Thread (6 messages) flat view 6 messages, 4 authors, 2015-09-04

Cortex A9 MP: ARM errata 754323 implementation?

From: Russell King - ARM Linux <hidden>
Date: 2015-09-03 08:05:02

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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