Re: [PATCH v2] hvf: arm: Ignore cache operations on MMIO

[Richard Henderson]

On 11/1/21 3:35 PM, Peter Maydell wrote:
> On Mon, 1 Nov 2021 at 19:28, Richard Henderson
> <richard.henderson@linaro.org> wrote:
> > On 10/26/21 3:12 AM, Alexander Graf wrote:
> > > Apple's Hypervisor.Framework forwards cache operations as MMIO traps
> > > into user space. For MMIO however, these have no meaning: There is no
> > > cache attached to them.
> > >
> > > So let's just treat cache data exits as nops.
> > >
> > > This fixes OpenBSD booting as guest.
> > >
> > > Signed-off-by: Alexander Graf <agraf@csgraf.de>
> > > Reported-by: AJ Barris <AwlsomeAlex@github.com>
> > > Reference: https://github.com/utmapp/UTM/issues/3197
> > > ---
> > >    target/arm/hvf/hvf.c | 7 +++++++
> > >    1 file changed, 7 insertions(+)
> >
> > Thanks, applied to target-arm.next
>
> ...did you see my email saying I think we also need
> to test S1PTW ?

That arrived afterward.

r~