tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/static_call head: 814cfbceba54e980b1f949a13d04b1909bbe80da commit: f8cff6dfd839277e169c290ab64cae9b2411e92a [15/34] x86/kprobes: Convert to text-patching.h config: x86_64-lkp (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: git checkout f8cff6dfd839277e169c290ab64cae9b2411e92a # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/x86/kernel/kprobes/core.c: In function 'setup_singlestep': if (p->opcode == INT3_INSN_OPCODED) ^~~~~~~~~~~~~~~~~ INT3_INSN_OPCODE arch/x86/kernel/kprobes/core.c:612:19: note: each undeclared identifier is reported only once for each function it appears in arch/x86/kernel/kprobes/core.c: In function 'kprobe_int3_handler': arch/x86/kernel/kprobes/core.c:698:22: error: 'INT3_INSN_OPCODED' undeclared (first use in this function); did you mean 'INT3_INSN_OPCODE'? } else if (*addr != INT3_INSN_OPCODED) { ^~~~~~~~~~~~~~~~~ INT3_INSN_OPCODE vim +612 arch/x86/kernel/kprobes/core.c 580 581 static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, 582 struct kprobe_ctlblk *kcb, int reenter) 583 { 584 if (setup_detour_execution(p, regs, reenter)) 585 return; 586 587 #if !defined(CONFIG_PREEMPTION) 588 if (p->ainsn.boostable && !p->post_handler) { 589 /* Boost up -- we can execute copied instructions directly */ 590 if (!reenter) 591 reset_current_kprobe(); 592 /* 593 * Reentering boosted probe doesn't reset current_kprobe, 594 * nor set current_kprobe, because it doesn't use single 595 * stepping. 596 */ 597 regs->ip = (unsigned long)p->ainsn.insn; 598 return; 599 } 600 #endif 601 if (reenter) { 602 save_previous_kprobe(kcb); 603 set_current_kprobe(p, regs, kcb); 604 kcb->kprobe_status = KPROBE_REENTER; 605 } else 606 kcb->kprobe_status = KPROBE_HIT_SS; 607 /* Prepare real single stepping */ 608 clear_btf(); 609 regs->flags |= X86_EFLAGS_TF; 610 regs->flags &= ~X86_EFLAGS_IF; 611 /* single step inline if the instruction is an int3 */ 613 regs->ip = (unsigned long)p->addr; 614 else 615 regs->ip = (unsigned long)p->ainsn.insn; 616 } 617 NOKPROBE_SYMBOL(setup_singlestep); 618 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation