From: Frederic Weisbecker <frederic@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Phil Auld <pauld@redhat.com>, Alex Belits <abelits@marvell.com>,
Nicolas Saenz Julienne <nsaenz@kernel.org>,
Xiongfeng Wang <wangxiongfeng2@huawei.com>,
Neeraj Upadhyay <quic_neeraju@quicinc.com>,
Thomas Gleixner <tglx@linutronix.de>,
Yu Liao <liaoyu15@huawei.com>, Boqun Feng <boqun.feng@gmail.com>,
"Paul E . McKenney" <paulmck@kernel.org>,
Marcelo Tosatti <mtosatti@redhat.com>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Uladzislau Rezki <uladzislau.rezki@sony.com>,
Joel Fernandes <joel@joelfernandes.org>
Subject: [PATCH 04/19] context_tracking: Rename context_tracking_cpu_set() to context_tracking_cpu_track_user()
Date: Wed, 2 Mar 2022 16:47:55 +0100 [thread overview]
Message-ID: <20220302154810.42308-5-frederic@kernel.org> (raw)
In-Reply-To: <20220302154810.42308-1-frederic@kernel.org>
context_tracking_cpu_set() is called in order to tell a CPU to track
user/kernel transitions. Since context tracking is going to expand in
to also track transitions from/to idle/IRQ/NMIs, the scope
of this function name becomes too broad and needs to be made more
specific.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Cc: Yu Liao<liaoyu15@huawei.com>
Cc: Phil Auld <pauld@redhat.com>
Cc: Paul Gortmaker<paul.gortmaker@windriver.com>
Cc: Alex Belits <abelits@marvell.com>
---
include/linux/context_tracking.h | 2 +-
kernel/context_tracking.c | 4 ++--
kernel/time/tick-sched.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index 7a5f04ae1758..40badd62ad56 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -11,7 +11,7 @@
#ifdef CONFIG_CONTEXT_TRACKING
-extern void context_tracking_cpu_set(int cpu);
+extern void context_tracking_cpu_track_user(int cpu);
/* Called with interrupts disabled. */
extern void __ct_user_enter(enum ctx_state state);
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index e8e58c10f135..7b6643d2075d 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_tracking.c
@@ -198,7 +198,7 @@ void user_exit_callable(void)
}
NOKPROBE_SYMBOL(user_exit_callable);
-void __init context_tracking_cpu_set(int cpu)
+void __init context_tracking_cpu_track_user(int cpu)
{
static __initdata bool initialized = false;
@@ -228,6 +228,6 @@ void __init context_tracking_init(void)
int cpu;
for_each_possible_cpu(cpu)
- context_tracking_cpu_set(cpu);
+ context_tracking_cpu_track_user(cpu);
}
#endif
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 2d76c91b85de..794410da3ee1 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -571,7 +571,7 @@ void __init tick_nohz_init(void)
}
for_each_cpu(cpu, tick_nohz_full_mask)
- context_tracking_cpu_set(cpu);
+ context_tracking_cpu_track_user(cpu);
ret = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
"kernel/nohz:predown", NULL,
--
2.25.1
next prev parent reply other threads:[~2022-03-02 15:49 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-02 15:47 [PATCH 00/19] rcu/context-tracking: Merge RCU eqs-dynticks counter to context tracking Frederic Weisbecker
2022-03-02 15:47 ` [PATCH 01/19] context_tracking: Rename __context_tracking_enter/exit() to __ct_user_enter/exit() Frederic Weisbecker
2022-03-10 19:27 ` Paul E. McKenney
2022-03-02 15:47 ` [PATCH 02/19] context_tracking: Rename context_tracking_user_enter/exit() to user_enter/exit_callable() Frederic Weisbecker
2022-03-05 13:59 ` Peter Zijlstra
