* [PATCH] cpu/hotplug: get rid of CPU_STARTING reference
@ 2016-08-17 12:21 Sebastian Andrzej Siewior
2016-08-17 14:22 ` Paul E. McKenney
0 siblings, 1 reply; 2+ messages in thread
From: Sebastian Andrzej Siewior @ 2016-08-17 12:21 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: linux-kernel
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] cpu/hotplug: get rid of CPU_STARTING reference
2016-08-17 12:21 [PATCH] cpu/hotplug: get rid of CPU_STARTING reference Sebastian Andrzej Siewior
@ 2016-08-17 14:22 ` Paul E. McKenney
0 siblings, 0 replies; 2+ messages in thread
From: Paul E. McKenney @ 2016-08-17 14:22 UTC (permalink / raw)
To: Sebastian Andrzej Siewior; +Cc: linux-kernel
On Wed, Aug 17, 2016 at 02:21:04PM +0200, Sebastian Andrzej Siewior wrote:
> 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>
Queued, thank you!
Thanx, Paul
> ---
>
> 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
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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