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b7ca3f331d
[ Upstream commit1396500d67] The devcoredump needs to operate on a stable state of the MMU while it is writing the MMU state to the coredump. The missing lock allowed both the userspace submit, as well as the GPU job finish paths to mutate the MMU state while a coredump is under way. Fixes:a8c21a5451(drm/etnaviv: add initial etnaviv DRM driver) Reported-by: David Jander <david@protonic.nl> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Tested-by: David Jander <david@protonic.nl> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Sasha Levin <sashal@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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.