linux-kernel - Re: [PATCH] x86-64: make pda's cpunumber and nodenumber unsigned

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Message-ID: <20071217160127.GB30958@elte.hu>
Date:	Mon, 17 Dec 2007 17:01:27 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Cyrill Gorcunov <gorcunov@...il.com>
Cc:	Jan Beulich <jbeulich@...ell.com>, tglx@...utronix.de,
	Andrew Morton <akpm@...ux-foundation.org>, mingo@...hat.com,
	linux-kernel@...r.kernel.org, hpa@...or.com
Subject: Re: [PATCH] x86-64: make pda's cpunumber and nodenumber unsigned


* Cyrill Gorcunov <gorcunov@...il.com> wrote:

> Checkpatch still does complain about
> 	if (0) { T__ tmp__; tmp__ = (val)
> I'm not sure if we need this line at all.

that's a type-checking trick. It does not result in any generated code 
but gcc flags it with a build time warning if there's a type mismatch. 
So it's a checkpatch.pl false positive.

	Ingo
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