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Date: Mon, 21 May 2001 18:17:09 +0400
From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Jonathan Lundell <jlundell@pobox.com>
Cc: "David S. Miller" <davem@redhat.com>, Andrea Arcangeli <andrea@suse.de>,
        Andrew Morton <andrewm@uow.edu.au>,
        Richard Henderson <rth@twiddle.net>, linux-kernel@vger.kernel.org
Subject: Re: alpha iommu fixes
Message-ID: <20010521181709.A15029@jurassic.park.msu.ru>
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In-Reply-To: <p05100311b72ecde57fcd@[207.213.214.37]>; from jlundell@pobox.com on Mon, May 21, 2001 at 06:55:29AM -0700
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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.