From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Tue, 14 Apr 2015 10:17:34 +0000 (+0200)
Subject: KVM: s390: provide functions for blocking all CPUs
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~138^2~84^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27406cd50c;p=pandora-kernel.git

KVM: s390: provide functions for blocking all CPUs

Some updates to the control blocks need to be done in a way that
ensures that no CPU is within SIE. Provide wrappers around the
s390_vcpu_block functions and adopt the TOD migration code to
update in a guaranteed fashion. Also rename these functions to
have the kvm_s390_ prefix as everything else.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
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