WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #88: FILE: tools/testing/selftests/bpf/progs/call_large_imm.c:10: +volatile int zero = 0; WARNING: Prefer noinline over __attribute__((noinline)) #99: FILE: tools/testing/selftests/bpf/progs/call_large_imm.c:21: +static __attribute__((noinline)) void padding_subprog(void) WARNING: Avoid line continuations in quoted strings #101: FILE: tools/testing/selftests/bpf/progs/call_large_imm.c:23: + asm volatile (" \ WARNING: Prefer noinline over __attribute__((noinline)) #109: FILE: tools/testing/selftests/bpf/progs/call_large_imm.c:31: +static __attribute__((noinline)) int target_subprog(void) WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst #112: FILE: tools/testing/selftests/bpf/progs/call_large_imm.c:34: + volatile int magic_ret = 3; total: 0 errors, 5 warnings, 0 checks, 75 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 d8e95fd774c2 ("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, 5 warnings, 0 checks, 75 lines checked