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Diffstat (limited to 'arch/tile/include/asm/thread_info.h')
-rw-r--r--arch/tile/include/asm/thread_info.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index 9024bf3530aa..beec8729564a 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -55,7 +55,7 @@ struct thread_info {
.restart_block = { \
.fn = do_no_restart_syscall, \
}, \
- .step_state = 0, \
+ .step_state = NULL, \
}
#define init_thread_info (init_thread_union.thread_info)
@@ -86,6 +86,12 @@ register unsigned long stack_pointer __asm__("sp");
extern struct thread_info *alloc_thread_info(struct task_struct *task);
extern void free_thread_info(struct thread_info *info);
+/* Sit on a nap instruction until interrupted. */
+extern void smp_nap(void);
+
+/* Enable interrupts racelessly and nap forever: helper for cpu_idle(). */
+extern void _cpu_idle(void);
+
/* Switch boot idle thread to a freshly-allocated stack and free old stack. */
extern void cpu_idle_on_new_stack(struct thread_info *old_ti,
unsigned long new_sp,