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vfio/mdev: Remove kobj from mdev_parent_ops->create()

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The kobj here is a type-erased version of mdev_type, which is already
stored in the struct mdev_device being passed in. It was only ever used to
compute the type_group_id, which is now extracted directly from the mdev.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <17-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Jason Gunthorpe
2021-04-06 16:40:40 -03:00
committed by Alex Williamson
parent 383987fd15
commit c2ef2f50ad
8 changed files with 8 additions and 9 deletions
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3
include/linux/mdev.h
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@@ -61,7 +61,6 @@ unsigned int mtype_get_type_group_id(struct kobject *mtype_kobj);
* @create: Called to allocate basic resources in parent device's
* driver for a particular mediated device. It is
* mandatory to provide create ops.
* @kobj: kobject of type for which 'create' is called.
* @mdev: mdev_device structure on of mediated device
* that is being created
* Returns integer: success (0) or error (< 0)
@@ -107,7 +106,7 @@ struct mdev_parent_ops {
const struct attribute_group **mdev_attr_groups;
struct attribute_group **supported_type_groups;
int (*create)(struct kobject *kobj, struct mdev_device *mdev);
int (*create)(struct mdev_device *mdev);
int (*remove)(struct mdev_device *mdev);
int (*open)(struct mdev_device *mdev);
void (*release)(struct mdev_device *mdev);