WARNING: line length of 94 exceeds 80 columns
#62: FILE: kernel/bpf/stackmap.c:127:
+static int fetch_build_id(struct vm_area_struct *vma, unsigned char *build_id, bool may_fault)

WARNING: line length of 82 exceeds 80 columns
#76: FILE: kernel/bpf/stackmap.c:144:
+					  u32 trace_nr, bool user, bool may_fault)

WARNING: line length of 82 exceeds 80 columns
#85: FILE: kernel/bpf/stackmap.c:175:
+		if (!vma || fetch_build_id(vma, id_offs[i].build_id, may_fault)) {

WARNING: line length of 95 exceeds 80 columns
#94: FILE: kernel/bpf/stackmap.c:266:
+		stack_map_get_build_id_offset(id_offs, trace_nr, user, false /* !may_fault */);

WARNING: line length of 84 exceeds 80 columns
#113: FILE: kernel/bpf/stackmap.c:425:
+	elem_size = user_build_id ? sizeof(struct bpf_stack_build_id) : sizeof(u64);

WARNING: line length of 91 exceeds 80 columns
#173: FILE: kernel/bpf/stackmap.c:499:
+	return __bpf_get_stack(regs, NULL, NULL, buf, size, flags, false /* !may_fault */);

WARNING: line length of 83 exceeds 80 columns
#183: FILE: kernel/bpf/stackmap.c:512:
+BPF_CALL_4(bpf_get_stack_sleepable, struct pt_regs *, regs, void *, buf, u32, size,

WARNING: line length of 89 exceeds 80 columns
#186: FILE: kernel/bpf/stackmap.c:515:
+	return __bpf_get_stack(regs, NULL, NULL, buf, size, flags, true /* may_fault */);

WARNING: line length of 85 exceeds 80 columns
#209: FILE: kernel/bpf/stackmap.c:539:
+		res = __bpf_get_stack(regs, task, NULL, buf, size, flags, may_fault);

WARNING: line length of 84 exceeds 80 columns
#218: FILE: kernel/bpf/stackmap.c:548:
+	return __bpf_get_task_stack(task, buf, size, flags, false /* !may_fault */);

WARNING: line length of 81 exceeds 80 columns
#228: FILE: kernel/bpf/stackmap.c:562:
+BPF_CALL_4(bpf_get_task_stack_sleepable, struct task_struct *, task, void *, buf,

WARNING: line length of 83 exceeds 80 columns
#231: FILE: kernel/bpf/stackmap.c:565:
+	return __bpf_get_task_stack(task, buf, size, flags, true /* !may_fault */);

WARNING: line length of 99 exceeds 80 columns
#253: FILE: kernel/bpf/stackmap.c:590:
+		return __bpf_get_stack(regs, NULL, NULL, buf, size, flags, false /* !may_fault */);

WARNING: line length of 99 exceeds 80 columns
#262: FILE: kernel/bpf/stackmap.c:610:
+		err = __bpf_get_stack(regs, NULL, trace, buf, size, flags, false /* !may_fault */);

WARNING: line length of 99 exceeds 80 columns
#271: FILE: kernel/bpf/stackmap.c:622:
+		err = __bpf_get_stack(regs, NULL, trace, buf, size, flags, false /* !may_fault */);

WARNING: line length of 95 exceeds 80 columns
#294: FILE: kernel/trace/bpf_trace.c:1590:
+		return prog->sleepable ? &bpf_get_stack_sleepable_proto : &bpf_get_stack_proto;

total: 0 errors, 16 warnings, 0 checks, 228 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit dc4a7c738ba1 ("bpf: wire up sleepable bpf_get_stack() and bpf_get_task_stack() helpers") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 16 warnings, 0 checks, 228 lines checked