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In cases of multi-tenants, administrators may want to prevent data leakage between users running on the same device one after another. To do that the driver can scrub the internal memory (both SRAM and DRAM) after a user finish to use the memory. Because in GAUDI the driver allows only one application to use the device at a time, it can scrub the memory when user app close FD. In future devices where we have MMU on the DRAM, we can scrub the DRAM memory with a finer granularity (page granularity) when the user allocates the memory. This feature is not supported in Goya. To allow users that want to debug their applications, we add a kernel module parameter to load the driver with this feature disabled. Signed-off-by: farah kassabri <fkassabri@habana.ai> Reviewed-by: Oded Gabbay <ogabbay@kernel.org> Signed-off-by: Oded Gabbay <ogabbay@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.