KVM: x86: pass host_tsc to read_l1_tsc
Allow the caller to pass host tsc value to kvm_x86_ops->read_l1_tsc().
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6599e45..896efd4 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1839,11 +1839,10 @@
* Like guest_read_tsc, but always returns L1's notion of the timestamp
* counter, even if a nested guest (L2) is currently running.
*/
-u64 vmx_read_l1_tsc(struct kvm_vcpu *vcpu)
+u64 vmx_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc)
{
- u64 host_tsc, tsc_offset;
+ u64 tsc_offset;
- rdtscll(host_tsc);
tsc_offset = is_guest_mode(vcpu) ?
to_vmx(vcpu)->nested.vmcs01_tsc_offset :
vmcs_read64(TSC_OFFSET);