| commit | d719de0d2f3cbdb5890a147b90a51c5eaaef103e | [log] [tgz] |
|---|---|---|
| author | Yucong Sun <sunyucong@gmail.com> | Wed Oct 06 11:56:11 2021 -0700 |
| committer | Andrii Nakryiko <andrii@kernel.org> | Fri Oct 08 15:10:43 2021 -0700 |
| tree | 363c270ccc427c5772f6802454a647321dd913a3 | |
| parent | e87c3434f81ae566693cfdc22370dc938b2989dd [diff] |
selftests/bpf: Fix race condition in enable_stats In parallel execution mode, this test now need to use atomic operation to avoid race condition. Signed-off-by: Yucong Sun <sunyucong@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211006185619.364369-7-fallentree@fb.com
diff --git a/tools/testing/selftests/bpf/progs/test_enable_stats.c b/tools/testing/selftests/bpf/progs/test_enable_stats.c index 01a002a..1705097 100644 --- a/tools/testing/selftests/bpf/progs/test_enable_stats.c +++ b/tools/testing/selftests/bpf/progs/test_enable_stats.c
@@ -13,6 +13,6 @@ SEC("raw_tracepoint/sys_enter") int test_enable_stats(void *ctx) { - count += 1; + __sync_fetch_and_add(&count, 1); return 0; }