Re: [Qemu-devel] [PATCH] tcg: handle EXCP_ATOMIC exception properly

[Paolo Bonzini]

On 10/02/2017 13:13, Alex Bennée wrote:
>> +        if (atomic_read(&other_cpu->running) &&
>> !qemu_cpu_is_self(other_cpu)) {
> The comment above reads:
> 
>   Must only be called from outside cpu_exec.
> 
> So we need to revise this comment. Is this really a limitation or was it
> originally the design goal?

If you want to call it within cpu_exec, you can always use
cpu_exec_end/start around it.

I think we should first of all get rid of the iothread lock within
cpu_exec, and then look at this patch again.

Paolo