On Fri, Jan 15, 2021 at 8:35 AM Stanislav Fomichev <sdf@xxxxxxxxxx> wrote:
>
> First patch adds custom getsockopt for TCP_ZEROCOPY_RECEIVE
> to remove kmalloc and lock_sock overhead from the dat path.
>
> Second patch removes kzalloc/kfree from getsockopt for the common cases.
>
> Third patch switches cgroup_bpf_enabled to be per-attach to
> to add only overhead for the cgroup attach types used on the system.
>
> No visible user-side changes.
>
> v9:
> - include linux/tcp.h instead of netinet/tcp.h in sockopt_sk.c
> - note that v9 depends on the commit 4be34f3d0731 ("bpf: Don't leak
> memory in bpf getsockopt when optlen == 0") from bpf tree
I've rebased bpf-next to include that fix from bpf and applied this set.
Thanks!
