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

[Alex Bennée]

Paolo Bonzini <address@hidden> writes:

> On 10/02/2017 13:33, Alex Bennée wrote:
>> That said for TCG system emulation EXCP_ATOMIC is currently broken with
>> respect to debugging. However for the initial guests/host combination of
>> ARMv7/8 on x86_64 we don't need the fallback with pretty much 99% of
>> deployed hosts. How about the following:
>>
>>   - drop Pranith's patch for the current MTTCG series
>>   - replace with an error/abort on EXCP_ATOMIC
>
> Don't even replace it? :)

I guess - the failure mode is only when we single step? Should we not
try to emit a warning like we do for the mismatched MOs?

>
> Paolo
>
>>   - proceed with merge as plan
>>   - tackle the BQL lock next (along with more MTTCG guest/targets enablement)


--
Alex Bennée