Subject: Re: [PATCH 6/7] MPIC MSI allocator

From: Segher Boessenkool <[email-masked]>
Date: Tue, 24 Apr 2007 11:26:26 +0200

>> It's time to rename BROKEN_U3. It used to be the config option to 
>> enable
>> a few workarounds, but now it's used to select whenever there's a U3 
>> in
>> the system. Care to do it in the scope of this patch set?
>
> Not really.... first gen G5s don't use that :-) It's wether the MPIC is
> part of U3/U4 -and- is used as a primary HT PIC.

Not really...  It is whether the HT-to-MPIC interface
on the U3/U4 has the "feature" that ack-required
interrupts coming in over HT need to be acked by hand.

First-gen G5's need that just as well, they just don't
have such interrupts on the default system configuration,
as far as I remember.

Segher