WARNING: line length of 81 exceeds 80 columns
#78: FILE: tools/testing/selftests/bpf/prog_tests/ctx_kfunc.c:34:
+	/* 2. When we run this, the kernel will execute the BPF prog on CPU 0. */

CHECK: No space is necessary after a cast
#120: FILE: tools/testing/selftests/bpf/progs/test_ctx.c:11:
+extern bool bpf_in_nmi(void) __ksym;

CHECK: No space is necessary after a cast
#121: FILE: tools/testing/selftests/bpf/progs/test_ctx.c:12:
+extern bool bpf_in_hardirq(void) __ksym;

CHECK: No space is necessary after a cast
#122: FILE: tools/testing/selftests/bpf/progs/test_ctx.c:13:
+extern bool bpf_in_serving_softirq(void) __ksym;

CHECK: No space is necessary after a cast
#123: FILE: tools/testing/selftests/bpf/progs/test_ctx.c:14:
+extern bool bpf_in_task(void) __ksym;

CHECK: No space is necessary after a cast
#124: FILE: tools/testing/selftests/bpf/progs/test_ctx.c:15:
+extern void bpf_kfunc_trigger_ctx_check(void) __ksym;

CHECK: No space is necessary after a cast
#228: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod_kfunc.h:174:
+void bpf_kfunc_trigger_ctx_check(void) __ksym;

total: 0 errors, 1 warnings, 6 checks, 168 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 54f3cffa0d95 ("selftests/bpf: Add tests for execution context kfuncs") 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, 1 warnings, 6 checks, 168 lines checked