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SubjectRe: Uncool feature for TTM introduced by x86, pat: Use page flags to track memtypes of RAM pages
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Jerome Glisse <glisse@freedesktop.org> writes:
>
> Can we modify the interface to support again changing from uc to wc
> or wc to uc ? (i can try to do a patch for that).

At least on Intel CPUs that support self-snoop (all modern
ones) that should really be very cheap.

-Andi

--
ak@linux.intel.com -- Speaking for myself only.


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