From: Evgeniy Polyakov <[EMAIL PROTECTED]>
Date: Fri, 28 Apr 2006 20:12:21 +0400

> If there is dataflow, not flow of packets or flow of data with holes,
> it could be possible to modify recv() to just return the right pointer,
> so in theory userspace modifications would be minimal.
> With copy in place it completely does not differ from current design
> with copy_to_user() being used since memcpy() is just slightly faster
> than copy*user().

I very much feel that avoiding userland API changes is
a complete mistake.

We need new interfaces to do this right.
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