ERROR: spaces required around that ':' (ctx:VxW) #26: FILE: tools/testing/selftests/bpf/progs/verifier_stack_noperfmon.c:24: +__description("stack_noperfmon: narrow spill onto 64-bit scalar spilled slots") ^ CHECK: spaces preferred around that '-' (ctx:VxV) #26: FILE: tools/testing/selftests/bpf/progs/verifier_stack_noperfmon.c:24: +__description("stack_noperfmon: narrow spill onto 64-bit scalar spilled slots") ^ WARNING: Avoid unnecessary line continuations #30: FILE: tools/testing/selftests/bpf/progs/verifier_stack_noperfmon.c:28: + asm volatile(" \ WARNING: Avoid line continuations in quoted strings #30: FILE: tools/testing/selftests/bpf/progs/verifier_stack_noperfmon.c:28: + asm volatile(" \ ERROR: "(foo*)" should be "(foo *)" #31: FILE: tools/testing/selftests/bpf/progs/verifier_stack_noperfmon.c:29: + *(u64*)(r10 - 8) = 1; \ CHECK: spaces preferred around that '*' (ctx:ExV) #31: FILE: tools/testing/selftests/bpf/progs/verifier_stack_noperfmon.c:29: + *(u64*)(r10 - 8) = 1; \ ^ ERROR: "(foo*)" should be "(foo *)" #32: FILE: tools/testing/selftests/bpf/progs/verifier_stack_noperfmon.c:30: + *(u32*)(r10 - 8) = 1; \ total: 3 errors, 2 warnings, 2 checks, 18 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 dfe1423981b2 ("selftests/bpf: Add test for narrow spill into 64-bit spilled scalar") 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.