Make get_preempt_count() to return -1 for unsupported architectures instead of 0, so callers can distinguish not supported from a valid preempt_count of 0. Signed-off-by: Saket Kumar Bhaskar --- tools/testing/selftests/bpf/bpf_experimental.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/bpf_experimental.h b/tools/testing/selftests/bpf/bpf_experimental.h index 2cd9165c7348..6759d2ae6151 100644 --- a/tools/testing/selftests/bpf/bpf_experimental.h +++ b/tools/testing/selftests/bpf/bpf_experimental.h @@ -631,7 +631,7 @@ static inline int get_preempt_count(void) #elif defined(bpf_target_arm64) return bpf_get_current_task_btf()->thread_info.preempt.count; #endif - return 0; + return -1; } /* Description -- 2.52.0