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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 03 Aug 2016 21:33:47 +1000
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Subject: Re: [Qemu-devel] [PATCH 1/2] Fix tlb_vaddr_to_host with
 CONFIG_USER_ONLY
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>

On Wed, 2016-08-03 at 12:19 +0100, Peter Maydell wrote:
>=C2=A0
> I don't understand why this didn't cause compile failures...

I didn't either. I found:

include/qom/cpu.h:typedef uint64_t vaddr;

So g2h becomes something like (target_ulong)(uint64) + guest_base

Which does build ;-)

Cheers,
Ben.