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Date: Mon, 23 Feb 2015 13:40:25 -0500 From: Matthew Wilcox <willy@...ux.intel.com> To: Arnd Bergmann <arnd@...db.de> Cc: Matthew Wilcox <willy@...ux.intel.com>, Geert Uytterhoeven <geert@...ux-m68k.org>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, linux-sh@...r.kernel.org, Vineet Gupta <vgupta@...opsys.com> Subject: Re: fs: dax: do not build on ARC or SH 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? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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