linux-kernel - Re: [PATCH RFC 0/5] hard_smp_processor

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Message-ID: <20070301140648.GX26583@kvack.org>
Date:	Thu, 1 Mar 2007 09:06:48 -0500
From:	Benjamin LaHaise <bcrl@...ck.org>
To:	Fernando Luis Vázquez Cao 
	<fernando@....ntt.co.jp>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	fastboot@...ts.osdl.org, ebiederm@...ssion.com, ak@...e.de,
	akpm@...ux-foundation.org, judith@...ux-foundation.org
Subject: Re: [PATCH RFC 0/5] hard_smp_processor_id overhaul

On Thu, Mar 01, 2007 at 04:16:13PM +0900, Fernando Luis Vázquez Cao wrote:
> As a consequence, the hardcoding of hard_smp_processor_id() to 0 on UP
> systems (see "linux/smp.h") is not correct.
> 
> This patch-set does the following:
> 
> 1- Remove hardcoding of hard_smp_processor_id on UP systems.

NAK.  This has to be configurable, as many embedded systems don't even 
have APICs.  Please rework the patch set so that there is not any overhead 
for existing UP systems.

		-ben
-- 
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