Subject: Re: PCI plug-in card interrupts in a CS20?
To: Havard Eidnes <>
From: Nathan J. Williams <>
List: port-alpha
Date: 11/09/2004 13:01:55
Havard Eidnes <> writes:

> some more thinking led me to come to think of the bus_space_barrier()
> function and that it might be required between the two bus_space_read_2
> calls in quick succession in isp_pci_rd_debounced().  So, modifying the
> diff as shown below moved the problem to somewhere else...

That shouldn't have done anything. The Alpha bus_space operations all
still have implicit barriers.

        - Nathan