WARNING: Prefer noinline over __attribute__((noinline))
#80: FILE: tools/testing/selftests/bpf/progs/verifier_call_large_imm.c:17:
+static __attribute__((noinline)) void padding_subprog(void)

CHECK: Lines should not end with a '('
#82: FILE: tools/testing/selftests/bpf/progs/verifier_call_large_imm.c:19:
+	asm volatile (

WARNING: Prefer noinline over __attribute__((noinline))
#90: FILE: tools/testing/selftests/bpf/progs/verifier_call_large_imm.c:27:
+static __attribute__((noinline)) int target_subprog(void)

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#93: FILE: tools/testing/selftests/bpf/progs/verifier_call_large_imm.c:30:
+	volatile int magic_ret = 3;

CHECK: Lines should not end with a '('
#105: FILE: tools/testing/selftests/bpf/progs/verifier_call_large_imm.c:42:
+	asm volatile (

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#118: FILE: tools/testing/selftests/bpf/progs/verifier_call_large_imm.c:55:
+		volatile int flag = -1;

total: 0 errors, 4 warnings, 2 checks, 80 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 70cbfa609ba6 ("selftests/bpf: Add test for large offset bpf-to-bpf call") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 4 warnings, 2 checks, 80 lines checked