From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Tue, 16 Jun 2015 12:03:37 +0000 (+0200)
Subject: s390/setup: fix DMA_API_DEBUG warnings
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~140^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c36b8ac7052eafed952ad3487ed8671dc9dc5f9;p=pandora-kernel.git

s390/setup: fix DMA_API_DEBUG warnings

Addresses from the usable space in [_ehead, _stext] lead to false
positives in DMA_API_DEBUG code (which will complain when an address
is in [_text, _etext]).

Avoid these warnings by not using that memory in case of
CONFIG_DMA_API_DEBUG=y.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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