Hi Zhenliang, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.1-rc6 next-20190418] [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/Zhenliang-Wei/signal-trace_signal_deliver-when-signal_group_exit/20190423-062107 config: parisc-allyesconfig (attached as .config) compiler: hppa-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 # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/parisc/include/asm/signal.h:5:0, from include/uapi/linux/signal.h:5, from include/linux/signal_types.h:10, from include/linux/sched.h:28, from include/linux/sched/mm.h:7, from kernel/signal.c:16: kernel/signal.c: In function 'get_signal': >> arch/parisc/include/uapi/asm/signal.h:77:17: error: passing argument 3 of 'trace_signal_deliver' from incompatible pointer type [-Werror=incompatible-pointer-types] #define SIG_DFL ((__sighandler_t)0) /* default signal handling */ ^ kernel/signal.c:2444:50: note: in expansion of macro 'SIG_DFL' trace_signal_deliver(SIGKILL, SEND_SIG_NOINFO, SIG_DFL); ^~~~~~~ In file included from include/trace/syscall.h:5:0, from include/linux/syscalls.h:86, from kernel/signal.c:29: include/linux/tracepoint.h:235:21: note: expected 'struct k_sigaction *' but argument is of type 'void (*)(int)' static inline void trace_##name(proto) \ ^ include/linux/tracepoint.h:398:2: note: in expansion of macro '__DECLARE_TRACE' __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ ^~~~~~~~~~~~~~~ include/linux/tracepoint.h:534:2: note: in expansion of macro 'DECLARE_TRACE' DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~ include/trace/events/signal.h:96:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(signal_deliver, ^~~~~~~~~~~ cc1: some warnings being treated as errors vim +/trace_signal_deliver +77 arch/parisc/include/uapi/asm/signal.h 70c1674f6 David Howells 2012-10-16 76 70c1674f6 David Howells 2012-10-16 @77 #define SIG_DFL ((__sighandler_t)0) /* default signal handling */ 70c1674f6 David Howells 2012-10-16 78 #define SIG_IGN ((__sighandler_t)1) /* ignore signal */ 70c1674f6 David Howells 2012-10-16 79 #define SIG_ERR ((__sighandler_t)-1) /* error return from signal */ 70c1674f6 David Howells 2012-10-16 80 :::::: The code at line 77 was first introduced by commit :::::: 70c1674f62026e455c0c821fb7f4baf24d2d1139 UAPI: (Scripted) Disintegrate arch/parisc/include/asm :::::: TO: David Howells <dhowells@xxxxxxxxxx> :::::: CC: David Howells <dhowells@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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