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commit 35fa2b4bf96415b88d7edaa5cf8af5185d9ce76e upstream.403ae52ac0("sparc: fix drivers/video/tcx.c warning") changed the physbase initializing breaking the user-space mmap, e.g. for Xorg entirely. Fix fbdev mmap table so the sbus mmap helper work correctly, and not try to map vastly (physbase) offset memory. Fixes:403ae52ac0("sparc: fix drivers/video/tcx.c warning") Cc: <stable@vger.kernel.org> Signed-off-by: René Rebe <rene@exactco.de> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.