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Date:   Sat, 23 Apr 2022 05:53:28 -0700
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Subject: Re: [PATCH v5 2/5] perf: Add SNOOP_PEER flag to perf mem data struct
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To:     Leo Yan <leo.yan@linaro.org>, Ali Saidi <alisaidi@amazon.com>
Cc:     kan.liang@linux.intel.com, Nick.Forrington@arm.com,
        acme@kernel.org, alexander.shishkin@linux.intel.com,
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        mathieu.poirier@linaro.org, mingo@redhat.com, namhyung@kernel.org,
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From:   Andi Kleen <ak@linux.intel.com>
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> Except SNOOPX_FWD means a no modified cache snooping, it also means it's
> a cache conherency from *remote* socket.  This is quite different from we
> define SNOOPX_PEER, which only snoop from peer CPU or clusters.
>
> If no objection, I prefer we could keep the new snoop type SNOOPX_PEER,
> this would be easier for us to distinguish the semantics and support the
> statistics for SNOOPX_FWD and SNOOPX_PEER separately.
>
> I overlooked the flag SNOOPX_FWD, thanks a lot for Kan's reminding.

Yes seems better to keep using a separate flag if they don't exactly match.

It's not that we're short on flags anyways.

-Andi