Re: [Qemu-devel] [RFC PATCH V6 02/18] replace spinlock by QemuMutex.

[Frederic Konrad]

On 07/07/2015 12:22, Paolo Bonzini wrote:
> On 07/07/2015 12:15, Alex Bennée wrote:
> > Why are the locking rules different for CONFIG_USER versus system
> > emulation? Looking at the final tree:
> >
> > > >                   tb = tb_find_fast(env);
> > this eventually ends up doing a tb_lock on the find_slow path which IIRC
> > is when might end up doing the actual code generation.
> Up to this point, system emulation is using the BQL for everything.  I
> guess things change later.
>
> Paolo
Actually we use tb_lock to protect all the tb related structure such as 
TBContext
etc.. Is it better to use the global lock for this?

Fred