Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: fs: dax: do not build on ARC or SH | Date | Mon, 23 Feb 2015 22:31:02 +0100 |
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On Monday 23 February 2015 13:40:25 Matthew Wilcox wrote: > 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.
Ok, thanks!
> Have the maintainers of these architectures been notified that they're > missing a core piece of kernel functionality?
Not until you put them on Cc here.
Arnd
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