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[ Upstream commit59f08896f0] After commit62974fc389("libnvdimm: Enable unit test infrastructure compile checks"), clang warns: In file included from ../drivers/nvdimm/../../tools/testing/nvdimm/test/iomap.c:15: ../drivers/nvdimm/../../tools/testing/nvdimm/test/nfit_test.h:206:15: warning: redefinition of typedef 'acpi_handle' is a C11 feature [-Wtypedef-redefinition] typedef void *acpi_handle; ^ ../include/acpi/actypes.h:424:15: note: previous definition is here typedef void *acpi_handle; /* Actually a ptr to a NS Node */ ^ 1 warning generated. The include chain: iomap.c -> linux/acpi.h -> acpi/acpi.h -> acpi/actypes.h nfit_test.h Avoid this by including linux/acpi.h in nfit_test.h, which allows us to remove both the typedef and the forward declaration of acpi_object. Link: https://github.com/ClangBuiltLinux/linux/issues/660 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/20190918042148.77553-1-natechancellor@gmail.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> 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.
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.