Messages in this thread | | | Date | Fri, 2 Apr 2010 23:25:16 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH 4/5] kgdb: Use atomic operators which use barriers |
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On Fri, Apr 02, 2010 at 12:43:00PM -0700, Linus Torvalds wrote: > Russell is wrong.
Actually, in future threads you end up agreeing with my position...
> The fact that maybe some ARM6 cache coherency implementation is pure and > utter sh*t and never sees the changes without the same instruction that > happens to be a memory barrier on that architecture does not make that > cpu_relax() any more about memory barriers.
I'm not going to discuss it now; I'm on holiday. Wait until mid-next week on this and I'll respond with a fuller reply.
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