linux says it is a bug

[Andrew Haley]

On 03/04/2014 09:24 AM, Hannes Frederic Sowa wrote:
>> > So the bug was probably fixed more than 15 years ago.
> Probably :)
> 
> But the __volatile__ shoud do no harm and shouldn't influence code
> generation in any way, no?

Of course it will: it's a barrier.

Andrew.