WARNING: line length of 85 exceeds 80 columns
#40: FILE: include/linux/bpf_verifier.h:325:
+	 * we also store stack's frame number in lower 4 bits (MAX_CALL_FRAMES is 16)

WARNING: Prefer noinline over __attribute__((noinline))
#80: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:56:
+__attribute__ ((noinline))

WARNING: Prefer noinline over __attribute__((noinline))
#86: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:62:
+__attribute__ ((noinline))

WARNING: Prefer noinline over __attribute__((noinline))
#92: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:68:
+__attribute__ ((noinline))

WARNING: Prefer noinline over __attribute__((noinline))
#98: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:74:
+__attribute__ ((noinline))

WARNING: Prefer noinline over __attribute__((noinline))
#104: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:80:
+__attribute__ ((noinline))

WARNING: Prefer noinline over __attribute__((noinline))
#110: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:86:
+__attribute__ ((noinline))

WARNING: Prefer noinline over __attribute__((noinline))
#116: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:92:
+__attribute__ ((noinline))

WARNING: Prefer noinline over __attribute__((noinline))
#122: FILE: tools/testing/selftests/bpf/progs/test_global_func3.c:98:
+__attribute__ ((noinline))

CHECK: spaces preferred around that '|' (ctx:VxV)
#184: FILE: tools/testing/selftests/bpf/verifier/calls.c:1222:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call I */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#187: FILE: tools/testing/selftests/bpf/verifier/calls.c:1225:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call J */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#190: FILE: tools/testing/selftests/bpf/verifier/calls.c:1228:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call K */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#193: FILE: tools/testing/selftests/bpf/verifier/calls.c:1231:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call L */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#196: FILE: tools/testing/selftests/bpf/verifier/calls.c:1234:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call M */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#199: FILE: tools/testing/selftests/bpf/verifier/calls.c:1237:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call N */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#202: FILE: tools/testing/selftests/bpf/verifier/calls.c:1240:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call O */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#205: FILE: tools/testing/selftests/bpf/verifier/calls.c:1243:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call P */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#215: FILE: tools/testing/selftests/bpf/verifier/calls.c:1284:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call I */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#218: FILE: tools/testing/selftests/bpf/verifier/calls.c:1287:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call J */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#221: FILE: tools/testing/selftests/bpf/verifier/calls.c:1290:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call K */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#224: FILE: tools/testing/selftests/bpf/verifier/calls.c:1293:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call L */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#227: FILE: tools/testing/selftests/bpf/verifier/calls.c:1296:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call M */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#230: FILE: tools/testing/selftests/bpf/verifier/calls.c:1299:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call N */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#233: FILE: tools/testing/selftests/bpf/verifier/calls.c:1302:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call O */
 	                    ^

CHECK: spaces preferred around that '|' (ctx:VxV)
#236: FILE: tools/testing/selftests/bpf/verifier/calls.c:1305:
+	BPF_RAW_INSN(BPF_JMP|BPF_CALL, 0, 1, 0, 1), /* call P */
 	                    ^

total: 0 errors, 9 warnings, 16 checks, 192 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 ee177540fb9b ("bpf: Bump maximum call stack depth to 16") 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, 9 warnings, 16 checks, 192 lines checked