The Performance Manager Unit was not described in the DTS
which meant performance event monitoring was not possible.
This was exposed by a change to the PMU handling in KVM
in 5.11-rc3 which now prevents a PMU being exposed to a
guest when the host does not provide one:
"KVM: arm64: Don't access PMCR_EL0 when no PMU is available"
Signed-off-by: Mathew McBride <matt@traverse.com.au>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
<1 10 IRQ_TYPE_LEVEL_LOW>;/* Hypervisor PPI */
};
+ pmu {
+ compatible = "arm,cortex-a53-pmu";
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
+ };
+
psci {
compatible = "arm,psci-0.2";
method = "smc";