diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_global_map_resize.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_global_map_resize.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_global_map_resize.c b/tools/testing/selftests/bpf/progs/test_global_map_resize.c index 2588f2384246..1fbb73d3e5d5 100644 --- a/tools/testing/selftests/bpf/progs/test_global_map_resize.c +++ b/tools/testing/selftests/bpf/progs/test_global_map_resize.c @@ -29,13 +29,16 @@ int my_int SEC(".data.non_array"); int my_array_first[1] SEC(".data.array_not_last"); int my_int_last SEC(".data.array_not_last"); +int percpu_arr[1] SEC(".data.percpu_arr"); + SEC("tp/syscalls/sys_enter_getpid") int bss_array_sum(void *ctx) { if (pid != (bpf_get_current_pid_tgid() >> 32)) return 0; - sum = 0; + /* this will be zero, we just rely on verifier not rejecting this */ + sum = percpu_arr[bpf_get_smp_processor_id()]; for (size_t i = 0; i < bss_array_len; ++i) sum += array[i]; @@ -49,7 +52,8 @@ int data_array_sum(void *ctx) if (pid != (bpf_get_current_pid_tgid() >> 32)) return 0; - sum = 0; + /* this will be zero, we just rely on verifier not rejecting this */ + sum = percpu_arr[bpf_get_smp_processor_id()]; for (size_t i = 0; i < data_array_len; ++i) sum += my_array[i]; |