[openib-general] [ANNOUNCE] Initial trunk checkin of ISERinitiator

[Guy German]

> > The thing is - even if I find it reasonable to do it this way (after
> > calculating the estimated amount of time spent in the ISR), I am
> > not sure it is a good scalable solution, because there can be several
> > initiators and hcas per machine.
> 
> Yup - but you don't need to estimate. It can be precisely measured.
> See "get_cycles()" and maybe the patch that Christoph Lameter
> posted 5-6 monthes ago:
> 	http://www.gelato.unsw.edu.au/archives/linux-ia64/0504/13877.html
> 
> (My advice is to read the whole thread to be aware of the issues
> with this patch...but it should be good enough for the above
> measurements.)

Thanks for the pointer. It can give us the time frames we are talking
about (even though we need to consider the worst case scenario - which
is a theoretical thing).

> preemtive is a major issue for some uses. But I'm skeptical it is for
> the initial clusters I expect people will use RDMA for. So I'm not
> going to worry about it for now. There are more important issues.

Fair enough.

Thanks,
Guy