Re: [PATCH] tools/memory-model: Document herd7 (internal) representation

[Andrea Parri]

> It turns out the problem lies in the way lock.cat tries to calculate the 
> rf relation for RU events (a spin_is_locked() that returns False).  The 
> method it uses amounts to requiring that such events must read from the 
> lock's initial value or an LU event (a spin_unlock()) in a different 
> thread.  This clearly is wrong, and glaringly so in this litmus test 
> since there are no other threads!
> 
> A patch to fix the problem and reorganize the code a bit for greater 
> readability is below.  I'd appreciate it if people could try it out on 
> various locking litmus tests in our archives.

Thanks for the quick solution, Alan.  The results from our archives look
good.

  Andrea