Re: [Qemu-devel] [Android-virt] plans for QEMU support for KVM on ARM

[Peter Maydell]

On 24 November 2011 23:10, Alexander Graf <address@hidden> wrote:
> On 25.11.2011, at 00:06, Peter Maydell wrote:
>> Well, once we've got real hardware it'll be more straightforward
>> because building QEMU on the hardware won't be quite so slow...
>> Most of this is just because crosscompiling is and remains painful.
>> (Alas, you can't compile QEMU in a QEMU arm-linux-user chroot,
>> because gcc segfaults. I blame our mmap emulation layer.)
>
> Just throw in MAP_32BIT in all mmaps and it should work like a charm :)

Want to submit a patch that does that if the host is x86-64?
I think I'd rather pragmatically do that and fix the issues
in the actually common case rather than hold out for a larger
scale reimplementation of the mmap layer which we aren't in
practice going to do...

-- PMM