linux-kernel - Re: [PATCH 2/4] x86: remove unused code and data in nexgen.c

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Message-ID: <480AC505.1030301@zytor.com>
Date:	Sun, 20 Apr 2008 00:22:29 -0400
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Dmitri Vorobiev <dmitri.vorobiev@...il.com>
CC:	mingo@...e.hu, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] x86: remove unused code and data in nexgen.c

Dmitri Vorobiev wrote:
> Nobody calls the function nexgen_init_cpu(), therefore it
> can be removed. The variable nexgen_cpu_dev is used only by
> this function, so this patch removes useless data as well.
> 
> This patch was build-tested using defconfigs for i386 and x86_64.
> It also survived a few randconfig instances for i386. Runtime
> tests were performed by booting 32-bit and 64-bit x86 boxen up to
> the shell prompt.

NAK.  This is broken.

The reason nexgen_cpu_dev is unreferenced is because the file is missing 
a cpu_vendor_dev_register(), which should be added.

	-hpa

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