Re: [Patch v9 10/12] perf/x86/intel: Update dyn_constranit base on PEBS event precise level

[Peter Zijlstra]

On Fri, Nov 07, 2025 at 02:11:09PM +0800, Mi, Dapeng wrote:
> 
> On 11/6/2025 10:52 PM, Peter Zijlstra wrote:
> > On Wed, Oct 29, 2025 at 06:21:34PM +0800, Dapeng Mi wrote:
> >> arch-PEBS provides CPUIDs to enumerate which counters support PEBS
> >> sampling and precise distribution PEBS sampling. Thus PEBS constraints
> >> should be dynamically configured base on these counter and precise
> >> distribution bitmap instead of defining them statically.
> >>
> >> Update event dyn_constraint base on PEBS event precise level.
> > What happened to this:
> >
> >   https://lore.kernel.org/all/e0b25b3e-aec0-4c43-9ab2-907186b56c71@xxxxxxxxxxxxxxx/
> 
> About the issue, Kan ever posted a patch to mitigate the risk, but it seems
> the patch is not merged yet.
> 
> https://lore.kernel.org/all/20250512175542.2000708-1-kan.liang@xxxxxxxxxxxxxxx/
> 

Clearly it became a victim of some scatter brained maintainer or
something.

Let me stick that near this set and go read the last few patches.