Messages in this thread | | | Date | Wed, 21 Oct 2009 19:35:14 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC Patch] use MTRR for write combining if PAT is not available |
| |
* Jan Beulich <JBeulich@novell.com> wrote:
> > So if it's OK for Jan, I'll reduce the functionality again and use > > mtrr_add() instead. Btw. this simply means to drop > > mtrr_add_unaligned(), all the other parts are still required for > > reference counting and a proper mtrr_del() on file close. > > I'm perfectly fine with just handling the aligned case, as long as the > code checks that the alignment constraints are met.
It could even emit a debug warning if they are not met - that way we'll see how important the unaligned case is.
Ingo
| |