On Fri, Jun 01, 2018 at 01:54:49AM +0100, Al Viro wrote: > On Fri, Jun 01, 2018 at 08:36:47AM +0800, kbuild test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.aio > > head: 087e566916ce2cde4f20a148607c9c3591f46f67 > > commit: d9a08a9e616beeccdbd0e7262b7225ffdfa49e92 [10/12] fs: Add aio iopriority support > > config: x86_64-randconfig-u0-06010558 (attached as .config) > > compiler: gcc-5 (Debian 5.5.0-3) 5.4.1 20171010 > > reproduce: > > git checkout d9a08a9e616beeccdbd0e7262b7225ffdfa49e92 > > # save the attached .config to linux build tree > > make ARCH=x86_64 > > > > All errors (new ones prefixed by >>): > > > > fs/aio.o: In function `aio_prep_rw': > > >> fs/aio.c:1444: undefined reference to `ioprio_check_cap' gcc-6 ((Debian 6.3.0-18+deb9u1) 6.3.0 20170516) does not trigger that on your config. Neither does gcc-5 (Debian 5.4.1-4) 5.4.1 20161202 with the same config sans GCC_PLUGINS crap...