Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH 6/24] make atomic_read() behave consistently on frv | Date | Fri, 10 Aug 2007 10:23:46 +0100 |
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Chris Snook <csnook@redhat.com> wrote:
> To head off the criticism, I admit this is an oversimplification, and true > busy-waiters should be using cpu_relax(), which contains a barrier.
Why would you want to use cpu_relax()? That's there to waste time efficiently, isn't it? Shouldn't you be using smp_rmb() or something like that?
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