linux-kernel - Re: [PATCH 1/1] mm: define default cpu_to

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Message-ID: <20080509052049.GA2161@linux-sh.org>
Date:	Fri, 9 May 2008 14:20:49 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Mike Travis <travis@....com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>, bunk@...nel.org,
	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org,
	Richard Henderson <rth@...ddle.net>,
	Paul Mackerras <paulus@...ba.org>,
	Anton Blanchard <anton@...ba.org>,
	"David S. Miller" <davem@...emloft.net>,
	"William L. Irwin" <wli@...omorphy.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/1] mm: define default cpu_to_node

On Thu, May 08, 2008 at 04:02:39PM -0700, Mike Travis wrote:
>   * Some architectures have CONFIG_NUMA=y but do not define a
>     default cpu_to_node macro.  This provides the default in
>     asm-generic/topology.h but it relies on the fact that
>     cpu_to_node is a defined macro (and not an inline function).
> 
NACK.. This isn't going to work anyways, cpu_to_node() is just where the
first build error occurs. If you do this, then parent_node() is the next
one to blow up, node_to_cpumask() after that, etc, etc. For now I've just
stubbed the asm-generic/topology.h definitions in to asm-sh/topology.h.
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