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David S. Miller wrote: >On Sun, 17 Apr 2005 13:29:14 +0300 >Avi Kivity <avi@argo.co.il> wrote: > > > >>TOEs can remove the data copy on receive. In some applications (notably >>storage), where the application does not touch most of the data, this is >>a significant advantage that cannot be achieved in a software-only >>solution. >> >> > >You don't need to offload the TCP stack to make this case get >zero-copy behavior. > > yes, Willy Tarreau outlined how buffering on the nic and splitting the dma can achieve zero copy. are there any adapters out there which work this way? -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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