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This cmd is useful to let the VMM (i.e, Qemu) know that the backing store associated with a resource is no longer valid, so that the VMM can perform any cleanup or unmap operations. The fence related changes and virtio_gpu_object_detach()/ virtio_gpu_detach_object_fenced() routines are extracted from a patch by Dmitry Osipenko <dmitry.osipenko@collabora.com>. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Dmitry Osipenko <dmitry.osipenko@collabora.com> Cc: Rob Clark <robdclark@gmail.com> Cc: Gurchetan Singh <gurchetansingh@chromium.org> Cc: Chia-I Wu <olvaffe@gmail.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241126031643.3490496-2-vivek.kasireddy@intel.com
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 reStructuredText 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.