Re: With Daniel Phillips Patch (was: aic7xxx with 2.4.9 on 7899P)

Justin T. Gibbs (gibbs@scsiguy.com)
Wed, 22 Aug 2001 07:24:29 -0600

>On Tue, Aug 21 2001, Justin T. Gibbs wrote:
>> [...] Unfortunately the x86 port
>> doesn't support passing large dma addresses to drivers so bouncing is requir
>ed
>> in order to do PAE.
>
>With the PCI64 + highmem no-bounce patches it does, so feel free to
>convert aic7xxx to the newpci64 API :-)

Is this somehow different than how large DMA is done on the ia64
port? All I do is look at the size of dma_addr_t to decide whether
to enable high address support in my driver. If dma_addr_t's size
changes, then 64bit addressing will work the same as on every other
Linux port.

--
Justin
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