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SubjectRe: Interacting with coherent memory on external devices
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On Tue, 2015-04-21 at 17:57 -0700, Paul E. McKenney wrote:
> On Wed, Apr 22, 2015 at 10:42:52AM +1000, Benjamin Herrenschmidt wrote:
> > On Tue, 2015-04-21 at 18:49 -0500, Christoph Lameter wrote:
> > > On Tue, 21 Apr 2015, Paul E. McKenney wrote:
> > >
> > > > Thoughts?
> > >
> > > Use DAX for memory instead of the other approaches? That way it is
> > > explicitly clear what information is put on the CAPI device.
> >
> > Care to elaborate on what DAX is ?
>
> I would like to know as well. My first attempt to Google got me nothing
> but Star Trek. Is DAX the persistent-memory topic covered here?
>
> https://lwn.net/Articles/591779/
> https://lwn.net/Articles/610174/
>
> Ben will correct me if I am wrong, but I do not believe that we are
> looking for persistent memory in this case.

Right, it doesn't look at all like what we want.

Ben.




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