Richard Henderson <r...@twiddle.net> writes: > On 11/09/2016 03:57 PM, Alex Bennée wrote: >> This enables the multi-threaded system emulation by default for ARMv7 >> and ARMv8 guests using the x86_64 TCG backend. This means: >> >> - The x86_64 TCG backend supports cmpxchg based atomic ops >> - The x86_64 TCG backend emits barriers for barrier ops > > What tcg backend doesn't support what we need? For a weakly ordered target, > any of our hosts should work.
True, but this comes with certification that I've tested it. But you are right adding this to configure is fugly. Should I just drop the backend config symbol requirement totally? -- Alex Bennée
