Re: [git patch] free_irq() fixes

From: Linus Torvalds
Date: Tue Apr 22 2008 - 19:53:32 EST




On Tue, 22 Apr 2008, Jeff Garzik wrote:
> [...]
> > Since the #irq-remove project involves removal of the 'irq' argument
> > from interrupt handlers (unused 99.8% of the time),
> [...]
>
> After going over every irq handler (read: almost every driver in the kernel,
> plus arch code), my #irq-remove branch has confirmed what my gut already knew
> -- the 'irq' argument is completely unused for almost every driver. So I was
> taking that line of thought as far as it went.

Ok, that's just not going to happen.

What's the upside? Really?

I can tell you the downsides:
- tons of huge patches with ugly churn
- total disaster when it comes to any drivers that are maintained over
multiple versions and/or out-of-tree like the DRI stuff

so those upsides had better be really big.

Linus
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