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Suzuki K Poulose 280cebfd05 KVM: arm64: Relax the restriction on using stage2 PUD huge mapping
We restrict mapping the PUD huge pages in stage2 to only when the
stage2 has 4 level page table, leaving the feature unused with
the default IPA size. But we could use it even with a 3
level page table, i.e, when the PUD level is folded into PGD,
just like the stage1. Relax the condition to allow using the
PUD huge page mappings at stage2 when it is possible.

Cc: Christoffer Dall <christoffer.dall@arm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
History 2019-02-07 11:44:47 +00:00
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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 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.