linux-kernel - Re: [PATCH 0/6] RFC: Typesafe callbacks

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Message-ID: <alpine.LFD.1.00.0801211547160.2957@woody.linux-foundation.org>
Date:	Mon, 21 Jan 2008 15:57:03 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
cc:	Tejun Heo <htejun@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jeff Garzik <jeff@...zik.org>
Subject: Re: [PATCH 0/6] RFC: Typesafe callbacks

On Tue, 22 Jan 2008, Rusty Russell wrote:
>
> Attempt to create callbacks which take unsigned long as well as
> correct pointer types.

I bow down before you.

I thought I had done some rather horrible things with gcc built-ins and 
macros, but I hereby hand over my crown to you.

As my daughter would say: that patch fell out of the ugly tree, and hit 
every branch on the way down. Very impressive.

All hail Rusty, undisputed ruler of Ugly-land.

Side note: can you verify that __builtin_choose_expr() exists in gcc-3? I 
don't think we've relied on it before except on arm, and that one has 
always had its own compiler version dependencies..

			Linus
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