Re: [Qemu-devel] [PATCH 06/11] Add support for S390x system emulation

[Carsten Otte]

Aurelien Jarno wrote:
> > +static inline int cpu_mmu_index (CPUState *env)
> > +{
> > +    /* XXX: Currently we don't implement virtual memory */
> > +    return 0;
>
> Is it correct? It means that memory access will aways be kernel memory
> accesses. IIRC, even with KVM enabled, softmmu accesses are possible in
> some cases (devices ?).
On s390, we don't have memory mapped I/O. KVM is virtio only, and even 
if we would add channel devices we would not require softmmu emulation 
here. S390 does'nt have pci, usb or alike.