Re: [PATCH] clear irq pending when bypassing it

From: Eric W. Biederman
Date: Thu Apr 30 2009 - 12:50:01 EST


Joe Korty <jak@xxxxxxxxxxxxxxxx> writes:

> IRQ_MOVE_PENDING must be cleared whenever it is bypassed.
>
> Otherwise, we risk an old, pending affinity change
> overtaking and erasing a more recent affinity change that
> had been directly applied (eg, IRQ_MOVE_PCNTXT mode).

When can this happen?

Eric
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