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authorYipeng Zou <zouyipeng@huawei.com>2022-09-26 09:58:27 +0800
committerPaul E. McKenney <paulmck@kernel.org>2022-10-21 10:11:00 -0700
commitfdbdb868454a3e83996cf1500c6f7ba73c07a03c (patch)
tree50147a66b56739d788139e58f2e22260f75d05ee /include/linux/rcutree.h
parente9f8a790bf682bb4a2f79d0d905b34d55bceb71d (diff)
rcu: Remove rcu_is_idle_cpu()
The commit 3fcd6a230fa7 ("x86/cpu: Avoid cpuinfo-induced IPIing of idle CPUs") introduced rcu_is_idle_cpu() in order to identify the current CPU idle state. But commit f3eca381bd49 ("x86/aperfmperf: Replace arch_freq_get_on_cpu()") switched to using MAX_SAMPLE_AGE, so rcu_is_idle_cpu() is no longer used. This commit therefore removes it. Fixes: f3eca381bd49 ("x86/aperfmperf: Replace arch_freq_get_on_cpu()") Signed-off-by: Yipeng Zou <zouyipeng@huawei.com> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'include/linux/rcutree.h')
-rw-r--r--include/linux/rcutree.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 70795386b9ff..4003bf6cfa1c 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -87,8 +87,6 @@ bool poll_state_synchronize_rcu_full(struct rcu_gp_oldstate *rgosp);
void cond_synchronize_rcu(unsigned long oldstate);
void cond_synchronize_rcu_full(struct rcu_gp_oldstate *rgosp);
-bool rcu_is_idle_cpu(int cpu);
-
#ifdef CONFIG_PROVE_RCU
void rcu_irq_exit_check_preempt(void);
#else