WARNING: line length of 94 exceeds 80 columns
#51: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:130:
+#define __retval(val)		__attribute__((btf_decl_tag("comment:test_retval="XSTR(val))))

CHECK: Concatenated strings should use spaces between elements
#51: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:130:
+#define __retval(val)		__attribute__((btf_decl_tag("comment:test_retval="XSTR(val))))

WARNING: line length of 101 exceeds 80 columns
#52: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:131:
+#define __retval_unpriv(val)	__attribute__((btf_decl_tag("comment:test_retval_unpriv="XSTR(val))))

CHECK: Concatenated strings should use spaces between elements
#52: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:131:
+#define __retval_unpriv(val)	__attribute__((btf_decl_tag("comment:test_retval_unpriv="XSTR(val))))

total: 0 errors, 2 warnings, 2 checks, 83 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 f1c5fee98371 ("selftests/bpf: Allow macros in __retval") 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, 2 warnings, 2 checks, 83 lines checked