Re: [Qemu-devel] [PATCH v4 3/3] Minimal ARM LPAE support.

[Peter Maydell]

On 15 March 2012 15:42, Avi Kivity <address@hidden> wrote:
> On 03/15/2012 05:37 PM, Peter Maydell wrote:
>> It would be cleaner to cause the guest to take an exception
>> IMHO. (This is typically what ought to happen anyway if the
>> guest accesses an unimplemented cp15 register, although our
>> current mess has a habit of underdecoding these things.)
>
> At the very least, print something out so it's clear that qemu may be at
> fault, not the guest.  This is what kvm does in such cases (which we
> discourage, but still exist).

We really need better logging support to do this properly,
so you can enable or disable it with some sensible granularity.
(=> I agree in principle but I don't think we have the facilities
and with what we have at the moment I prefer silence.)

-- PMM