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SubjectRe: [patch] x86, voyager: fix ioremap_nocache()
Jeff Garzik wrote:
>
> Understood.
>
> I guess I am more annoyed that this stealth semantics change appears to
> have broken everything that depends on pci_iomap(), including 90%+ of
> all libata drivers, unless I am missing something.
>
> That one piece of code (pci_iomap) was correct under the old semantics,
> on x86 and elsewhere. It's tested and working nicely, and depended upon
> by many drivers.
>

That one piece of code has had no effective change. Under both the old
and the new code, both branches functionally because ioremap_nocache(),
in one case because of MTRR and in one case because of PAT.

-hpa


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