On 6/29/20 3:17 PM, Andrii Nakryiko wrote:
BPF ringbuf assumes the size to be a multiple of page size and the power of
2 value. The latter is important to avoid division while calculating position
inside the ring buffer and using (N-1) mask instead. This patch fixes omission
to enforce power-of-2 size rule.
Fixes: 457f44363a88 ("bpf: Implement BPF ring buffer and verifier support for
it")
Signed-off-by: Andrii Nakryiko <andr...@fb.com>
Acked-by: Yonghong Song <y...@fb.com>
