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From: "H. Peter Anvin" <hpa@zytor.com>
To: "Ma, Ling" <ling.ma@intel.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>, Ingo Molnar <mingo@elte.hu>,
	Ingo Molnar <mingo@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH RFC] [X86] performance improvement for memcpy_64.S by fast 	string.
Date: Wed, 11 Nov 2009 21:26:37 -0800	[thread overview]
Message-ID: <4AFB9C8D.9000800@zytor.com> (raw)
In-Reply-To: <8FED46E8A9CA574792FC7AACAC38FE7714FE8307DB@PDSMSX501.ccr.corp.intel.com>

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.


  reply	other threads:[~2009-11-12  5:26 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-06  9:41 [PATCH RFC] [X86] performance improvement for memcpy_64.S by fast string ling.ma
2009-11-06 16:51 ` Andi Kleen
2009-11-08 10:18   ` Ingo Molnar
2009-11-06 17:07 ` H. Peter Anvin
2009-11-06 19:26   ` H. Peter Anvin
2009-11-09  7:24     ` Ma, Ling
2009-11-09  7:36       ` H. Peter Anvin
2009-11-09  8:08         ` Ingo Molnar
2009-11-11  7:05           ` Ma, Ling
2009-11-11  7:18             ` Ingo Molnar
2009-11-11  7:57               ` Ma, Ling
2009-11-11 23:21                 ` H. Peter Anvin
2009-11-12  2:12                   ` Ma, Ling
2009-11-11 20:34             ` Cyrill Gorcunov
2009-11-11 22:39               ` H. Peter Anvin
2009-11-12  4:28                 ` Cyrill Gorcunov
2009-11-12  4:49                   ` Ma, Ling
2009-11-12  5:26                     ` H. Peter Anvin [this message]
2009-11-12  7:42                       ` Ma, Ling
2009-11-12  9:54                     ` Cyrill Gorcunov
2009-11-12 12:16           ` Pavel Machek
2009-11-13  7:33             ` Ingo Molnar
2009-11-13  8:04               ` H. Peter Anvin
2009-11-13  8:10                 ` Ingo Molnar
2009-11-09  9:26         ` Andi Kleen
2009-11-09 16:41           ` H. Peter Anvin
2009-11-09 18:54             ` Andi Kleen
2009-11-09 22:36               ` H. Peter Anvin
2009-11-12 12:16       ` Pavel Machek
2009-11-13  5:33         ` Ma, Ling
2009-11-13  6:04           ` H. Peter Anvin
2009-11-13  7:23             ` Ma, Ling
2009-11-13  7:30               ` H. Peter Anvin

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