Messages in this thread |  | | Date | Fri, 13 Sep 2002 15:12:20 -0700 | From | Nivedita Singhvi <> | Subject | Re: Early SPECWeb99 results on 2.5.33 with TSO on e1000 |
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Quoting todd-lkml@osogrande.com:
> dave, all, > > not sure i understand what you're proposing, but while we're at it, > why not also make the api for apps to allocate a buffer in userland > that (for nics that support it) the nic can dma directly into? it
I believe thats exactly what David was referring to - reverse direction sendfile() so to speak..
> seems likely notification that the buffer was used would have to > travel through the kernel, but it would be nice to save the > interrupts altogether.
However, I dont think what youre saving are interrupts as much as the extra copy, but I could be wrong..
thanks, Nivedita
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