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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2024-04-12 15:27:02 +0100 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2024-04-22 11:23:53 +0100 |
| commit | d6fc00d0f640d6010b51054aa8b0fd191177dbc9 (patch) | |
| tree | f418e01e673445377b00b30477113637a7918dfb /tools/perf/scripts/python/stackcollapse.py | |
| parent | 46bf8d7cd8530eca607379033b9bc4ac5590a0cd (diff) | |
coresight: etm4x: Fix access to resource selector registers
Resource selector pair 0 is always implemented and reserved. We must not
touch it, even during save/restore for CPU Idle. Rest of the driver is
well behaved. Fix the offending ones.
Reported-by: Yabin Cui <yabinc@google.com>
Fixes: f188b5e76aae ("coresight: etm4x: Save/restore state across CPU low power states")
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Tested-by: Yabin Cui <yabinc@google.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Link: https://lore.kernel.org/r/20240412142702.2882478-5-suzuki.poulose@arm.com
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions