Re: [PATCH 6/24] make atomic_read() behave consistently on frv

[Segher Boessenkool]

> Please check the definition of "cache coherence".

Which of the twelve thousand such definitions?  :-)

> Summary: the CPU is indeed within its rights to execute loads and 
> stores
> to a single variable out of order, -but- only if it gets the same 
> result
> that it would have obtained by executing them in order.  Which means 
> that
> any reordering of accesses by a single CPU to a single variable will be
> invisible to the software.

I'm still not sure if that applies to all architectures.
Doesn't matter anyway, let's kill this thread :-)


Segher

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