Re: [PLEASE-TESTME] Zerocopy networking patch, 2.4.0-1

Jes Sorensen (
08 Jan 2001 23:32:48 +0100

>>>>> "David" == David S Miller <> writes:

David> We _had_ to change some drivers to show how to support this new
David> SKB api for transmit sg+csum support. If you can think of a
David> way for us to effectively do this work without changing at
David> least a few drivers as examples (and proof of concept), please
David> let us know.

Dave, I am not complaining about drivers having to be changed for this
to work I am fully aware of this need. My complaints are about how
this is being done, ie. I some people try to maintain drivers and have
certain ideas about how they structure their code etc. If you had sent
me a short email saying this is what we plan to do and this is what we
think should be done to your code, whats your oppinion. I would have
volunteered to help write the code and get the stuff integrated much
earlier as well as given you my input on how I would like to see the
changes implemented. Instead we now have a fairly large patch which
will take me a long time to merge into the driver version that I

David> In the process we hit real bugs in your driver, and tried to
David> deal with them as best we could so that we could continue
David> testing and debugging our own code.

I would have appreciated a simple email saying "we found bug X in your
driver" with either a patch attached or a short note of your

David> As a side note, as much as you may hate some of Alexey's
David> changes to your driver, several things he does fixes long
David> standing real bugs in the Acenic driver that you've been
David> papering over with workarounds for quite some time. I would
David> even go so far as to say that in many regards Alexey
David> understands the Acenic much better than you, and you would be
David> wise to work with Alexey and not against him. Thanks.

I don't question Alexey's skills and I have no intentions of working
against him. All I am asking is that someone lets me know if they make
major changes to my code so I can keep track of whats happening. It is
really hard to maintain code if you work on major changes while
someone else branches off in a different direction without you
knowing. It's simply a waste of everybody's time.

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