[RFC PATCH 0/2] perf: arm_spe: Fix consistency of CONTEXT packets in SPE driver

[German Gomez]

Applies a couple of small changes to the arm_spe_pmu driver.

We are seeing context packets in an inconsistent number of SPE records
even  when the perf-tool runs without the needed capabilities. This is
fixed in [1/2].

We're also allowing CONTEXT packets to be collected in per-cpu events in
[2/2].

I'm sending as an RFC because it's the first time I change driver code.
Also I'm not 100% sure of the approach in [2/2] (from a security and/or
implementation standpoint).

Thanks,
German

- [PATCH 1/2] Fixes the consistency issue with the context packets.
- [PATCH 2/2] Enables context packets in per-cpu events.

German Gomez (2):
  perf: arm_spe: Fix consistency of PMSCR register bit CX
  perf: arm_spe: Enable CONTEXT packets in SPE traces if the profiler
    runs in CPU mode.

 drivers/perf/arm_spe_pmu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

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2.25.1