Re: [Qemu-devel] [RFC PATCH] Use atomic cmpxchg to atomically check the exclusive value in a STREX

[Mark Burton]

> On 9 Jun 2015, at 15:59, Alex Bennée <address@hidden> wrote:
> 
> 
> address@hidden writes:
> 
>> From: KONRAD Frederic <address@hidden>
>> 

<snip>

>> +DEF_HELPER_4(atomic_cmpxchg64, i32, env, i32, i64, i32)
>> +DEF_HELPER_2(atomic_check, i32, env, i32)
>> +DEF_HELPER_1(atomic_release, void, env)
> 
> Apologies for being split over several mails, I didn't notice before

No problem - personally prefer to keep the threads separate.

> that atomic_check/release don't seem to be called at all in this patch.
> Is there later work that uses it?

I suspect that this is just a case of not cleaning up- I think we used check 
and release, and then ditched them… I’ll check (and release :-) )

Cheers
Mark.