From: Max Filippov <jcmvbkbc@gmail.com>
Date: Thu, 17 Jul 2014 01:04:49 +0000 (+0400)
Subject: xtensa: support aliasing cache in kmap
X-Git-Tag: omap-fixes-against-v3.17-rc3~14^2^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8504b503dfa86f698a38f9ee1fc2876ab012b776;p=pandora-kernel.git

xtensa: support aliasing cache in kmap

Define ARCH_PKMAP_COLORING and provide corresponding macro definitions
on cores with aliasing data cache.

Instead of single last_pkmap_nr maintain an array last_pkmap_nr_arr of
pkmap counters for each page color. Make sure that kmap maps physical
page at virtual address with color matching its physical address.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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