Re: [PATCH v3 2/2] perf,x86: skip intel_cqm_stable if CMT is not present in a CPU model

[Matt Fleming]

On Sat, 08 Aug, at 12:36:19AM, Kanaka Juvva wrote:
> CMT and MBM are complementary technologies. One technology doesn't
> imply the other technology. If CMT is not present in your CPU model
> intel_cqm_stable() won't be called when computing a free RMID. This
> is because, LLC_OCCUPANCY reading in this case doesn't apply and
> shouldn't be used a criteria for freeing or picking an RMID.
> 
> Signed-off-by: Kanaka Juvva <kanaka.d.juvva@xxxxxxxxxxxxxxx>
> ---
>  arch/x86/kernel/cpu/perf_event_intel_cqm.c | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)

Shouldn't this patch be the first one in the series?

-- 
Matt Fleming, Intel Open Source Technology Center
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