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[ Upstream commit 0e0348ac3f0a6e6606f1aa5acb1803ada913aa3d ] vduse devices are not backed by any real devices such as PCI. Hence it doesn't have any parent device linked to it. Kernel driver model in [1] suggests to avoid an empty device release callback. Hence tie the mgmtdevice object's life cycle to an allocate dummy struct device instead of static one. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/core-api/kobject.rst?h=v5.18-rc7#n284 Signed-off-by: Parav Pandit <parav@nvidia.com> Message-Id: <20220613195223.473966-1-parav@nvidia.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Xie Yongji <xieyongji@bytedance.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.