From 9269c393e7a971f98c0f54d7fc350ac7636d1fa5 Mon Sep 17 00:00:00 2001
From: Antonios Motakis <a.motakis@virtualopensystems.com>
Date: Mon, 16 Mar 2015 14:08:52 -0600
Subject: [PATCH] vfio: add local lock for virqfd instead of depending on VFIO
 PCI

The Virqfd code needs to keep accesses to any struct *virqfd safe, but
this comes into play only when creating or destroying eventfds, so sharing
the same spinlock with the VFIO bus driver is not necessary.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Baptiste Reynal <b.reynal@virtualopensystems.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Tested-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
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