Messages in this thread | | | Subject | Re: Areca driver recap + status | From | Alan Cox <> | Date | Tue, 27 Jun 2006 17:36:59 +0100 |
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Ar Maw, 2006-06-27 am 10:39 -0500, ysgrifennodd James Bottomley: > On Tue, 2006-06-27 at 16:51 +0100, Alan Cox wrote: > > On x86_64 the dma_addr_t and the ulong are both 64bit so the problem > > doesn't arise. > > Yes it does ... apparently 32 bit kernel on x86_64 is a lot more common > than people suppose. In > 4GB this is exactly PAE.
In your original mail you stated
"It probably is only significant on x86_64 with the gart iommu enabled."
IOMMU is only in the 64bit kernel that I can see.
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