Messages in this thread | | | Date | Wed, 21 Jul 1999 10:39:48 -0700 | From | David Hinds <> | Subject | Re: New kernel/resource.c |
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On Wed, Jul 21, 1999 at 01:33:30PM +0200, David Weinehall wrote: > On Fri, 16 Jul 1999, Linus Torvalds wrote: > > > > It's really only meant to be used by PC IO subsystems (ie PCI, ISA etc). > > So it really =is= meant to be specific to one bus type (admittedly that > > bus type is a superset of PCI itself, but it's NOT supposed to ever be > > used as a "every bus" kind of resource). > > My question is, is it intended to be used by the MCA-bus as well? It has > nothing (!) to do with the PCI-bus or the ISA-bus, and it's in quite a few > PC's (admittedly none newer than a Pentium, but anyway)
Linus doesn't really mean "PC IO subsystems", what he *really* means is "any IO subsystem that sits in this architecture's io-port and/or memory-mapped-io spaces as defined by the inb/outb and readb/writeb interfaces".
-- Dave Hinds
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