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| author |   Stanislav Fomichev <sdf@google.com> | 2020-06-16 18:04:16 -0700 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-06-17 10:54:05 -0700 |
| commit | 8030e250d882db174cbcd88273570ffb36a13080 (patch) | |
| tree | dc7cd3c1ae17b73b2a7e56cef6eaac706ae3c080 /samples/bpf/xdp_redirect_cpu_user.c | |
| parent | selftests/bpf: Make sure optvals > PAGE_SIZE are bypassed (diff) | |
| download | wireguard-linux-8030e250d882db174cbcd88273570ffb36a13080.tar.xz wireguard-linux-8030e250d882db174cbcd88273570ffb36a13080.zip | |
bpf: Document optval > PAGE_SIZE behavior for sockopt hooks
Extend existing doc with more details about requiring ctx->optlen = 0
for handling optval > PAGE_SIZE.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200617010416.93086-3-sdf@google.com
Diffstat (limited to 'samples/bpf/xdp_redirect_cpu_user.c')
0 files changed, 0 insertions, 0 deletions