Subject: Re: [PATCH 2/2] siw: Add support for CRC32C offload instruction using libcrypto crc32c-intel

From: Andi Kleen <ak-VuQAYsv1563Yd54FQh9/[email-masked]>
Date: Wed, 22 Sep 2010 22:39:39 +0200

On 9/22/2010 10:30 PM, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger<[email-masked]>
>
> This patch updates siw_create_qp() to check for the CONFIG_X86 + cpu_has_xmm4_2
> dependent use of the CRC32C instruction offload using libcrypto crc32c-intel.ko.
> This patch will by default use crc32c-intel when available, and fall back to the
> legacy slicing by 1x libcrypto crc32c.ko code when the instruction offload is not
> availabe.

I don't think every caller should handle checks like this. The crypto 
layer should load the right driver
instead and provide the best driver under a generic algorithm name.

Need CPUID module auto probing. I have an older patch that needs some fixes.

-Andi

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