Hi Elvira, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [also build test ERROR on v5.0-rc1] [cannot apply to next-20190103] [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/Dmitry-V-Levin/asm-generic-syscall-h-prepare-for-inclusion-by-other-files/20190107-115241 config: alpha-allmodconfig (attached as .config) compiler: alpha-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=alpha All errors (new ones prefixed by >>): kernel/ptrace.c: In function 'ptrace_get_syscall_info': >> kernel/ptrace.c:944:20: error: implicit declaration of function >> 'user_stack_pointer'; did you mean 'xa_tag_pointer'? >> [-Werror=implicit-function-declaration] .stack_pointer = user_stack_pointer(regs), ^~~~~~~~~~~~~~~~~~ xa_tag_pointer In file included from arch/alpha/include/asm/syscall.h:6:0, from include/linux/audit.h:214, from kernel/ptrace.c:24: kernel/ptrace.c: At top level: include/asm-generic/syscall.h:61:1: warning: 'syscall_rollback' declared 'static' but never defined [-Wunused-function] syscall_rollback(struct task_struct *task, struct pt_regs *regs); ^~~~~~~~~~~~~~~~ include/asm-generic/syscall.h:106:1: warning: 'syscall_set_return_value' declared 'static' but never defined [-Wunused-function] syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, ^~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/syscall.h:174:1: warning: '__syscall_set_arguments' used but never defined __syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, ^~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +944 kernel/ptrace.c 934 935 static int 936 ptrace_get_syscall_info(struct task_struct *child, unsigned long user_size, 937 void __user *datavp) 938 { 939 struct pt_regs *regs = task_pt_regs(child); 940 struct ptrace_syscall_info info = { 941 .op = PTRACE_SYSCALL_INFO_NONE, 942 .arch = syscall_get_arch(child), 943 .instruction_pointer = instruction_pointer(regs), > 944 .stack_pointer = user_stack_pointer(regs), 945 }; 946 unsigned long actual_size = offsetof(struct ptrace_syscall_info, entry); 947 unsigned long write_size; 948 949 /* 950 * This does not need lock_task_sighand() to access 951 * child->last_siginfo because ptrace_freeze_traced() 952 * called earlier by ptrace_check_attach() ensures that 953 * the tracee cannot go away and clear its last_siginfo. 954 */ 955 switch (child->last_siginfo ? child->last_siginfo->si_code : 0) { 956 case SIGTRAP | 0x80: 957 switch (child->ptrace_message) { 958 case PTRACE_EVENTMSG_SYSCALL_ENTRY: 959 actual_size = ptrace_get_syscall_info_entry(child, regs, 960 &info); 961 break; 962 case PTRACE_EVENTMSG_SYSCALL_EXIT: 963 actual_size = ptrace_get_syscall_info_exit(child, regs, 964 &info); 965 break; 966 } 967 break; 968 case SIGTRAP | (PTRACE_EVENT_SECCOMP << 8): 969 actual_size = ptrace_get_syscall_info_seccomp(child, regs, 970 &info); 971 break; 972 } 973 974 write_size = min(actual_size, user_size); 975 return copy_to_user(datavp, &info, write_size) ? -EFAULT : actual_size; 976 } 977 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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