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The nest mmu required an explicit flush as a tlbi would not flush it in the same way as the core. However an alternate firmware fix exists which should eliminate the need for this flush, so instead add a device-tree property (ibm,nmmu-flush) on the NVLink2 PHB to enable it only if required. Signed-off-by: Alistair Popple <alistair@popple.id.au> Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> 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.