exe_ctx test fails on s390, because get_preempt_count() is not implemented and its fallback path always returns 0. Implement it using the new bpf_get_lowcore() kfunc. Signed-off-by: Ilya Leoshkevich --- tools/testing/selftests/bpf/bpf_experimental.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/testing/selftests/bpf/bpf_experimental.h b/tools/testing/selftests/bpf/bpf_experimental.h index 4453ad27b2ef7..44466acf80838 100644 --- a/tools/testing/selftests/bpf/bpf_experimental.h +++ b/tools/testing/selftests/bpf/bpf_experimental.h @@ -651,6 +651,8 @@ static inline int get_preempt_count(void) return bpf_get_current_task_btf()->thread_info.preempt.count; #elif defined(bpf_target_powerpc) return bpf_get_current_task_btf()->thread_info.preempt_count; +#elif defined(bpf_target_s390) + return bpf_get_lowcore()->preempt_count; #endif return 0; } @@ -660,6 +662,7 @@ static inline int get_preempt_count(void) * * x86 * * arm64 * * powerpc64 + * * s390x */ static inline int bpf_in_interrupt(void) { @@ -680,6 +683,7 @@ static inline int bpf_in_interrupt(void) * * x86 * * arm64 * * powerpc64 + * * s390x */ static inline int bpf_in_nmi(void) { @@ -691,6 +695,7 @@ static inline int bpf_in_nmi(void) * * x86 * * arm64 * * powerpc64 + * * s390x */ static inline int bpf_in_hardirq(void) { @@ -702,6 +707,7 @@ static inline int bpf_in_hardirq(void) * * x86 * * arm64 * * powerpc64 + * * s390x */ static inline int bpf_in_serving_softirq(void) { @@ -721,6 +727,7 @@ static inline int bpf_in_serving_softirq(void) * * x86 * * arm64 * * powerpc64 + * * s390x */ static inline int bpf_in_task(void) { -- 2.53.0