[ofa-general] Re: [PATCH 0 of 3] comp_vector kernel support

[Michael S. Tsirkin]

> Quoting Roland Dreier <rdreier at cisco.com>:
> Subject: Re: [PATCH 0 of 3] comp_vector kernel support
> 
>  > How about just patches 1 and 2?
>  > They don't do anything to *kernel* ULPs by themselves,
>  > and give userspace ULPs opportunity to start using the feature.
>  > We'll learn from that, and enhance kernel ULPs by 2.6.23.
> 
> I guess I could see doing the first patch (just support multiple
> vectors in the kernel without changing any drivers).  That way it
> would be easy to experiment with patched drivers that enable multiple
> vectors.

OK, let's do it.

> I think there's still some figuring out to do about how many EQs to
> enable, etc, and I think it would be better to prevent drivers from
> escaping into the wild before we have a better handle on the issues.

How about applying mthca patch, but changing MTHCA_COMP_VECTORS to 1?
That would make it easy to do experiments at the ULP level.

-- 
MST