WARNING: line length of 98 exceeds 80 columns
#36: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:156:
+#define __linear_size(sz)	__attribute__((btf_decl_tag("comment:test_linear_size="XSTR(sz))))

CHECK: Concatenated strings should use spaces between elements
#36: FILE: tools/testing/selftests/bpf/progs/bpf_misc.h:156:
+#define __linear_size(sz)	__attribute__((btf_decl_tag("comment:test_linear_size="XSTR(sz))))

WARNING: line length of 83 exceeds 80 columns
#78: FILE: tools/testing/selftests/bpf/test_loader.c:639:
+			err = parse_int(val, &spec->linear_sz, "test linear size");

WARNING: line length of 85 exceeds 80 columns
#89: FILE: tools/testing/selftests/bpf/test_loader.c:916:
+static int do_prog_test_run(int fd_prog, int *retval, bool empty_opts, int linear_sz)

WARNING: line length of 104 exceeds 80 columns
#116: FILE: tools/testing/selftests/bpf/test_loader.c:1186:
+				       bpf_program__type(tprog) == BPF_PROG_TYPE_SYSCALL ? true : false,

total: 0 errors, 4 warnings, 1 checks, 82 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 7ad804a9f6d3 ("selftests/bpf: Support non-linear flag in test loader") 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, 4 warnings, 1 checks, 82 lines checked