linux-kernel - Re: [PATCH -v4] crypto: Add PCLMULQDQ accelerated GHASH implementation

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Date:	Mon, 2 Nov 2009 08:50:39 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Huang Ying <ying.huang@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
	Daniel Walker <dwalker@...o99.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH -v4] crypto: Add PCLMULQDQ accelerated GHASH
	implementation


* Herbert Xu <herbert@...dor.apana.org.au> wrote:

> -	pshufb BSWAP, DATA
> +	# pshufb BSWAP, DATA
> +	.byte 0x66, 0x0f, 0x38, 0x00, 0xc5

A cleanup request: mind creating two macros for this PSHUFB MMX/SSE 
instruction in arch/x86/include/asm/i387.h, instead of open-coding the 
.byte sequences in ~6 places?

( After the .33 merge window we'll collect such instruction format 
  knowledge in arch/x86/include/asm/inst.h. That file is not upstream 
  yet so i387.h will do for now for FPU/SSE instructions. )

Thanks,

	Ingo
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