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OpenCloudOS-Kernel
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vfio: revert "iommu driver notify callback" 

Revert this dead code:
  commit ec5e32940c ("vfio: iommu driver notify callback")

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/1675184289-267876-8-git-send-email-steven.sistare@oracle.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Steve Sistare 2023-01-31 08:58:09 -08:00 committed by Alex Williamson
parent a5ac1f8165
commit e592296cd6
2 changed files with 0 additions and 12 deletions
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5
drivers/vfio/container.c
View File

@ -383,11 +383,6 @@ static int vfio_fops_open(struct inode *inode, struct file *filep)
static int vfio_fops_release(struct inode *inode, struct file *filep) static int vfio_fops_release(struct inode *inode, struct file *filep)
{ {
struct vfio_container *container = filep->private_data; struct vfio_container *container = filep->private_data;
struct vfio_iommu_driver *driver = container->iommu_driver;
if (driver && driver->ops->notify)
driver->ops->notify(container->iommu_data,
VFIO_IOMMU_CONTAINER_CLOSE);
filep->private_data = NULL; filep->private_data = NULL;

7
drivers/vfio/vfio.h
View File

@ -89,11 +89,6 @@ int __init vfio_group_init(void);
void vfio_group_cleanup(void); void vfio_group_cleanup(void);
#if IS_ENABLED(CONFIG_VFIO_CONTAINER) #if IS_ENABLED(CONFIG_VFIO_CONTAINER)
/* events for the backend driver notify callback */
enum vfio_iommu_notify_type {
VFIO_IOMMU_CONTAINER_CLOSE = 0,
};
/** /**
* struct vfio_iommu_driver_ops - VFIO IOMMU driver callbacks * struct vfio_iommu_driver_ops - VFIO IOMMU driver callbacks
*/ */
@ -124,8 +119,6 @@ struct vfio_iommu_driver_ops {
void *data, size_t count, bool write); void *data, size_t count, bool write);
struct iommu_domain *(*group_iommu_domain)(void *iommu_data, struct iommu_domain *(*group_iommu_domain)(void *iommu_data,
struct iommu_group *group); struct iommu_group *group);
void (*notify)(void *iommu_data,
enum vfio_iommu_notify_type event);
}; };
struct vfio_iommu_driver { struct vfio_iommu_driver {