Messages in this thread | | | Date | Tue, 14 Sep 1999 17:45:52 -0400 | From | Jeff Garzik <> | Subject | Re: MTRR setting and framebuffer driver |
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Jamie Lokier wrote: > > Richard Gooch wrote: > > I agree. I don't like the idea of adding kludges to the MTRR code. It > > should provide a minimal interface, making no assumptions about PCI > > regions or anything like that. > > > [...] since we are assuming PCI region rules. > > I don't think it has anything to do with PCI.
vesafb is ISA/PCI-only, at least.
> If we can assume that unregistered physical address space is never > accessed (whatever the bus), it's safe to have MTRRs covering that space > redundantly.
I don't think that assumption can be made until all the drivers use the new resource code.
Jeff
-- Custom driver development | Never worry about theory as long Open source programming | as the machinery does what it's | supposed to do. -- R. A. Heinlein
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