linux-kernel - Re: [PATCH] Use more gcc extensions in the Linux headers

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Date:	09 Mar 2007 17:52:00 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Use more gcc extensions in the Linux headers

Rusty Russell <rusty@...tcorp.com.au> writes:

> __builtin_types_compatible_p() has been around since gcc 2.95, and we
> don't use it anywhere.  This patch quietly fixes that.

Using BUILD_BUG_ON_ZERO() would have been somewhat cleaner.

-Andi
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