Re: [PATCH 0/5] Cleanup [h_enter|spapr_exit]_nested routines

[Cédric Le Goater]

On 4/17/23 09:21, Harsh Prateek Bora wrote:
> On 4/14/23 17:34, Fabiano Rosas wrote:
> > Harsh Prateek Bora <harshpb@linux.ibm.com> writes:
> >
> > > This patchset introduces helper routines to enable (and does) cleaning
> > > up of h_enter_nested() and spapr_exit_nested() routines in existing api
> > > for nested virtualization on Power/SPAPR for better code readability /
> > > maintenance. No functional changes intended with this patchset.
> >
> > Do we have tests for this nested virtual hypervisor code? It would be
> > good to have at least a smoke test. I remember someone started adding
> > support to qemu-ppc-boot, probably Murilo. I suggest you take a look
> > around and maybe see what it takes to add it.
> >
> > Just a L0 TCG with a small-ish qemu inside of it and a script to start
> > an L2.
>
> This is something I already have in my to-do list, taking a note of your 
> suggestions.

When developing KVM support under the emulated PowerNV QEMU machines,
I was using this buildroot target :

  
https://github.com/legoater/buildroot/commit/307ecbf7409e6fb060d7bbcc41201fdcacf0b0ca

I then used the same image to test the L2 support.

C.