On Thu, Feb 11, 2016 at 01:47:17PM +0100, Thomas Huth wrote:
> While we were recently debugging a problem with the H_SET_DABR
> call [1], I noticed that some hypercalls from the chapter 14.5.4.3
> ("Processor Register Hypervisor Resource Access") from the LoPAPR
> spec [2] are still missing in QEMU.
> So here's are some patches that implement these hypercalls. Linux
> apparently does not depend on these hypercalls yet (otherwise somebody
> would have noticed this earlier), but the hypercalls are rather simple,
> so I think the implementations are quite straight-forward and easy to
> read.
>
> v2:
> - Don't use set_spr() and set cpu->env.spr[] directly instead
> - Completely reworked the H_PAGE_INIT patch to map the source
> and target pages for higher speed, and to be able to flush now
> the caches if requested.
I've merged 1-3 into ppc-for-2.6. My only concern with those is
whether we need to be setting some extra flags in the ibm,hypertas
property now that they are implemented.
I still have some comments on 4/4.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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