Re: [Qemu-devel] qemu-arm-static, multiprocess, atomic

[Paolo Bonzini]

On 26/05/2016 12:42, Sergey Fedorov wrote:
> I'm afraid even our recent efforts in
> multi-threaded TCG won't change the situation. The problem is that it
> would require to translate somehow ARM's exclusive access monitor to x86
> model.
> 

The cmpxchg-based variant would work.  It doesn't implement LL/SC
exactly, but it works fine if the program is written against GCC atomic
builtins.

Thanks,

Paolo