Re: [PATCH] Intel IXP4xx network drivers v.3 - QMGR

Krzysztof Halasa
2007-05-10T14:08:39Z

Lennert Buytenhek <buytenh@wantstofly.org> writes:

> The way I see it, that means that you do want to scale back your
> other SRAM allocations if you know that you're going to need a lot
> of SRAM (say, for ethernet RX/TX queues.)

Yep, I will then add "queue_size" parameter to the platform data.
Or something like that.

> Or you can put this knowledge in the board support code (cleaner, IMHO.)

Sure.

> That way, you can _guarantee_ that you'll always have enough SRAM
> to be able to use the functionality that is exposed on the board you
> are running on (which is a desirable property, IMHO), which is
> something that you can't achieve with an allocator, as far as I can
> see.

I'd have to put SRAM address in the board code instead. Certainly
not required at this point, and perhaps it will be never needed.
--
Krzysztof Halasa