KVM: x86: hyper-v: disallow configuring SynIC timers with no SynIC

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Hyper-V Synthetic timers require SynIC but we don't seem to check that
upon HV_X64_MSR_STIMER[X]_CONFIG/HV_X64_MSR_STIMER0_COUNT writes. Make
the behavior match synic_set_msr().

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200924145757.1035782-3-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Vitaly Kuznetsov 2020-09-24 16:57:52 +02:00 • committed by Paolo Bonzini

parent b44f50d87c

commit dbcf3f96fa

1 changed files with 11 additions and 0 deletions

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arch/x86/kvm/hyperv.c

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