Re: [PATCH] [2/2] POWERPC: Lower threshold for DART enablement to 1GB, V2

On Wed, Apr 12, 2006 at 09:52:33PM -0500, Olof Johansson wrote:

> iommu=off can still be used for those who don't want to deal with the
> overhead (and don't need it for any devices).

I've been pondering walking the PCI bus before deciding to enable an
IOMMU and checking each device's DMA mask. Is this something that you
considered and rejected, or just something no one got around to doing?

Cheers,
Muli
-- 
Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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Follow-Ups:
- Re: [PATCH] [2/2] POWERPC: Lower threshold for DART enablement to 1GB, V2
  - From: Olof Johansson <[email protected]>
- Re: [PATCH] [2/2] POWERPC: Lower threshold for DART enablement to 1GB, V2
  - From: Benjamin Herrenschmidt <[email protected]>

References:
- [PATCH] [1/2] POWERPC: IOMMU support for honoring dma_mask
  - From: Olof Johansson <[email protected]>
- [PATCH] [2/2] POWERPC: Lower threshold for DART enablement to 1GB
  - From: Olof Johansson <[email protected]>
- [PATCH] [2/2] POWERPC: Lower threshold for DART enablement to 1GB, V2
  - From: Olof Johansson <[email protected]>

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