Hi Michal, [auto build test ERROR on tip/perf/core] [also build test ERROR on v4.5-rc6 next-20160229] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Michal-Hocko/uprobes-wait-for-mmap_sem-for-write-killable/20160301-014513 config: i386-randconfig-x003-201609 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): In file included from include/linux/linkage.h:4:0, from include/linux/kernel.h:6, from kernel/events/uprobes.c:25: kernel/events/uprobes.c: In function 'xol_add_vma': kernel/events/uprobes.c:1133:6: error: implicit declaration of function 'down_write_killable' [-Werror=implicit-function-declaration] if (down_write_killable(&mm->mmap_sem)) ^ include/linux/compiler.h:147:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ kernel/events/uprobes.c:1133:2: note: in expansion of macro 'if' if (down_write_killable(&mm->mmap_sem)) ^ kernel/events/uprobes.c: In function 'dup_xol_work': >> kernel/events/uprobes.c:2029:0: error: unterminated argument list invoking macro "if" __initcall(init_uprobes); ^ >> kernel/events/uprobes.c:1473:2: error: expected '(' at end of input if (!__create_xol_area(current->utask->dup_xol_addr) && ^ >> kernel/events/uprobes.c:1473:2: error: expected declaration or statement at end of input kernel/events/uprobes.c: At top level: kernel/events/uprobes.c:961:12: warning: 'unapply_uprobe' defined but not used [-Wunused-function] static int unapply_uprobe(struct uprobe *uprobe, struct mm_struct *mm) ^ kernel/events/uprobes.c:1293:22: warning: 'xol_get_insn_slot' defined but not used [-Wunused-function] static unsigned long xol_get_insn_slot(struct uprobe *uprobe) ^ kernel/events/uprobes.c:1427:28: warning: 'get_utask' defined but not used [-Wunused-function] static struct uprobe_task *get_utask(void) ^ kernel/events/uprobes.c:1434:12: warning: 'dup_utask' defined but not used [-Wunused-function] static int dup_utask(struct task_struct *t, struct uprobe_task *o_utask) ^ kernel/events/uprobes.c:1462:13: warning: 'uprobe_warn' defined but not used [-Wunused-function] static void uprobe_warn(struct task_struct *t, const char *msg) ^ kernel/events/uprobes.c:1468:13: warning: 'dup_xol_work' defined but not used [-Wunused-function] static void dup_xol_work(struct callback_head *work) ^ cc1: some warnings being treated as errors vim +/if +2029 kernel/events/uprobes.c 0326f5a9 kernel/events/uprobes.c Srikar Dronamraju 2012-03-13 2023 32cdba1e kernel/events/uprobes.c Oleg Nesterov 2012-11-14 2024 if (percpu_init_rwsem(&dup_mmap_sem)) 32cdba1e kernel/events/uprobes.c Oleg Nesterov 2012-11-14 2025 return -ENOMEM; 32cdba1e kernel/events/uprobes.c Oleg Nesterov 2012-11-14 2026 0326f5a9 kernel/events/uprobes.c Srikar Dronamraju 2012-03-13 2027 return register_die_notifier(&uprobe_exception_nb); 2b144498 kernel/uprobes.c Srikar Dronamraju 2012-02-09 2028 } 736e89d9 kernel/events/uprobes.c Oleg Nesterov 2013-10-31 @2029 __initcall(init_uprobes); :::::: The code at line 2029 was first introduced by commit :::::: 736e89d9f782a7dd9a38ecda13b2db916fa72f33 uprobes: Kill module_init() and module_exit() :::::: TO: Oleg Nesterov <oleg@xxxxxxxxxx> :::::: CC: Oleg Nesterov <oleg@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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