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SubjectRe: fs: dax: do not build on ARC or SH
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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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