svn commit: r241931 - in head/sys: conf kern

[Alan Cox]

On 10/23/2012 11:05, Gleb Smirnoff wrote:
> On Tue, Oct 23, 2012 at 05:05:48PM +0200, Andre Oppermann wrote:
> A>  There shouldn't be any users.  Zero copy send is broken and
> A>  responsible for random kernel crashes.  Zero copy receive isn't
> A>  supported by any modern driver.  Both are useless to dangerous.
> A>
> A>  The main problem with ZERO_COPY_SOCKETS was that it sounded great
> A>  and who wouldn't want to have zero copy sockets?  Unfortunately
> A>  it doesn't work that way.
>
> Okay, it appeared that there are users, even on current@ mailing
> list during couple of hours of exposition.

In my experience, that is because they are reporting a crash.

> Can we keep the old option as compatibility?
>
>