Re: [Intel IOMMU][patch 7/8] Support for legacy ISA devices

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To: Andi Kleen <[email protected]>
Subject: Re: [Intel IOMMU][patch 7/8] Support for legacy ISA devices
From: Arjan van de Ven <[email protected]>
Date: Tue, 24 Apr 2007 13:33:52 -0700
Cc: Ashok Raj <[email protected]>, [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>
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Andi Kleen wrote:

On Tuesday 24 April 2007 08:03:06 Ashok Raj wrote:

Floppy disk drivers dont work well with DMA remapping.


What is the problem? You can't allocate mappings <16MB?

floppy doesn't use the DMA mapping API :)
that's the problem
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References:
- [Intel IOMMU][patch 0/8] Intel IOMMU Support.
  - From: Ashok Raj <[email protected]>
- [Intel IOMMU][patch 7/8] Support for legacy ISA devices
  - From: Ashok Raj <[email protected]>
- Re: [Intel IOMMU][patch 7/8] Support for legacy ISA devices
  - From: Andi Kleen <[email protected]>

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