Re: Mapping a piece of one process' addrspace to another?

[Alexander Viro]

On Wed, 7 Mar 2001, Jeremy Elson wrote:

> Right now, my code looks something like this: (it might make more
> sense if you know that I've written a framework for writing user-space
> device drivers... I'm going to be releasing it soon, hopefully after I
> resolve this performance problem.  Or maybe before, if it's hard.)

Ugh. Why not make that a named pipe and use zerocopy stuff for pipes?
I.e. why bother with making it look like a character device rather than
a FIFO?
                                                        Cheers,
                                                                Al

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