KVM: x86/pmu: Clear "reprogram" bit if counter is disabled or disallowed

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When reprogramming a counter, clear the counter's "reprogram pending" bit
if the counter is disabled (by the guest) or is disallowed (by the
userspace filter).  In both cases, there's no need to re-attempt
programming on the next coincident KVM_REQ_PMU as enabling the counter by
either method will trigger reprogramming.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220923001355.3741194-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2022-09-23 00:13:53 +00:00 • committed by Paolo Bonzini

parent f1c5651fda

commit dcbb816a28

1 changed files with 24 additions and 14 deletions

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arch/x86/kvm/pmu.c

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