On Wed, Jun 21, 2017 at 4:36 PM, Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx> wrote: > From: Willem de Bruijn <willemb@xxxxxxxxxx> > > The send call ignores unknown flags. Legacy applications may already > unwittingly pass MSG_ZEROCOPY. Continue to ignore this flag unless a > socket opts in to zerocopy. > > Introduce socket option SO_ZEROCOPY to enable MSG_ZEROCOPY processing. > Processes can also query this socket option to detect kernel support > for the feature. Older kernels will return ENOPROTOOPT. > > Signed-off-by: Willem de Bruijn <willemb@xxxxxxxxxx> This was not rebased on top of the SO_PEERGROUPS patch. I will send a v3. -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html