Messages in this thread | | | Date | Mon, 23 Feb 2015 13:40:25 -0500 | From | Matthew Wilcox <> | Subject | Re: fs: dax: do not build on ARC or SH |
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On Mon, Feb 23, 2015 at 12:29:45PM +0100, Arnd Bergmann wrote: > The DAX implementation relies on the architecture to provide a working > copy_user_page() function, as reported by Michael Ellerman's kisskb > build bot: > > fs/dax.c: error: implicit declaration of function 'copy_user_page' [-Werror=implicit-function-declaration]: => 266:2 > > We already have a list of architectures that are known to be incompatible, > but the list is missing ARC and SH at the moment. Further, blackfin and > c6x also lack support for this function, but are already excluded because > they do not support MMU-based kernels.
I've got a short list of patches for DAX; I'll add this one to the list.
Have the maintainers of these architectures been notified that they're missing a core piece of kernel functionality?
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