Re: [PATCH v2 1/3] context_tracking: Split guest_enter/exit_irqoff

[Christian Borntraeger]

On 13.04.21 09:16, Wanpeng Li wrote:
[...]

@@ -145,6 +155,13 @@ static __always_inline void guest_exit_irqoff(void)
  }

  #else
+static __always_inline void context_guest_enter_irqoff(void)
+{
+       instrumentation_begin();
+       rcu_virt_note_context_switch(smp_processor_id());
+       instrumentation_end();
+}
+
  static __always_inline void guest_enter_irqoff(void)
  {
        /*
@@ -155,10 +172,13 @@ static __always_inline void guest_enter_irqoff(void)
        instrumentation_begin();
        vtime_account_kernel(current);
        current->flags |= PF_VCPU;
-       rcu_virt_note_context_switch(smp_processor_id());
        instrumentation_end();
+
+       context_guest_enter_irqoff();

So we now do instrumentation_begin 2 times?