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Commit2ae27137b2("x86: mm: convert dump_pagetables to use walk_page_range") broke Xen PV guests as the hypervisor reserved hole in the memory map was not taken into account. Fix that by starting the kernel range only at GUARD_HOLE_END_ADDR. Fixes:2ae27137b2("x86: mm: convert dump_pagetables to use walk_page_range") Reported-by: Julien Grall <julien@xen.org> Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Julien Grall <julien@xen.org> Link: https://lkml.kernel.org/r/20200221103851.7855-1-jgross@suse.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.