Re: [PATCH 3/3] IRQ: Maintain regs pointer globally rather than passingto IRQ handlers

[Jeff Garzik]

Ingo Molnar wrote:
> * Jeff Garzik <jeff@xxxxxxxxxx> wrote:
>
> > > NAK to that, it will mess up a lot of older drivers which still use 
> > > the irq field and also those who want it to print
> > Look at the pt_regs change -- the irq change is similar:
> >
> > The information does not go away, it is merely available via another 
> > avenue.
>
> but pt_regs is alot less frequently used than irq - and where it's used 
> they arent "drivers" but mostly arch level code like hw-timer handlers.

Nonetheless the -vast majority- of drivers don't use the argument at 
all, and the minority that do use it are not modern drivers.

	Jeff



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