On Thu, 08 Oct, at 05:07:34PM, Ross Zwisler wrote: > On Tue, Sep 22, 2015 at 03:46:51PM -0600, Ross Zwisler wrote: > > copy_user_page() is needed by DAX. Without this we get a compile error > > for DAX on SH: > > > > fs/dax.c:280:2: error: implicit declaration of function ‘copy_user_page’ > > [-Werror=implicit-function-declaration] > > copy_user_page(vto, (void __force *)vfrom, vaddr, to); > > ^ > > > > This was done with a random config that happened to include DAX support. > > > > This patch has only been compile tested. > > > > Signed-off-by: Ross Zwisler <ross.zwis...@linux.intel.com> > > Reported-by: Geert Uytterhoeven <ge...@linux-m68k.org> > > --- > > Apologies for the resend, I wanted to add some more recipients. > > --- > > arch/sh/include/asm/page.h | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h > > index fe20d14..ceb5201 100644 > > --- a/arch/sh/include/asm/page.h > > +++ b/arch/sh/include/asm/page.h > > @@ -59,6 +59,7 @@ pages_do_alias(unsigned long addr1, unsigned long addr2) > > > > #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) > > extern void copy_page(void *to, void *from); > > +#define copy_user_page(to, from, vaddr, pg) __copy_user(to, from, > > PAGE_SIZE) > > > > struct page; > > struct vm_area_struct; > > Ping?
Your best bet is probably to Cc Andrew (now Cc'd). Andrew, original patch is here, https://lkml.kernel.org/r/1442958411-4271-1-git-send-email-ross.zwis...@linux.intel.com -- Matt Fleming, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
