On Fri, 2008-01-25 at 12:42 +0100, Andrea Arcangeli wrote:
> On Thu, Jan 24, 2008 at 09:56:06PM -0800, Christoph Lameter wrote:
> > Andrea's mmu_notifier #4 -> RFC V1
> > 
> > - Merge subsystem rmap based with Linux rmap based approach
> > - Move Linux rmap based notifiers out of macro
> > - Try to account for what locks are held while the notifiers are
> >   called.
> > - Develop a patch sequence that separates out the different types of
> >   hooks so that it is easier to review their use.
> > - Avoid adding #include to linux/mm_types.h
> > - Integrate RCU logic suggested by Peter.
> 
> I'm glad you're converging on something a bit saner and much much
> closer to my code, plus perfectly usable by KVM optimal rmap design
> too. It would have preferred if you would have sent me patches like
> Peter did for review and merging etc... that would have made review
> especially easier. Anyway I'm used to that on lkml so it's ok, I just
> need this patch to be included in mainline, everything else is
> irrelevant to me.

Also, wouldn't there be a problem with something trying to use that
interface to keep in sync a secondary device MMU such as the DRM or
other accelerators, which might need virtual address based
invalidation ?

Ben.


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