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Date:      Tue, 16 Jul 2002 14:32:37 -0400 (EDT)
From:      "Andrew R. Reiter" <arr@watson.org>
To:        Thomas Moestl <tmm@FreeBSD.org>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/sparc64/include iommuvar.h src/sys/sparc64/pci         psycho.c src/sys/sparc64/sbus sbus.c src/sys/sparc64/sparc64         iommu.c
Message-ID:  <Pine.NEB.3.96L.1020716143221.84061A-100000@fledge.watson.org>
In-Reply-To: <200207161817.g6GIH3kZ050963@freefall.freebsd.org>

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On Tue, 16 Jul 2002, Thomas Moestl wrote:

:tmm         2002/07/16 11:17:03 PDT
:
:  Modified files:
:    sys/sparc64/include  iommuvar.h 
:    sys/sparc64/pci      psycho.c 
:    sys/sparc64/sbus     sbus.c 
:    sys/sparc64/sparc64  iommu.c 
:  Log:
:  When multiple IOMMUs are present in a system, use a single TSB for all
:  of them, and couple them by always performing all operations on all
:  present IOMMUs. This is required because with the current API there
:  is no way to determine on which bus a busdma operation is performed.
:  
:  While being there, clean up the iommu code a bit.
:  
:  This should be a step in the direction of allow some of larger machines
:  to work; tests have shown that there still seem to be problems left.
:  

Sweet! Thanks, this rules.

Andrew

--
Andrew R. Reiter
arr@watson.org
arr@FreeBSD.org


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