KVM: arm64: PMU: Always advertise the CHAIN event

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Even when the underlying HW doesn't offer the CHAIN event
(which happens with QEMU), we can always support it as we're
in control of the counter overflow.

Always advertise the event via PMCEID0_EL0.

Reviewed-by: Reiji Watanabe <reijiw@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221113163832.3154370-4-maz@kernel.org

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Marc Zyngier 2022-11-13 16:38:19 +00:00

parent bead02204e

commit acdd8a4e13

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arch/arm64/kvm/pmu-emul.c

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