Messages in this thread | | | Subject | Re: Possible PCI subsystem bug in 2.4 | Date | Thu, 3 May 2001 19:31:04 +0100 (BST) | From | Alan Cox <> |
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> I suspect it would be safe to round up to the next megabyte, possibly up > to 64MB or so. But much more would make me nervous. > Any suggestions?
I'd go for 1MByte simply because I've not seen an EBDA/NVRAM area that large stuck at the top of RAM. 1Mb would fix the Dell. (It was only when I saw your email it suddenely clicked and I grabbed the bootup log)
> > Semi related question: To do I2O properly I need to grab PCI bus space and > > 'loan' it to the controller when I configure it. Im wondering what the > > preferred approach there is. > > Do the same thing that the yenta driver does, just do a > > root = pci_find_parent_resource(dev, res); > allocate_resource(root, res, size, min, max, align, NULL, NULL); > > and keep it allocated (and then the i2o driver can do sub-allocations > within that resource by doing "allocate_resource(res, ...)").
Thanks.
Alan
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