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

From: Dmitry Torokhov
Date: Fri Oct 06 2006 - 10:08:35 EST


On 10/6/06, Ingo Molnar <mingo@xxxxxxx> wrote:

* Jeff Garzik <jeff@xxxxxxxxxx> wrote:

> >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.

i'm all for changing that too :)


What drivers use irq argument? I know i8042 does but only to detect
whether interrupt routine was called because irq was raised or it was
called manually and I can use dev_id for that...

--
Dmitry
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