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ff07186b4d
setup_e820() is executed after UEFI's ExitBootService has been called. This causes the firmware to throw an exception because the Console IO protocol is supposed to work only during boot service environment. As per UEFI 2.9, section 12.1: "This protocol is used to handle input and output of text-based information intended for the system user during the operation of code in the boot services environment." So drop the diagnostic warning from this function. We might add back a warning that is issued later when initializing the kernel itself. Signed-off-by: Nikolay Borisov <nik.borisov@suse.com> Signed-off-by: Ard Biesheuvel <ardb@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.