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[ Upstream commit567e44fb51] If PPC_BOOK3S, PPC_PMAC and PPC32 is n, COMPILE_TEST build fails: drivers/video/fbdev/controlfb.c:70:0: error: "pgprot_cached_wthru" redefined [-Werror] #define pgprot_cached_wthru(prot) (prot) In file included from ./arch/powerpc/include/asm/pgtable.h:20:0, from ./include/linux/pgtable.h:6, from ./include/linux/mm.h:33, from drivers/video/fbdev/controlfb.c:37: ./arch/powerpc/include/asm/nohash/pgtable.h:243:0: note: this is the location of the previous definition #define pgprot_cached_wthru(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \ Fixes:a07a63b0e2("video: fbdev: controlfb: add COMPILE_TEST support") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sasha Levin <sashal@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.