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authorOliver Upton <[email protected]>2024-12-17 09:56:11 -0800
committerOliver Upton <[email protected]>2024-12-18 13:22:25 -0800
commite96d8b80afd3f63ffad58c0fdd5e0c380c4c404e (patch)
tree622182ef18c419d851b7e31a9d9e65d3cbf9494a /tools/perf/scripts/python/call-graph-from-sql.py
parentd3ba35b69eaed060bbc92a99bf027627bad170eb (diff)
KVM: arm64: Only apply PMCR_EL0.P to the guest range of counters
An important distinction from other registers affected by HPMN is that PMCR_EL0 only affects the guest range of counters, regardless of the EL from which it is accessed. Ensure that PMCR_EL0.P is always applied to 'guest' counters by manually computing the mask rather than deriving it from the current context. Reviewed-by: Marc Zyngier <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Oliver Upton <[email protected]>
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