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SubjectRe: [RFC Patch] use MTRR for write combining if PAT is not available

* Suresh Siddha <> wrote:

> On Tue, 2009-10-20 at 13:35 -0700, Thomas Schlichter wrote:
> > What do you think about the latest version of my patch series I just sent?
> I think we can simplify this by just using mtrr_add_page() and avoid
> all the complexity that comes with mtrr_add_unaligned().
> pci_mmap_range() should call one mtrr_add_page() if the base and size
> are nicely aligned. Almost all the cases, this is the usage sequence
> here anyway.

yep, keeping it simple is a must.


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