Date: Wed, 3 Feb 2010 21:24:25 +0100
From: Borislav Petkov <bp@amd64.org>
To: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
       Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, x86 <x86@kernel.org>
Subject: mtrr/state.c unused?
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It looks like <arch/x86/kernel/cpu/mtrr/state.c> is not used by
anything in the kernel.

Besides cleanups, the only relevant patch in the git history is:

commit 2ec1df4130c60d1eb49dc0fa0ed15858fede6b05
Author: Thomas Gleixner <tglx@linutronix.de>
Date:   Thu Oct 11 11:16:28 2007 +0200

    i386: move kernel/cpu/mtrr


which adds it. Hmm...

A

git log -i --pickaxe-all -Sset_mtrr_prepare_save

for example, shows that

commit 9a6b344ea967efa0bb5ca4cb5405f840652b66c4
Author: Harvey Harrison <harvey.harrison@gmail.com>
Date:   Mon Feb 4 16:48:01 2008 +0100

    x86: remove long dead cyrix mtrr code

has removed the last callers of those helpers and they're now unused.
They should go if we don't need them anymore.

-- 
Regards/Gruss,
Boris.

--
Advanced Micro Devices, Inc.
Operating Systems Research Center
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