On Sun, 11 Jul 2005, Andi Kleen wrote:
> Why per node? Why not go the whole way and make it per CPU?
>
> I would also not define it statically, but allocate it at boot time
> in node local memory.
I went per node so that it would be minimal/zero impact for the no-node
case, it would also simplify hotplug cpu since once a cpu in a node goes
down, we still have other participating processors capable of handling
its devices without having to do too much migration work. I'll definitely
incorporate the node local allocations however, for some i386 systems we
might be forced to stick some additional IDTs on node 0 since the IDTR
will only take 32bit addresses and we could end up with only highmem on
some nodes.
Thanks for the feedback,
Zwane
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