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6ba8d4547e
Mali T628r0p1 which may be found in Samsung Exynos 5422 SOC is
definitely not dma coherent, and it is not happy with PTE_SH_OS bit set
by default in commit 728da60da7 ("iommu/io-pgtable-arm: Support
coherency for Mali LPAE"). Use PTE_SH_IS by default for non dma
coherent Mali GPUs.
Signed-off-by: Pavel Golikov <Paullo612@ya.ru>
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.