On Wed, 2015-01-07 at 13:30 +0000, David Vrabel wrote: > On 07/01/15 13:24, Ian Campbell wrote: > > On Wed, 2015-01-07 at 13:07 +0000, David Vrabel wrote: > > > >> We don't use this safe unmap mechanism for netback because the zero copy > >> stuff means we don't need it and the polling on the unmap is high > >> latency and only good enough if the polling is needed very rarely. > > > > I'd think it should be rare for netback too unless your network is made > > of wet string. > > Hmmm. Yes, this might be worth looking at but I would prefer to do it > to it as a follow up to this series.
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