Re: [PATCH] [1/22] Add new sense_buffer_mask host template field

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On Mon, 2008-02-25 at 00:35 +0100, Andi Kleen wrote:
> sense buffers are something that still needs to be explicitely 
> bounced in the scsi layer. Instead of using the global unchecked_isa_dma
> flag define a special fine grained mask for this.
> 
> I decided to use a full dma mask because that is most useful for some future
> infrastructure work I'm doing.

Why do we need a separate mask?  Why can't we just use the device
dma_mask?

James


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