WARNING: line length of 90 exceeds 80 columns
#27: FILE: tools/testing/selftests/bpf/progs/cpumask_failure.c:228:
+int BPF_PROG(test_populate_invalid_destination, struct task_struct *task, u64 clone_flags)

WARNING: line length of 83 exceeds 80 columns
#33: FILE: tools/testing/selftests/bpf/progs/cpumask_failure.c:234:
+	ret = bpf_cpumask_populate((struct cpumask *)invalid, &bits, sizeof(bits));

WARNING: line length of 85 exceeds 80 columns
#42: FILE: tools/testing/selftests/bpf/progs/cpumask_failure.c:243:
+int BPF_PROG(test_populate_invalid_source, struct task_struct *task, u64 clone_flags)

CHECK: Please don't use multiple blank lines
#70: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:760:
 
+

WARNING: line length of 88 exceeds 80 columns
#81: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:777:
+int BPF_PROG(test_populate_reject_small_mask, struct task_struct *task, u64 clone_flags)

WARNING: line length of 93 exceeds 80 columns
#92: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:788:
+	ret = bpf_cpumask_populate((struct cpumask *)local, &toofewbits, sizeof(toofewbits));

WARNING: externs should be avoided in .c files
#106: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:802:
+extern bool CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS __kconfig __weak;

WARNING: line length of 87 exceeds 80 columns
#110: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:806:
+int BPF_PROG(test_populate_reject_unaligned, struct task_struct *task, u64 clone_flags)

WARNING: line length of 86 exceeds 80 columns
#129: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:825:
+	ret = bpf_cpumask_populate((struct cpumask *)mask, src, CPUMASK_TEST_MASKLEN);

CHECK: Please don't use multiple blank lines
#138: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:834:
+
+

WARNING: line length of 82 exceeds 80 columns
#157: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:853:
+	/* Pass the entire bits array, the kfunc will only copy the valid bits. */

WARNING: line length of 87 exceeds 80 columns
#158: FILE: tools/testing/selftests/bpf/progs/cpumask_success.c:854:
+	ret = bpf_cpumask_populate((struct cpumask *)mask, bits, CPUMASK_TEST_MASKLEN);

CHECK: From:/Signed-off-by: email comments mismatch: 'From: Emil Tsalapatis <emil@etsalapatis.com>' != 'Signed-off-by: Emil Tsalapatis (Meta) <emil@etsalapatis.com>'

total: 0 errors, 10 warnings, 3 checks, 164 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 bc3f83fd7a9e ("selftests: bpf: add bpf_cpumask_fill selftests") 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, 10 warnings, 3 checks, 164 lines checked