From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date: Thu, 16 May 2013 15:20:32 +0000 (+0200)
Subject: lib/raid6: add ARM-NEON accelerated syndrome calculation
X-Git-Tag: v3.12-rc1~128^2^3~2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d11965ddb9b9b1e0a5d13c58345ada1ccbc663b;p=pandora-kernel.git

lib/raid6: add ARM-NEON accelerated syndrome calculation

Rebased/reworked a patch contributed by Rob Herring that uses
NEON intrinsics to perform the RAID-6 syndrome calculations.
It uses the existing unroll.awk code to generate several
unrolled versions of which the best performing one is selected
at boot time.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: hpa@linux.intel.com
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