From: Jens Freimann <jfrei@linux.vnet.ibm.com>
Date: Mon, 1 Dec 2014 15:43:40 +0000 (+0100)
Subject: KVM: s390: use atomic bitops to access pending_irqs bitmap
X-Git-Tag: omap-for-v3.19/fixes-rc1~43^2~19^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9185124e8754e54f3ae03ef3b3eab628aa066ef6;p=pandora-kernel.git

KVM: s390: use atomic bitops to access pending_irqs bitmap

Currently we use a mixture of atomic/non-atomic bitops
and the local_int spin lock to protect the pending_irqs bitmap
and interrupt payload data.

We need to use atomic bitops for the pending_irqs bitmap everywhere
and in addition acquire the local_int lock where interrupt data needs
to be protected.

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

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