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4480912f3f
To prevent looping infinitely in MMU event handler we stop generating new events by removing 'R' (record) bit from context descriptor, but to ensure this change has effect KMD has to perform configuration invalidation followed by sync command. Because of that move parts of the interrupt handler that can take longer to a thread not to block in interrupt handler for too long. This includes: * disabling event queue for the time KMD updates MMU event queue consumer to ensure proper synchronization between MMU and KMD * removal of 'R' (record) bit from context descriptor to ensure no more faults are recorded until that context is destroyed Signed-off-by: Karol Wachowski <karol.wachowski@intel.com> Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250107173238.381120-8-maciej.falkowski@linux.intel.com |
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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.