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f3a8a46d71
The standard input iova bits is 32. MediaTek quad the lvl1 pagetable (4 * lvl1). No change for lvl2 pagetable. Then the iova bits can reach 34bit. Signed-off-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Link: https://lore.kernel.org/r/20210111111914.22211-14-yong.wu@mediatek.com Signed-off-by: Will Deacon <will@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.