On Fri, Aug 07, 1998 at 01:52:16PM +0100, Alan Cox wrote:
> > Why couldn't we at least mmap the skbuffs?
>
> By the time you've done the required TLB flushes on an SMP box at least
> a copy would have been cheaper. You can do ring buffers mapped into user
> space stuff - U-Net does exactly that. Its a recognition that sometimes
> ultralow latencies require specialist interfaces
Virtual Interface Architecture seems to be a nice one. At least the
spec is promising.
http://www.viarch.org/
I wonder if such an interface can be implemented with the current
driver structure. Probably, but alignment problems will suck.
OG.