Re: alpha iommu fixes

Ivan Kokshaysky (ink@jurassic.park.msu.ru)
Mon, 21 May 2001 18:17:09 +0400

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In reply to: Jonathan Lundell: "Re: alpha iommu fixes"

On Mon, May 21, 2001 at 06:55:29AM -0700, Jonathan Lundell wrote:
> 8 slots (and you're right, 6 is a practical upper limit, fewer for
> 66 MHz) *per bus*. Buses can proliferate like crazy, so the slot
> limit becomes largely irrelevant.

True, but the bandwidth limit is highly relevant. That's why modern
systems have multiple root buses, not a bridged ones.

Ivan.
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