cputime: Safely read cputime of full dynticks CPUs

[deliverable/linux.git] / include / linux / kvm_host.h

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 4fe2396401da5fb76afed9f2cb97a40527df12f9..b7996a768eb2c656417fdb082f62871a89fc6f1d 100644 (file)
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -741,7 +741,7 @@ static inline int kvm_deassign_device(struct kvm *kvm,
 }
 #endif /* CONFIG_IOMMU_API */
 
-static inline void guest_enter(void)
+static inline void __guest_enter(void)
 {
        /*
         * This is running in ioctl context so we can avoid
@@ -751,7 +751,7 @@ static inline void guest_enter(void)
        current->flags |= PF_VCPU;
 }
 
-static inline void guest_exit(void)
+static inline void __guest_exit(void)
 {
        /*
         * This is running in ioctl context so we can avoid
@@ -761,6 +761,22 @@ static inline void guest_exit(void)
        current->flags &= ~PF_VCPU;
 }
 
+#ifdef CONFIG_CONTEXT_TRACKING
+extern void guest_enter(void);
+extern void guest_exit(void);
+
+#else /* !CONFIG_CONTEXT_TRACKING */
+static inline void guest_enter(void)
+{
+       __guest_enter();
+}
+
+static inline void guest_exit(void)
+{
+       __guest_exit();
+}
+#endif /* !CONFIG_CONTEXT_TRACKING */
+
 static inline void kvm_guest_enter(void)
 {
        unsigned long flags;