On (03/31/15 23:12), David Miller wrote: > > It's much more amortized with smart buffering strategies, which are > common on current generation networking cards. > > There you only eat one map/unmap per "PAGE_SIZE / rx_pkt_size". > > Maybe the infiniband stuff is doing things very suboptimally, and > actually with that subsystem and drivers absolutely nothing would > surprise me.
yeh, we are trying to get more info from them about what their bottle-necks are. Until then, lets just stick with the spin_lock. do I need to resubmit this without the RFC tag? Perhaps I should have dropped that some time ago. --Sowmini _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
