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Groups > linux.kernel > #1464548

[PATCH] cpu/hotplug: get rid of CPU_STARTING reference

From Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Newsgroups linux.kernel
Subject [PATCH] cpu/hotplug: get rid of CPU_STARTING reference
Date 2016-08-17 14:30 +0200
Message-ID <s788N-XT-1@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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CPU_STARTING is scheduled for removal. There is no use of it in drivers
and just compatibility use core code. This patch removes it from an RCU
related comment.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---

Paul, this "CPU_STARTING" refrences got in via "rcu: Exact CPU-online
tracking for RCU".

 kernel/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 35b53a1f56a7..3788ad9d4073 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -897,7 +897,7 @@ void notify_cpu_starting(unsigned int cpu)
 	struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
 	enum cpuhp_state target = min((int)st->target, CPUHP_AP_ONLINE);
 
-	rcu_cpu_starting(cpu);  /* All CPU_STARTING notifiers can use RCU. */
+	rcu_cpu_starting(cpu);	/* Enables RCU usage on this CPU. */
 	while (st->state < target) {
 		struct cpuhp_step *step;
 
-- 
2.9.3

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[PATCH] cpu/hotplug: get rid of CPU_STARTING reference Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-08-17 14:30 +0200
  Re: [PATCH] cpu/hotplug: get rid of CPU_STARTING reference "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-08-17 16:30 +0200

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