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kvm: i8254: require KVM_CAP_PIT2 and KVM_CAP_PIT_STATE2

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-10-17 14:29:03 +02:00
parent 52b04ea49d
commit 39dd3e1f55
4 changed files with 13 additions and 39 deletions
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6
hw/i386/pc.c
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@ -1214,12 +1214,8 @@ void pc_basic_device_init(struct PCMachineState *pcms,
/*
* Check if an HPET shall be created.
*
* Without KVM_CAP_PIT_STATE2, we cannot switch off the in-kernel PIT
* when the HPET wants to take over. Thus we have to disable the latter.
*/
if (pcms->hpet_enabled && (!kvm_irqchip_in_kernel() ||
kvm_has_pit_state2())) {
if (pcms->hpet_enabled) {
qemu_irq rtc_irq;
hpet = qdev_try_new(TYPE_HPET);