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ALTIVEC and VSX features are not added by to default to the POWERx CPU feature sets because they are intended to be enabled by firmware. Currently they end up in CPU_FTRS_POSSIBLE due to their inclusion in other the set for other CPUs, eg. PPC970. But they should be added individually to the CPU_FTRS_POSSIBLE set, because if we reduce the set of CPUs that are built-for they may disappear from the possible mask. It already contains CPU_FTR_VSX, so add ALTIVEC. The _COMP features should be used because they won't be present if compiled out. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> [mpe: Add detail to change log] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.