[ofa-general] [PATCH] mlx4_core: add module parameter to enable/disable QoS support. (for 2.6.27)

[Jack Morgenstein]

On Monday 21 July 2008 19:46, Hal Rosenstock wrote:
> Out of curiousity, why is a module parameter needed to enable/disable
> QoS ? Is there a downside to enabling it in terms of the HCA ?
> 
> -- Hal
> 

We noticed (after ofed 1.3 was released) that setting the QoS bit in the HCA
resulted in using more HW resources.

Since Qos is usually not used we decided to disable the feature by default,
and allow enabling it when it is needed.

In ofed 1.3.1 the default value was therefore changed to be OFF.

- Jack