementing this restriction.

-Andi
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