[RFC PATCH] powerpc/papr_scm: Implement scm async flush

[Pankaj Gupta]

> >> Tha patch implements SCM async-flush hcall and sets the
> >> ND_REGION_ASYNC capability when the platform device tree
> >> has "ibm,async-flush-required" set.
> >
> > So, you are reusing the existing ND_REGION_ASYNC flag for the
> > hypercall based async flush with device tree discovery?
> >
> > Out of curiosity, does virtio based flush work in ppc? Was just thinking
> > if we can reuse virtio based flush present in virtio-pmem? Or anything
> > else we are trying to achieve here?
> >
>
>
> Not with PAPR based pmem driver papr_scm.ko. The devices there are
> considered platform device and we use hypercalls to configure the
> device. On similar fashion we are now using hypercall to flush the host
> based caches.

o.k. Thanks for answering.

Best regards,
Pankaj

>
> -aneesh