Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5

From: Ingo Molnar (mingo@elte.hu)
Date: Thu Oct 04 2001 - 01:56:36 EST


On Thu, 4 Oct 2001, Jeff Garzik wrote:

> On Wed, 3 Oct 2001, Ben Greear wrote:
> > That requires re-writing all the drivers, right?
>
> NAPI? [...]

Ben is talking about the long-planned "irq_action->handler() returns a
code that indicates progress" approach Linus talked about. *that* needs
the changing of every driver, since every IRQ handler prototype that is
'void' now needs to be changed to return 'int'. (the change is trivial,
but intrusive.)

        Ingo

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