Messages in this thread | | | Subject | Re: alpha iommu fixes | Date | Mon, 21 May 2001 11:17:04 +0100 (BST) | From | Alan Cox <> |
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> I can be really wrong on this because I didn't checked anything about > the GART yet but I suspect you cannot use the GART for this stuff on > ia32 in 2.4 because I think I recall it provides not an huge marging of > mapping entries that so would far too easily trigger the bugs in the > device drivers not checking for pci_map_* faliures also in a common > desktop/webserver/fileserver kind of usage of an high end machine.
Not all chipsets support reading through GART address space from PCI either, it is meant for AGP to use.
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