On Fri, 19 Oct 2007, Eric W. Biederman wrote:
> Ingo Molnar <[email protected]> writes:
>
> > * Eric W. Biederman <[email protected]> wrote:
> >
> >> > thanks for doing this.
> >>
> >> Yes. keeping this alive is good.
> >>
> >> The practical question is how do we make this change without breaking
> >> the drivers that use their irq argument.
> >
> > the get_irq_regs() approach worked out really well. We should do a
> > get_irq_nr() and be done with it?
>
> The problem are some drivers today pass in 0 for their irq number
> to flag that they are calling the interrupt handler in a polling
> mode (not from interrupt context?) so the same logic doesn't quite apply.
>
> Do what you suggest would likely break those drivers.
How many of them do we have ? This is a wilful abuse of the API, so
its not a big damage if they break.
tglx
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