Re: [Sablevm-developer] Question about _svmf_stopping_java()

[Chris P. <chr...@ma...>]

Etienne Gagnon wrote:

> Archie Cobbs wrote:
>
>> However, I don't think this really gives you much advantage. It lets
>> a thread continue in native mode instead of halting, but it probably
>> is not going to get much further before having to come back to java mode
>> and then halt anyway. Just a thought experiment really.
>
>
> Theoretically, it could quite possibly work (I would have to think 
> carefully
> about all corner cases, but there's no deep reason it wouldn't work), but
> practically, I don't see much benefit.  Current code simply depends on
> the well tested _svmf_halt_if_requested().  Adding custom code for 
> such critical
> and difficult to write correctly code (even though it is short, it is 
> very
> tricky) is not something I look forward to. :-)
>
> It also makes the state diagram simpler.  [Yes, I know, I have not 
> written
> it down, and my ex-supervisor almost killed me when I made a 1+ hour 
> presentation
> to the Sable group about this stopping the world business, after my 
> thesis was
> accepted without having written anything about it... ;-)]



If anyone has good notes of that presentation I will type them up some 
time (I might need help with the diagram portion).  Unfortunately I 
don't have good notes.

Cheers,
Chris