On Mon, May 15, 2017 at 6:25 AM, Arnd Bergmann <a...@arndb.de> wrote: > On Sun, May 14, 2017 at 1:21 AM, kbuild test robot > <fengguang...@intel.com> wrote: >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >> master >> head: cd636458904a04de2349c728323c5d2af1203bdf >> commit: ef51042472f55b325fd7f2b26a2e29fd89757234 block, dax: move "select >> DAX" from BLOCK to FS_DAX >> date: 5 days ago >> config: ia64-bigsur_defconfig (attached as .config) >> compiler: ia64-linux-gcc (GCC) 6.2.0 >> reproduce: >> wget >> https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O >> ~/bin/make.cross >> chmod +x ~/bin/make.cross >> git checkout ef51042472f55b325fd7f2b26a2e29fd89757234 >> # save the attached .config to linux build tree >> make.cross ARCH=ia64 >> >> All errors (new ones prefixed by >>): >> >> fs/built-in.o: In function `xfs_file_iomap_end': >>>> xfs_iomap.c:(.text+0x2e3022): undefined reference to `put_dax' >> fs/built-in.o: In function `xfs_file_iomap_begin': >>>> xfs_iomap.c:(.text+0x2e4502): undefined reference to `dax_get_by_host' > > This is caused by CONFIG_DAX now being allowed to be '=m' while used by > a built-in file system. This only happens for XFS at the moment though, as the > other file systems check for CONFIG_FS_DAX already. > > I have a patch that I'm testing at the moment. >
Hi Arnd, I have this patch out for testing. https://patchwork.kernel.org/patch/9725515/