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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-11-27 23:28:58 -0200 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-11-27 23:29:11 -0200 |
| commit | 886b470cb14733a0286e365c77f1844c240c33a4 (patch) | |
| tree | a62f7af3ef4df07d7c1f9f949f0fc2007178ba0e /arch/x86/kvm/vmx.c | |
| parent | 51c19b4f5927f5a646e93d69f73c7e89ea14e737 (diff) | |
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>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6599e45f73f6..896efd4842e7 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1839,11 +1839,10 @@ static u64 guest_read_tsc(void) * 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); |