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-rw-r--r--kernel/rcutree.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 338f1d1c1c6..8807019138c 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -444,27 +444,6 @@ void rcu_user_enter(void)
{
rcu_eqs_enter(1);
}
-
-/**
- * rcu_user_enter_after_irq - inform RCU that we are going to resume userspace
- * after the current irq returns.
- *
- * This is similar to rcu_user_enter() but in the context of a non-nesting
- * irq. After this call, RCU enters into idle mode when the interrupt
- * returns.
- */
-void rcu_user_enter_after_irq(void)
-{
- unsigned long flags;
- struct rcu_dynticks *rdtp;
-
- local_irq_save(flags);
- rdtp = &__get_cpu_var(rcu_dynticks);
- /* Ensure this irq is interrupting a non-idle RCU state. */
- WARN_ON_ONCE(!(rdtp->dynticks_nesting & DYNTICK_TASK_MASK));
- rdtp->dynticks_nesting = 1;
- local_irq_restore(flags);
-}
#endif /* CONFIG_RCU_USER_QS */
/**
@@ -581,28 +560,6 @@ void rcu_user_exit(void)
{
rcu_eqs_exit(1);
}
-
-/**
- * rcu_user_exit_after_irq - inform RCU that we won't resume to userspace
- * idle mode after the current non-nesting irq returns.
- *
- * This is similar to rcu_user_exit() but in the context of an irq.
- * This is called when the irq has interrupted a userspace RCU idle mode
- * context. When the current non-nesting interrupt returns after this call,
- * the CPU won't restore the RCU idle mode.
- */
-void rcu_user_exit_after_irq(void)
-{
- unsigned long flags;
- struct rcu_dynticks *rdtp;
-
- local_irq_save(flags);
- rdtp = &__get_cpu_var(rcu_dynticks);
- /* Ensure we are interrupting an RCU idle mode. */
- WARN_ON_ONCE(rdtp->dynticks_nesting & DYNTICK_TASK_NEST_MASK);
- rdtp->dynticks_nesting += DYNTICK_TASK_EXIT_IDLE;
- local_irq_restore(flags);
-}
#endif /* CONFIG_RCU_USER_QS */
/**