diff options
| author | Yonghong Song <yonghong.song@linux.dev> | 2025-06-06 18:36:21 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-06-06 19:21:43 -0700 |
| commit | 8c8c5e3c854a2593ec90dacd868f3066b67de1c4 (patch) | |
| tree | ae0b404b024f20fbf44a123d821c61de839b2353 /tools/testing/selftests/bpf/prog_tests/ringbuf.c | |
| parent | 377d3715900c1f465a5ea8a6a11bcbdc42b18668 (diff) | |
selftests/bpf: Fix ringbuf/ringbuf_write test failure with arm64 64KB page size
The ringbuf max_entries must be PAGE_ALIGNED. See kernel function
ringbuf_map_alloc(). So for arm64 64KB page size, adjust max_entries
and other related metrics properly.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20250607013621.1552332-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/ringbuf.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/ringbuf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c index da430df45aa4..d1e4cb28a72c 100644 --- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c +++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c @@ -97,7 +97,7 @@ static void ringbuf_write_subtest(void) if (!ASSERT_OK_PTR(skel, "skel_open")) return; - skel->maps.ringbuf.max_entries = 0x4000; + skel->maps.ringbuf.max_entries = 0x40000; err = test_ringbuf_write_lskel__load(skel); if (!ASSERT_OK(err, "skel_load")) @@ -108,7 +108,7 @@ static void ringbuf_write_subtest(void) mmap_ptr = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, rb_fd, 0); if (!ASSERT_OK_PTR(mmap_ptr, "rw_cons_pos")) goto cleanup; - *mmap_ptr = 0x3000; + *mmap_ptr = 0x30000; ASSERT_OK(munmap(mmap_ptr, page_size), "unmap_rw"); skel->bss->pid = getpid(); |