Hi Jiri, FYI, the error/warning still remains. bisected to: af22cc785fe4a1127ce6df206405629ce4870761 BACKPORT: exit_thread: accept a task parameter to be exited commit date: 3 months ago config: powerpc-defconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout af22cc785fe4a1127ce6df206405629ce4870761 # save the attached .config to linux build tree make.cross ARCH=powerpc All errors (new ones prefixed by >>): >> arch/powerpc/kernel/process.c:1062:6: error: conflicting types for 'exit_thread' void exit_thread(void) ^~~~~~~~~~~ In file included from arch/powerpc/kernel/process.c:18:0: include/linux/sched.h:2821:13: note: previous declaration of 'exit_thread' was here extern void exit_thread(struct task_struct *tsk); ^~~~~~~~~~~ vim +/exit_thread +1062 arch/powerpc/kernel/process.c 14cf11af Paul Mackerras 2005-09-26 1061 14cf11af Paul Mackerras 2005-09-26 @1062 void exit_thread(void) 14cf11af Paul Mackerras 2005-09-26 1063 { 48abec07 Paul Mackerras 2005-11-30 1064 discard_lazy_cpu_state(); 14cf11af Paul Mackerras 2005-09-26 1065 } 14cf11af Paul Mackerras 2005-09-26 1066 :::::: The code at line 1062 was first introduced by commit :::::: 14cf11af6cf608eb8c23e989ddb17a715ddce109 powerpc: Merge enough to start building in arch/powerpc. :::::: TO: Paul Mackerras <paulus@xxxxxxxxx> :::::: CC: Paul Mackerras <paulus@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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