Hi Gregory, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to tip/core/entry] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Gregory-Price/ptrace-syscall_user_dispatch-Implement-Syscall-User-Dispatch-Suspension/20230121-182401 patch link: https://lore.kernel.org/r/20230121102316.331935-3-gregory.price%40memverge.com patch subject: [PATCH v4 2/3] fs/proc/array: Add Syscall User Dispatch to proc status config: hexagon-randconfig-r041-20230119 (https://download.01.org/0day-ci/archive/20230121/202301212023.KjbRqxRz-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/a2cb8440d45e7d3030e7349c7c598971a951e5f2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Gregory-Price/ptrace-syscall_user_dispatch-Implement-Syscall-User-Dispatch-Suspension/20230121-182401 git checkout a2cb8440d45e7d3030e7349c7c598971a951e5f2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from fs/proc/array.c:61: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from fs/proc/array.c:61: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from fs/proc/array.c:61: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> fs/proc/array.c:435:8: error: use of undeclared identifier 'TIF_SYSCALL_USER_DISPATCH' test_syscall_work(SYSCALL_USER_DISPATCH)); ^ include/linux/thread_info.h:168:45: note: expanded from macro 'test_syscall_work' test_ti_thread_flag(current_thread_info(), TIF_##fl) ^ <scratch space>:70:1: note: expanded from here TIF_SYSCALL_USER_DISPATCH ^ 6 warnings and 1 error generated. vim +/TIF_SYSCALL_USER_DISPATCH +435 fs/proc/array.c 430 431 static inline void task_syscall_user_dispatch(struct seq_file *m, 432 struct task_struct *p) 433 { 434 seq_put_decimal_ull(m, "\nSyscall_user_dispatch:\t", > 435 test_syscall_work(SYSCALL_USER_DISPATCH)); 436 } 437 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
