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KVM: arm64: Mask out filtered events in PCMEID{0,1}_EL1
authorMarc Zyngier <maz@kernel.org>
Thu, 12 Mar 2020 16:11:24 +0000 (16:11 +0000)
committerMarc Zyngier <maz@kernel.org>
Tue, 29 Sep 2020 13:19:39 +0000 (14:19 +0100)
commit5dab0870ff5216a51f0cd7d5e239a8bf3f690a54
tree7c3b9678b922c4699d985dd3dd27919da6340ba0tree | snapshot
parent874a9c84b161c612f172336c59a94513116a3612commit | diff
KVM: arm64: Mask out filtered events in PCMEID{0,1}_EL1

As we can now hide events from the guest, let's also adjust its view of
PCMEID{0,1}_EL1 so that it can figure out why some common events are not
counting as they should.

The astute user can still look into the TRM for their CPU and find out
they've been cheated, though. Nobody's perfect.

Signed-off-by: Marc Zyngier <maz@kernel.org>
arch/arm64/kvm/pmu-emul.c diff | blob | history
arch/arm64/kvm/sys_regs.c diff | blob | history
include/kvm/arm_pmu.h diff | blob | history
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