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37d56e0fb0
Memory intensive applications(which requires more tha 4GB) that wants to offload tasks to DSP might have to split the tasks to multiple user PD to make the resources available. For every call to DSP, fastrpc driver passes the process tgid which works as an identifier for the DSP to enqueue the tasks to specific PD. With current design, if any process opens device node more than once and makes PD init request, same tgid will be passed to DSP which will be considered a bad request and this will result in failure as the same identifier cannot be used for multiple DSP PD. Assign and pass a client ID to DSP which would be assigned during device open and will be dependent on the index of session allocated for the PD. This will allow the same process to open the device more than once and spawn multiple dynamic PD for ease of processing. Signed-off-by: Ekansh Gupta <quic_ekangupt@quicinc.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20250110134308.123739-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| README | ||
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.