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Apparently there are some machines that put semi-sensible looking values into the stolen "reserved" base and size, except those values are actually outside the stolen memory. There is a bit in the register which supposedly could tell us whether the reserved area is even enabled or not. Let's check for that before we go trusting the base and size. Cc: Tomi Sarvela <tomi.p.sarvela@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171102151737.23336-1-ville.syrjala@linux.intel.com Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.