WARNING: line length of 81 exceeds 80 columns
#38: FILE: tools/lib/bpf/bpf.c:77:
+	cmd = attr_common ? (cmd | BPF_COMMON_ATTRS) : (cmd & ~BPF_COMMON_ATTRS);

WARNING: line length of 86 exceeds 80 columns
#60: FILE: tools/lib/bpf/bpf.c:99:
+	fd = syscall(__NR_bpf, BPF_PROG_LOAD | BPF_COMMON_ATTRS, &attr, attr_sz, NULL,

WARNING: line length of 88 exceeds 80 columns
#93: FILE: tools/lib/bpf/features.c:590:
+		"BPF syscall common attributes support", probe_bpf_syscall_common_attrs,

total: 0 errors, 3 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 8175e3dce089 ("libbpf: Add support for extended bpf syscall") 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, 3 warnings, 0 checks, 75 lines checked