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SubjectRe: [PATCH] bitops: Use volatile in generic atomic bitops.
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On Wed, Jul 27, 2011 at 4:22 PM, Arnd Bergmann <arnd@arndb.de> wrote:
> On Wednesday 27 July 2011, Will Newton wrote:
>> Imagination Technologies META, which is a custom in-house
>> architecture. No immediate plans to upstream unfortunately. :-/
>
> Ah, interesting. We have a few other DSP architectures lined up
> for upstream integration. Let me know when you get there as well.
> Is there a git tree available somewhere?

Not at the moment. It's something I would like to have though.

>> FWIW I checked all the in-tree architectures and it seems everyone
>> else gets this right (although I got a bit lost with tile).
>
> Yes, I think that you get into a lot of other problems if you
> mess up the basic synchronization primitives, so they would have
> noticed at some point.

On the contrary, the system was remarkably stable and the issue only
showed up in one particular driver under heavy load. ;-)


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