linux-kernel - Re: [PATCH 1/2] x86, crypto, Generate .byte code for some new instructions via gas macro

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Date:	Thu, 05 Nov 2009 08:58:47 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	Huang Ying <ying.huang@...el.com>, Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>
Subject: Re: [PATCH 1/2] x86, crypto, Generate .byte code for some new	instructions
 via gas macro

On 11/05/2009 06:23 AM, Herbert Xu wrote:
> On Thu, Nov 05, 2009 at 02:44:15PM +0800, Huang Ying wrote:
>> It will take some time for binutils (gas) to support some newly added
>> instructions, such as SSE4.1 instructions or the AES-NI instructions
>> found in upcoming Intel CPU.
>>
>> To make the source code can be compiled by old binutils, .byte code is
>> used instead of the assembly instruction. But the readability and
>> flexibility of raw .byte code is not good.
>>
>> This patch solves the issue of raw .byte code via generating it via
>> assembly instruction like gas macro. The syntax is as close as
>> possible to real assembly instruction.
>>
>> Some helper macros such as MODRM is not a full feature
>> implementation. It can be extended when necessary.
>>
>> Signed-off-by: Huang Ying <ying.huang@...el.com>
> 
> Once Ingo acks this I'll throw it into cryptodev.
> 

I'm not Ingo, but:

Acked-by: H. Peter Anvin <hpa@...or.com>

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

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