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authorAntonios Motakis <a.motakis@virtualopensystems.com>2015-03-16 21:08:54 +0100
committerAlex Williamson <alex.williamson@redhat.com>2015-03-16 21:08:54 +0100
commit42ac9bd18d4fc28c36c7927847f0f6e90ecd7710 (patch)
tree7250c8a8186ac25d171533c71037968077ef1cf1 /drivers/vfio/vfio.c
parentvfio: move eventfd support code for VFIO_PCI to a separate file (diff)
downloadlinux-42ac9bd18d4fc28c36c7927847f0f6e90ecd7710.tar.xz
linux-42ac9bd18d4fc28c36c7927847f0f6e90ecd7710.zip
vfio: initialize the virqfd workqueue in VFIO generic code
Now we have finally completely decoupled virqfd from VFIO_PCI. We can initialize it from the VFIO generic code, in order to safely use it from multiple independent VFIO bus drivers. 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>
Diffstat (limited to 'drivers/vfio/vfio.c')
-rw-r--r--drivers/vfio/vfio.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 4cde85501444..23ba12afe01f 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1553,6 +1553,11 @@ static int __init vfio_init(void)
if (ret)
goto err_cdev_add;
+ /* Start the virqfd cleanup handler used by some VFIO bus drivers */
+ ret = vfio_virqfd_init();
+ if (ret)
+ goto err_virqfd;
+
pr_info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
/*
@@ -1565,6 +1570,8 @@ static int __init vfio_init(void)
return 0;
+err_virqfd:
+ cdev_del(&vfio.group_cdev);
err_cdev_add:
unregister_chrdev_region(vfio.group_devt, MINORMASK);
err_alloc_chrdev:
@@ -1579,6 +1586,7 @@ static void __exit vfio_cleanup(void)
{
WARN_ON(!list_empty(&vfio.group_list));
+ vfio_virqfd_exit();
idr_destroy(&vfio.group_idr);
cdev_del(&vfio.group_cdev);
unregister_chrdev_region(vfio.group_devt, MINORMASK);