From: David Vrabel <david.vrabel@citrix.com>
Date: Tue, 7 Jan 2014 11:36:53 +0000 (+0000)
Subject: x86/xen: only warn once if bad MFNs are found during setup
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~54^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2dcc9a3de1d7f77bb4dbc108358a75776328e887;p=pandora-kernel.git

x86/xen: only warn once if bad MFNs are found during setup

In xen_add_extra_mem(), if the WARN() checks for bad MFNs trigger it is
likely that they will trigger at lot, spamming the log.

Use WARN_ONCE() instead.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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