Messages in this thread | | | From | (Eric W. Biederman) | Subject | Re: [PATCH 0/9] Remove 'irq' argument from all irq handlers | Date | Fri, 19 Oct 2007 13:35:55 -0600 |
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Ingo Molnar <mingo@elte.hu> writes:
> * Eric W. Biederman <ebiederm@xmission.com> 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.
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