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KVM: migrate PIT timer

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Migrate the PIT timer to the physical CPU which vcpu0 is scheduled on,
similarly to what is done for the LAPIC timers, otherwise PIT interrupts
will be delayed until an unrelated event causes an exit.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Marcelo Tosatti
2008-05-27 12:10:20 -03:00
committed by Avi Kivity
parent 9dcb40e1aa
commit 2f5997140f
7 changed files with 25 additions and 5 deletions
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2
arch/x86/kvm/svm.c
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@@ -688,7 +688,7 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
delta = vcpu->arch.host_tsc - tsc_this;
svm->vmcb->control.tsc_offset += delta;
vcpu->cpu = cpu;
kvm_migrate_apic_timer(vcpu);
kvm_migrate_timers(vcpu);
}
for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++)