Re: New kernel/resource.c
David Hinds (dhinds@zen.stanford.edu)
Wed, 21 Jul 1999 10:39:48 -0700
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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