Hi cuilifei, [auto build test ERROR on fuse/for-next] [also build test ERROR on v4.9-rc7 next-20161202] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/cuilifei/fuse-freezing-abort-when-use-wait_event_killable-_exclusive/20161203-120253 base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next config: x86_64-rhel-7.2 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): fs/fuse/dev.c: In function '__fuse_get_req': >> fs/fuse/dev.c:38:11: error: implicit declaration of function 'try_to_freeze' [-Werror=implicit-function-declaration] } while (try_to_freeze()); \ ^ fs/fuse/dev.c:174:10: note: in expansion of macro 'wait_fatal_freezable' intr = wait_fatal_freezable(fc->blocked_waitq, ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/try_to_freeze +38 fs/fuse/dev.c 32 condition); \ 33 else \ 34 __ret = wait_event_interruptible(wq, \ 35 condition); \ 36 if (!__ret || fatal_signal_pending(current)) \ 37 break; \ > 38 } while (try_to_freeze()); \ 39 __ret; \ 40 }) 41 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation