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

[Jan Beulich]

>>> Thomas Schlichter <thomas.schlichter@xxxxxx> 14.10.09 21:14 >>>
>I added a function mtrr_add_unaligned() that tries to create as many MTRR 
>entries as necessary, beginning with the biggest regions. It does not check 
>the return values of each mtrr_add(), nor does it return the indexes of the 
>created MTRR entries. So it seems to be only useful with increment=false. Or 
>do you have a better idea?

I don't have immediate thoughts on how to address this, but nevertheless
I continue to think that the issue must be solved in some way, even more
that now you may be leaking multiple MTRRs.

Jan

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