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

Herbert Xu
2007-08-11T00:55:31Z

Chris Snook <csnook@redhat.com> wrote:
>
> cpu_relax() contains a barrier, so it should do the right thing. For
> non-smp architectures, I'm concerned about interacting with interrupt
> handlers. Some drivers do use atomic_* operations.

What problems with interrupt handlers? Access to int/long must
be atomic or we're in big trouble anyway.

Cheers,
--
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