tree: https://github.com/zen-kernel/zen-kernel 5.5/muqss head: bf569053d0fe08b3615793a0105afff3d28f3676 commit: bf569053d0fe08b3615793a0105afff3d28f3676 [22/22] muqss: Re-define WF_* wake flags in wait.c config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-3) 7.5.0 reproduce: git checkout bf569053d0fe08b3615793a0105afff3d28f3676 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): #define WF_MIGRATED 0x04 /* internal use, task got migrated */ In file included from kernel/sched/wait.c:7:0: kernel/sched/sched.h:1659:0: note: this is the location of the previous definition #define WF_MIGRATED 0x4 /* Internal use, task got migrated */ vim +/WF_MIGRATED +14 kernel/sched/wait.c 8 9 /* 10 * wake flags 11 */ 12 #define WF_SYNC 0x01 /* waker goes to sleep after wakeup */ 13 #define WF_FORK 0x02 /* child wakeup after fork */ 15 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation