git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-28 21:46:02 -04:00
Code Issues Packages Projects Releases Wiki Activity

vfio/mdev: embedd struct mdev_parent in the parent data structure

Browse Source 
Simplify mdev_{un}register_device by requiring the caller to pass in
a structure allocate as part of the parent device structure.  This
removes the need for a list of parents and the separate mdev_parent
refcount as we can simplify rely on the reference to the parent device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Link: https://lore.kernel.org/r/20220923092652.100656-5-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Christoph Hellwig
2022-09-23 11:26:42 +02:00
committed by Alex Williamson
parent bdef2b7896
commit 89345d5177
17 changed files with 71 additions and 146 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/s390/crypto/vfio_ap_ops.c
View File

@@ -1830,7 +1830,8 @@ int vfio_ap_mdev_register(void)
if (ret)
return ret;
ret = mdev_register_device(&matrix_dev->device, &vfio_ap_matrix_driver);
ret = mdev_register_parent(&matrix_dev->parent, &matrix_dev->device,
&vfio_ap_matrix_driver);
if (ret)
goto err_driver;
return 0;
@@ -1842,7 +1843,7 @@ err_driver:
void vfio_ap_mdev_unregister(void)
{
mdev_unregister_device(&matrix_dev->device);
mdev_unregister_parent(&matrix_dev->parent);
mdev_unregister_driver(&vfio_ap_matrix_driver);
}