[ofa-general] [PATCH] nfsrdma: fix connection/qp creation for mlx4,

[James Lentini]

On Thu, 12 Jun 2008, James Lentini wrote:

> 
> 
> On Thu, 12 Jun 2008, Vu Pham wrote:
> 
> > Hi James/Tom,
> > 
> > MLX4 transport (connectX HCA) need 2 extra S/G entries per work 
> > request. One is for the header and one for the checksum at the end. 
> > This patch will fix rpc rdma transport to create qp with 
> > max_send_sge = device_cap.max_sge - 2 if low-level device hca is 
> > connectX
> > 
> > thanks,
> > -vu
> > 
> > 
> 
> Vu,
> 
> Many ULPs use the device's advertized maximum S/G count to size 
> their S/G entries.
> 
> Did you consider changing the driver to advertize 2 less S/G 
> entries?
> 
> james
> 

Vu,

Is this already fixed:

http://lists.openfabrics.org/pipermail/general/2008-May/050256.html