[PATCH v2 3/3] perf/smmuv3: Synthesize IIDR from CoreSight ID registers

Leo Yan leo.yan at linaro.org
Tue Dec 7 06:04:01 PST 2021


On Tue, Dec 07, 2021 at 02:00:35PM +0000, John Garry wrote:
> On 07/12/2021 13:59, Leo Yan wrote:
> > > Whether other implementers might retroactively define "equivalent" IIDR
> > > values for their existing implementations in a way we could potentially
> > > quirk in the driver is an orthogonal question.
> > Agreed, it makes sense that supports the standard IP modules in
> > the mainline kernel at this stage.
> > 
> > Thanks for explanation.
> 
> Leo, if you really want this to work on D06, I could also hack some
> out-of-tree perf tool patches for you. I'm not sure if you're interested in
> that. Let me know.

No, please don't spend time on this.  I just use D06 platform to
verify SMMUv3 relevant patches, but have no requirement for profiling
SMMUv3 on it.  Anyway, thanks a lot!

Leo



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