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KVM: x86: pass host_tsc to read_l1_tsc

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Allow the caller to pass host tsc value to kvm_x86_ops->read_l1_tsc().

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Marcelo Tosatti
2012-11-27 23:28:58 -02:00
parent 51c19b4f59
commit 886b470cb1
5 changed files with 9 additions and 9 deletions
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5
arch/x86/kvm/x86.c
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@@ -1150,7 +1150,7 @@ static int kvm_guest_time_update(struct kvm_vcpu *v)
/* Keep irq disabled to prevent changes to the clock */
local_irq_save(flags);
tsc_timestamp = kvm_x86_ops->read_l1_tsc(v);
tsc_timestamp = kvm_x86_ops->read_l1_tsc(v, native_read_tsc());
kernel_ns = get_kernel_ns();
this_tsc_khz = __get_cpu_var(cpu_tsc_khz);
if (unlikely(this_tsc_khz == 0)) {
@@ -5338,7 +5338,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
if (hw_breakpoint_active())
hw_breakpoint_restore();
vcpu->arch.last_guest_tsc = kvm_x86_ops->read_l1_tsc(vcpu);
vcpu->arch.last_guest_tsc = kvm_x86_ops->read_l1_tsc(vcpu,
native_read_tsc());
vcpu->mode = OUTSIDE_GUEST_MODE;
smp_wmb();