[openib-general] Some Missing Features from mthca/user MAD access

[Hal Rosenstock]

On Thu, 2005-01-06 at 12:38, Michael S. Tsirkin wrote:
> After consideration, I think the proper way is add a reference count
> and clean is_sm when it falls to 0.

Why is a reference count needed ? (Just want to understand).

> This way runnning two opensms on the same HCA and two different
> HCAs in the same subnet behaves the same.

Aren't the different SMs on different ports of the same or different HCA
and the IsSM bit is per port ? What am I missing ?

-- Hal