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Diffstat (limited to 'kernel/context_tracking.c')
-rw-r--r--kernel/context_tracking.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 859c8dfd78a..5664985c46a 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_tracking.c
@@ -19,6 +19,7 @@
#include <linux/sched.h>
#include <linux/hardirq.h>
#include <linux/export.h>
+#include <linux/kprobes.h>
#define CREATE_TRACE_POINTS
#include <trace/events/context_tracking.h>
@@ -53,10 +54,10 @@ void context_tracking_user_enter(void)
/*
* Repeat the user_enter() check here because some archs may be calling
* this from asm and if no CPU needs context tracking, they shouldn't
- * go further. Repeat the check here until they support the static key
- * check.
+ * go further. Repeat the check here until they support the inline static
+ * key check.
*/
- if (!static_key_false(&context_tracking_enabled))
+ if (!context_tracking_is_enabled())
return;
/*
@@ -104,6 +105,7 @@ void context_tracking_user_enter(void)
}
local_irq_restore(flags);
}
+NOKPROBE_SYMBOL(context_tracking_user_enter);
#ifdef CONFIG_PREEMPT
/**
@@ -120,7 +122,7 @@ void context_tracking_user_enter(void)
* instead of preempt_schedule() to exit user context if needed before
* calling the scheduler.
*/
-void __sched notrace preempt_schedule_context(void)
+asmlinkage __visible void __sched notrace preempt_schedule_context(void)
{
enum ctx_state prev_ctx;
@@ -160,7 +162,7 @@ void context_tracking_user_exit(void)
{
unsigned long flags;
- if (!static_key_false(&context_tracking_enabled))
+ if (!context_tracking_is_enabled())
return;
if (in_interrupt())
@@ -181,6 +183,7 @@ void context_tracking_user_exit(void)
}
local_irq_restore(flags);
}
+NOKPROBE_SYMBOL(context_tracking_user_exit);
/**
* __context_tracking_task_switch - context switch the syscall callbacks