On 06/13/2013 03:17 PM, Yinghai Lu wrote:
> Joshua reported: Commit cd7b304dfaf1 (x86, range: fix missing merge
> during add range) broke mtrr cleanup on his setup in 3.9.5.
> corresponding commit in upstream is fbe06b7bae7c.
>
> *BAD*gran_size: 64K chunk_size: 16M num_reg: 6 lose cover RAM: -0G
>
> https://bugzilla.kernel.org/show_bug.cgi?id=59491
>
> Fix it from two places, so late mtrr cleanup side and range add side.
>
> x86, mtrr: Fix original mtrr range get for mtrr_cleanup
> range: Do not add new blank slot with add_range_with_merge
>
> Please apply them for v3.10.
>
On this subject: what do we need to happen to be able to dump the MTRR
cleanup stuff?
-hpa
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