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arm64: KVM: Add a new feature bit for PMUv3

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To support guest PMUv3, use one bit of the VCPU INIT feature array.
Initialize the PMU when initialzing the vcpu with that bit and PMU
overflow interrupt set.

Signed-off-by: Shannon Zhao <[email protected]>
Acked-by: Peter Maydell <[email protected]>
Reviewed-by: Andrew Jones <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
This commit is contained in:
Shannon Zhao 2016-01-11 22:46:15 +08:00 • committed by Marc Zyngier
commit 808e738142
7 changed files with 20 additions and 1 deletions
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Documentation/virtual/kvm/api.txt
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@ -2577,6 +2577,8 @@ Possible features:
Depends on KVM_CAP_ARM_EL1_32BIT (arm64 only).
- KVM_ARM_VCPU_PSCI_0_2: Emulate PSCI v0.2 for the CPU.
Depends on KVM_CAP_ARM_PSCI_0_2.
- KVM_ARM_VCPU_PMU_V3: Emulate PMUv3 for the CPU.
Depends on KVM_CAP_ARM_PMU_V3.
4.83 KVM_ARM_PREFERRED_TARGET