Re: [RFC Patch] use MTRR for write combining if PAT is notavailable

From: Suresh Siddha
Date: Tue Oct 20 2009 - 18:00:10 EST


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.

thanks,
suresh

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