From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 1 Jan 2014 15:09:21 +0000 (+0100)
Subject: KVM: add kvm_is_error_gpa() helper
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~8^2~67^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dfeec843fb237d73947e818f961e8d6f0df22b01;p=pandora-kernel.git

KVM: add kvm_is_error_gpa() helper

It's quite common (in the s390 guest access code) to test if a guest
physical address points to a valid guest memory area or not.
So add a simple helper function in common code, since this might be
of interest for other architectures as well.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---

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