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-rw-r--r--arch/um/include/kern_util.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 07176d92e1c..42557130a40 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -116,7 +116,11 @@ extern void *get_current(void);
extern struct task_struct *get_task(int pid, int require);
extern void machine_halt(void);
extern int is_syscall(unsigned long addr);
-extern void arch_switch(void);
+
+extern void arch_switch_to_tt(struct task_struct *from, struct task_struct *to);
+
+extern void arch_switch_to_skas(struct task_struct *from, struct task_struct *to);
+
extern void free_irq(unsigned int, void *);
extern int cpu(void);