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During resume hibernate restores all physical memory. Any memory that is accessed with the MMU disabled needs to be cleaned to the PoC. KVMs __hyp_text was previously ommitted as it runs with the MMU enabled, but now that the hyp-stub is located in this section, we must clean __hyp_text too. This ensures secondary CPUs that come online after hibernate has finished resuming, and load KVM via the freshly written hyp-stub see the correct instructions. Signed-off-by: James Morse <james.morse@arm.com> Cc: stable@vger.kernel.org Signed-off-by: Will Deacon <will.deacon@arm.com>
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.