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

[Alexander Graf]

On 25.11.2011, at 00:11, Peter Maydell wrote:

> 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...

Happily, yes :).


Alex