From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Wed, 14 Mar 2012 10:02:11 +0000 (+0100)
Subject: KVM: Convert intx_mask_lock to spin lock
X-Git-Tag: v3.4-rc1~59^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf9eeac46350b8b43730b7dc5e999757bed089a4;p=pandora-kernel.git

KVM: Convert intx_mask_lock to spin lock

As kvm_notify_acked_irq calls kvm_assigned_dev_ack_irq under
rcu_read_lock, we cannot use a mutex in the latter function. Switch to a
spin lock to address this.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

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