From: LEROY Christophe <christophe.leroy@c-s.fr>
Date: Tue, 19 May 2015 10:07:50 +0000 (+0200)
Subject: powerpc/32: memset(0): use cacheable_memzero
X-Git-Tag: omap-for-v4.3/fixes-rc1~100^2~6^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b2a32e806342f237f68435a50e1071f7f32b5c5;p=pandora-kernel.git

powerpc/32: memset(0): use cacheable_memzero

cacheable_memzero uses dcbz instruction and is more efficient than
memset(0) when the destination is in RAM

This patch renames memset as generic_memset, and defines memset
as a prolog to cacheable_memzero. This prolog checks if the byte
to set is 0. If not, it falls back to generic_memcpy()

cacheable_memzero disappears as it is not referenced anywhere anymore

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <scottwood@freescale.com>
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