L1 & L2 cache flush sequence on CortexA5 MPcore w.r.t low power modes

Lorenzo Pieralisi lorenzo.pieralisi at arm.com
Mon Feb 25 08:36:02 EST 2013


On Sat, Feb 23, 2013 at 08:41:17PM +0000, Antti P Miettinen wrote:
> From: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
> > On Fri, Feb 22, 2013 at 09:04:04AM +0000, Antti P Miettinen wrote:
> >> This did not get answered - are TLB fetches by sibling cores treated in
> >> the same way as cache fetches? If core A has C bit cleared, is the cache
> >> still available for TLB fetches by core B?
> > 
> > Yes, it is as long as the SMP bit is set in ACTLR.
> > 
> > Lorenzo
> 
> Thanks Lorenzo. Do you know if there are any known errata that would
> invalidate any of the assumptions disussed in this thread?

If you can provide me with a bit of context I am happy to help you chase
ths issue(s), since it looks like you are facing some.

Thanks,
Lorenzo




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