On 07/13/2010 05:25 AM, Zachary Amsden wrote:
+void guest_write_tsc(struct kvm_vcpu *vcpu, u64 data)
+{
+ struct kvm *kvm = vcpu->kvm;
+ u64 offset;
+
+ spin_lock(&kvm->arch.tsc_write_lock);
Perhaps spin_lock_irq() for even more accuracy?
spin_lock_irq_nmi_smi_hypervisor(), if you can find it.
+ offset = data - native_read_tsc();
+ kvm_x86_ops->write_tsc_offset(vcpu, offset);
+ spin_unlock(&kvm->arch.tsc_write_lock);
+
+ /* Reset of TSC must disable overshoot protection below */
+ vcpu->arch.hv_clock.tsc_timestamp = 0;
+}
+EXPORT_SYMBOL_GPL(guest_write_tsc);
+
--
error compiling committee.c: too many arguments to function
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