summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/linux/context_tracking.h35
-rw-r--r--include/linux/kvm_host.h37
-rw-r--r--kernel/context_tracking.c1
3 files changed, 36 insertions, 37 deletions
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index 365f4a61bf04..fc09d7b0dacf 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -3,6 +3,7 @@
#include <linux/sched.h>
#include <linux/percpu.h>
+#include <linux/vtime.h>
#include <asm/ptrace.h>
struct context_tracking {
@@ -19,6 +20,26 @@ struct context_tracking {
} state;
};
+static inline void __guest_enter(void)
+{
+ /*
+ * This is running in ioctl context so we can avoid
+ * the call to vtime_account() with its unnecessary idle check.
+ */
+ vtime_account_system(current);
+ current->flags |= PF_VCPU;
+}
+
+static inline void __guest_exit(void)
+{
+ /*
+ * This is running in ioctl context so we can avoid
+ * the call to vtime_account() with its unnecessary idle check.
+ */
+ vtime_account_system(current);
+ current->flags &= ~PF_VCPU;
+}
+
#ifdef CONFIG_CONTEXT_TRACKING
DECLARE_PER_CPU(struct context_tracking, context_tracking);
@@ -35,6 +56,9 @@ static inline bool context_tracking_active(void)
extern void user_enter(void);
extern void user_exit(void);
+extern void guest_enter(void);
+extern void guest_exit(void);
+
static inline enum ctx_state exception_enter(void)
{
enum ctx_state prev_ctx;
@@ -57,6 +81,17 @@ extern void context_tracking_task_switch(struct task_struct *prev,
static inline bool context_tracking_in_user(void) { return false; }
static inline void user_enter(void) { }
static inline void user_exit(void) { }
+
+static inline void guest_enter(void)
+{
+ __guest_enter();
+}
+
+static inline void guest_exit(void)
+{
+ __guest_exit();
+}
+
static inline enum ctx_state exception_enter(void) { return 0; }
static inline void exception_exit(enum ctx_state prev_ctx) { }
static inline void context_tracking_task_switch(struct task_struct *prev,
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index f0eea07d2c2b..8db53cfaccdb 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -23,6 +23,7 @@
#include <linux/ratelimit.h>
#include <linux/err.h>
#include <linux/irqflags.h>
+#include <linux/context_tracking.h>
#include <asm/signal.h>
#include <linux/kvm.h>
@@ -760,42 +761,6 @@ static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
}
#endif
-static inline void __guest_enter(void)
-{
- /*
- * This is running in ioctl context so we can avoid
- * the call to vtime_account() with its unnecessary idle check.
- */
- vtime_account_system(current);
- current->flags |= PF_VCPU;
-}
-
-static inline void __guest_exit(void)
-{
- /*
- * This is running in ioctl context so we can avoid
- * the call to vtime_account() with its unnecessary idle check.
- */
- vtime_account_system(current);
- 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;
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 65349f07b878..85bdde1137eb 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_tracking.c
@@ -15,7 +15,6 @@
*/
#include <linux/context_tracking.h>
-#include <linux/kvm_host.h>
#include <linux/rcupdate.h>
#include <linux/sched.h>
#include <linux/hardirq.h>