linux-kernel - Re: [PATCH RFC] [X86] performance improvement for memcpy

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Message-ID: <4AFB9C8D.9000800@zytor.com>
Date:	Wed, 11 Nov 2009 21:26:37 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Ma, Ling" <ling.ma@...el.com>
CC:	Cyrill Gorcunov <gorcunov@...il.com>, Ingo Molnar <mingo@...e.hu>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC] [X86] performance improvement for memcpy_64.S by
 fast 	string.

On 11/11/2009 08:49 PM, Ma, Ling wrote:
> Hi All
> The attachment is latest memcpy.c, please update by 
> "cc -o memcpy memcpy.c -O2 -m64".

OK... given that there seems to be no point since the actual code we're
talking about modifying doesn't ever actually get executed on the real
kernel, we can just drop this, right?

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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