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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2026-02-17 19:05:09 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-03-03 19:35:07 +0300 |
| commit | 0f87614c4dbdd14bbcc23c69b09be58177ce7b9b (patch) | |
| tree | ade91f9d2ca3f424da9d4f109db585845f79459f /tools/testing | |
| parent | 6fe54677bcc2e7a42f5fcaa3c66600232ba54d44 (diff) | |
| download | linux-0f87614c4dbdd14bbcc23c69b09be58177ce7b9b.tar.xz | |
bpf/s390: Implement get_preempt_count()
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 <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20260217160813.100855-3-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_experimental.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_experimental.h b/tools/testing/selftests/bpf/bpf_experimental.h index 4453ad27b2ef..44466acf8083 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) { |