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From: Liu Ping Fan <qemulist@gmail.com>
Date: Wed, 25 Jul 2012 11:31:05 +0800
Message-Id: <1343187070-27371-1-git-send-email-qemulist@gmail.com>
Subject: [Qemu-devel] [PATCH 0/5] prepare unplug out of protection of global
	lock
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To: qemu-devel@nongnu.org
Cc: kvm@vger.kernel.org, Stefan Hajnoczi <stefanha@gmail.com>, Marcelo Tosatti <mtosatti@redhat.com>, Avi Kivity <avi@redhat.com>, Anthony Liguori <anthony@codemonkey.ws>, Jan Kiszka <jan.kiszka@siemens.com>

refer to orignal plan posted by Marcelo Tosatti,
http://lists.gnu.org/archive/html/qemu-devel/2012-06/msg04315.html

These patches protect DeviceState's rd from reclaimer. It is neccessary
when no qemu_global_lock protects between them.