[openib-general] Re: does OpenIB SDP have ZCOPY?

[Michael S. Tsirkin]

Quoting r. Roland Dreier <rdreier at cisco.com>:
>     Scott> Does OpenIB SDP have ZCOPY when using non-AIO socket APIs
>     Scott> (like from netperf)?
>  
> There is experimental code that can be enabled with
> CONFIG_INFINIBAND_SDP_SEND_ZCOPY and CONFIG_INFINIBAND_SDP_RECV_ZCOPY.
> I'm not sure what Michael's plans are for this.

My plans are a stack without zcopy for kernel submission, and look at the zcopy
optimization after that.

-- 
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies