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24c3f063c5
Independent builds of the vm selftests is currently broken because commit7549b33642("selftests: vm: Build/Run 64bit tests only on 64bit arch") overrides the value of ARCH with the machine name from uname. This does not always match the architecture names used for tasks like header installation. E.g. for building tests on powerpc64, we need ARCH=powerpc and not ARCH=ppc64 or ARCH=ppc64le. Otherwise, the build fails as shown below. $ uname -m ppc64le $ make -C tools/testing/selftests/vm make: Entering directory '/home/sandipan/linux/tools/testing/selftests/vm' make --no-builtin-rules ARCH=ppc64le -C ../../../.. headers_install make[1]: Entering directory '/home/sandipan/linux' Makefile:653: arch/ppc64le/Makefile: No such file or directory make[1]: *** No rule to make target 'arch/ppc64le/Makefile'. Stop. make[1]: Leaving directory '/home/sandipan/linux' ../lib.mk:50: recipe for target 'khdr' failed make: *** [khdr] Error 2 make: Leaving directory '/home/sandipan/linux/tools/testing/selftests/vm' Fixes:7549b33642("selftests: vm: Build/Run 64bit tests only on 64bit arch") Signed-off-by: Sandipan Das <sandipan@linux.ibm.com> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Shuah Khan <skhan@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.