linux-kernel - Re: [git patch] free

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Message-ID: <alpine.LFD.1.10.0804221651400.2779@woody.linux-foundation.org>
Date:	Tue, 22 Apr 2008 16:52:44 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jeff Garzik <jeff@...zik.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, rmk@....linux.org.uk
Subject: Re: [git patch] free_irq() fixes



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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