> I would like to know what others think regarding this area. I think it
> would be a good
> idea to converge the mmconfig.c implementations for both x86-64 and i386. Is
> this not feasable for some reasons I am unaware of? It should lead to more
> code reuse and allow for a more unified stance in how both architectures handle
> the PCI memory-mapped config space.
Yes, it should be done. But not 100% because x86-64 can use a much more
efficient mapping scheme than i386.
Probably with a mmconfig-common.c. When mmconfig.c was originally written
there wasn't that much support code and the fork wasn't a issue, it just has
grown over time as we work around more and more bugs.
-Andi
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