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0cbaf65c91
The tee_context can be used to manage TEE user resources, including those allocated by the driver for the TEE on behalf of the user. The release() callback is invoked only when all resources, such as tee_shm, are released and there are no references to the tee_context. When a user closes the device file, the driver should notify the TEE to release any resources it may hold and drop the context references. To achieve this, a close_context() callback is introduced to initiate resource release in the TEE driver when the device file is closed. Relocate teedev_ctx_get, teedev_ctx_put, tee_device_get, and tee_device_get functions to tee_core.h to make them accessible outside the TEE subsystem. Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> Tested-by: Harshal Dev <quic_hdev@quicinc.com> Signed-off-by: Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> |
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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.