2022-03-09 20:53 ` Frederic Weisbecker
2022-03-02 15:47 ` [PATCH 03/19] context_tracking: Rename context_tracking_enter/exit() to ct_user_enter/exit() Frederic Weisbecker
2022-03-05 14:02 ` Peter Zijlstra
2022-03-09 21:21 ` Frederic Weisbecker
2022-03-02 15:47 ` Frederic Weisbecker [this message]
2022-03-05 14:03 ` [PATCH 04/19] context_tracking: Rename context_tracking_cpu_set() to context_tracking_cpu_track_user() Peter Zijlstra
2022-03-09 21:11 ` Frederic Weisbecker
2022-03-02 15:47 ` [PATCH 05/19] context_tracking: Split user tracking Kconfig Frederic Weisbecker
2022-03-10 19:43 ` Paul E. McKenney
2022-03-11 15:49 ` Frederic Weisbecker
2022-03-02 15:47 ` [PATCH 06/19] context_tracking: Take idle eqs entrypoints over RCU Frederic Weisbecker
2022-03-05 14:05 ` Peter Zijlstra
2022-03-09 21:12 ` Frederic Weisbecker
2022-03-02 15:47 ` [PATCH 07/19] context_tracking: Take IRQ " Frederic Weisbecker
2022-03-10 19:46 ` Paul E. McKenney
2022-03-02 15:47 ` [PATCH 08/19] context_tracking: Take NMI " Frederic Weisbecker
2022-03-10 19:47 ` Paul E. McKenney
2022-03-02 15:48 ` [PATCH 09/19] rcu/context-tracking: Remove rcu_irq_enter/exit() Frederic Weisbecker
2022-03-05 14:16 ` Peter Zijlstra
2022-03-09 22:25 ` Frederic Weisbecker
2022-03-02 15:48 ` [PATCH 10/19] rcu/context_tracking: Move dynticks counter to context tracking Frederic Weisbecker
2022-03-10 20:00 ` Paul E. McKenney
2022-03-02 15:48 ` [PATCH 11/19] rcu/context_tracking: Move dynticks_nesting " Frederic Weisbecker
2022-03-10 20:01 ` Paul E. McKenney
2022-03-12 23:23 ` Peter Zijlstra
2022-03-02 15:48 ` [PATCH 12/19] rcu/context_tracking: Move dynticks_nmi_nesting " Frederic Weisbecker
2022-03-10 20:02 ` Paul E. McKenney
2022-03-02 15:48 ` [PATCH 13/19] rcu/context-tracking: Move deferred nocb resched " Frederic Weisbecker
2022-03-10 20:04 ` Paul E. McKenney
2022-03-02 15:48 ` [PATCH 14/19] rcu/context-tracking: Move RCU-dynticks internal functions to context_tracking Frederic Weisbecker
2022-03-10 20:07 ` Paul E. McKenney
2022-03-11 16:02 ` Frederic Weisbecker
2022-03-11 16:14 ` Paul E. McKenney
2022-03-12 23:10 ` Peter Zijlstra
2022-03-02 15:48 ` [PATCH 15/19] rcu/context-tracking: Remove unused and/or unecessary middle functions Frederic Weisbecker
2022-03-09 16:40 ` nicolas saenz julienne
2022-03-11 15:19 ` Frederic Weisbecker
2022-03-02 15:48 ` [PATCH 16/19] context_tracking: Convert state to atomic_t Frederic Weisbecker
2022-03-09 17:17 ` nicolas saenz julienne
2022-03-11 15:24 ` Frederic Weisbecker
2022-03-12 22:54 ` Peter Zijlstra
2022-03-21 13:32 ` Will Deacon
2022-03-02 15:48 ` [PATCH 17/19] rcu/context-tracking: Use accessor for dynticks counter value Frederic Weisbecker
2022-03-10 20:08 ` Paul E. McKenney
2022-03-02 15:48 ` [PATCH 18/19] rcu/context_tracking: Merge dynticks counter and context tracking states Frederic Weisbecker
2022-03-10 20:32 ` Paul E. McKenney
2022-03-11 16:35 ` Frederic Weisbecker
2022-03-11 17:28 ` Paul E. McKenney
2022-03-02 15:48 ` [PATCH 19/19] context_tracking: Exempt CONFIG_HAVE_CONTEXT_TRACKING_USER_OFFSTACK from non-active tracking Frederic Weisbecker
2022-03-08 16:15 ` nicolas saenz julienne
2022-03-11 15:16 ` Frederic Weisbecker
2022-03-11 11:37 ` [PATCH 00/19] rcu/context-tracking: Merge RCU eqs-dynticks counter to context tracking nicolas saenz julienne
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