Cortex A9 MP: ARM errata 754323 implementation?

[Russell King - ARM Linux]

On Thu, Sep 03, 2015 at 09:40:21AM +0200, Dirk Behme wrote:
> looking through the ARM Cortex A9 errata list [1] I wonder why we don't have
> a workaround for
> 
> (754323) Repeated Store in the same cache line might delay the visibility of
> the Store
> 
> in the kernel? Or have I missed it?

The policy for errata is not to implement them unless there's a requirement
to do so - and then the errata should be implemented in board firmware in
preference to the kernel where possible.

Are you seeing a problem directly attributable to this errata?

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