On 9/16/20 10:55 AM, Martin KaFai Lau wrote:
On Tue, Sep 15, 2020 at 11:16:49PM -0700, Yonghong Song wrote:
[ ... ]
diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c
index 4a86ea34f29e..d43c3d6d0693 100644
--- a/net/core/bpf_sk_storage.c
+++ b/net/core/bpf_sk_storage.c
@@ -6
On Tue, Sep 15, 2020 at 11:16:49PM -0700, Yonghong Song wrote:
[ ... ]
> diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c
> index 4a86ea34f29e..d43c3d6d0693 100644
> --- a/net/core/bpf_sk_storage.c
> +++ b/net/core/bpf_sk_storage.c
> @@ -678,6 +678,7 @@ struct bpf_iter_seq_sk_sto
If a bucket contains a lot of sockets, during bpf_iter traversing
a bucket, concurrent userspace bpf_map_update_elem() and
bpf program bpf_sk_storage_{get,delete}() may experience
some undesirable delays as they will compete with bpf_iter
for bucket lock.
Note that the number of buckets for bpf_sk
