[RFC/PATCH 1/5] context tracking: conditionalize guest support based on CONFIG_KVM

[Kevin Hilman]

So that it can build on !KVM systems too.

Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxx>
---
 kernel/context_tracking.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 74f68f4..6fe96b1 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_tracking.c
@@ -1,5 +1,7 @@
 #include <linux/context_tracking.h>
+#ifdef CONFIG_KVM
 #include <linux/kvm_host.h>
+#endif
 #include <linux/rcupdate.h>
 #include <linux/sched.h>
 #include <linux/hardirq.h>
@@ -62,6 +64,7 @@ void user_exit(void)
 	local_irq_restore(flags);
 }
 
+#ifdef CONFIG_KVM
 void guest_enter(void)
 {
 	if (vtime_accounting_enabled())
@@ -79,6 +82,7 @@ void guest_exit(void)
 		__guest_exit();
 }
 EXPORT_SYMBOL_GPL(guest_exit);
+#endif
 
 void context_tracking_task_switch(struct task_struct *prev,
 			     struct task_struct *next)
-- 
1.8.1.2

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