On 18 July 2016 at 12:54, Paolo Bonzini <pbonz...@redhat.com> wrote: > On 18/07/2016 13:51, Peter Maydell wrote: >> Looks like an attempt to do an atomic op on a larger-than-host-pointer type. > > Hmm, atomic_set should be acceptable even on 64-bit.
How does that work, when the host might not have an atomic 64-bit write? thanks -- PMM