Re: [PATCH v5 33/36] KVM: arm64: Wrap the host with a stage 2

[Quentin Perret]

On Wednesday 17 Mar 2021 at 09:41:09 (+0100), Mate Toth-Pal wrote:
> On 2021-03-16 18:46, Quentin Perret wrote:
> > On Tuesday 16 Mar 2021 at 16:16:18 (+0100), Mate Toth-Pal wrote:
> > > On 2021-03-16 15:29, Quentin Perret wrote:
> > > > On Tuesday 16 Mar 2021 at 12:53:53 (+0000), Quentin Perret wrote:
> > > > > On Tuesday 16 Mar 2021 at 13:28:42 (+0100), Mate Toth-Pal wrote:
> > > > > > Changing the value of MT_S2_FWB_NORMAL to 7 would change this behavior, and
> > > > > > the resulting memory type would be device.
> > > > > 
> > > > > Sounds like the correct fix here -- see below.
> > > > 
> > > > Just to clarify this, I meant this should be the configuration for the
> > > > host stage-2. We'll want to keep the existing behaviour for guests I
> > > > believe.
> > > 
> > > I Agree.
> > 
> > OK, so the below seems to boot on my non-FWB-capable hardware and should
> > fix the issue. Could you by any chance give it a spin?
> > 
> 
> Sure, I can give it a go. I was trying to apply the patch on top of https://android-kvm.googlesource.com/linux/+/refs/heads/qperret/host-stage2-v5
> but it seems that your base is significantly different. Can you give some
> hints what should I use as base?

Oh interesting, it _should_ apply on v5. I just pushed a branch with
everything applied if that helps:

  https://android-kvm.googlesource.com/linux qperret/wip/fix-fwb-host-stage2

Thanks again!
Quentin