[tip: smp/core] Documentation: Replace deprecated CPU-hotplug functions.

["tip-bot2 for Sebastian Andrzej Siewior" <tip-bot2@linutronix.de>]

The following commit has been merged into the smp/core branch of tip:

Commit-ID:     c7483d823ee0da31e42d32e51a752f667a059735
Gitweb:        https://git.kernel.org/tip/c7483d823ee0da31e42d32e51a752f667a059735
Author:        Sebastian Andrzej Siewior <bigeasy@linutronix.de>
AuthorDate:    Tue, 03 Aug 2021 16:15:44 +02:00
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Sat, 28 Aug 2021 01:46:17 +02:00

Documentation: Replace deprecated CPU-hotplug functions.

The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().

Update the documentation accordingly.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210803141621.780504-2-bigeasy@linutronix.de

---
 Documentation/core-api/cpu_hotplug.rst | 2 +-
 Documentation/trace/ftrace.rst         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/core-api/cpu_hotplug.rst b/Documentation/core-api/cpu_hotplug.rst
index a2c96be..1122cd3 100644
--- a/Documentation/core-api/cpu_hotplug.rst
+++ b/Documentation/core-api/cpu_hotplug.rst
@@ -220,7 +220,7 @@ goes online (offline) and during initial setup (shutdown) of the driver. However
 each registration and removal function is also available with a ``_nocalls``
 suffix which does not invoke the provided callbacks if the invocation of the
 callbacks is not desired. During the manual setup (or teardown) the functions
-``get_online_cpus()`` and ``put_online_cpus()`` should be used to inhibit CPU
+``cpus_read_lock()`` and ``cpus_read_unlock()`` should be used to inhibit CPU
 hotplug operations.
 
 
diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst
index cfc81e9..4e5b26f 100644
--- a/Documentation/trace/ftrace.rst
+++ b/Documentation/trace/ftrace.rst
@@ -2762,7 +2762,7 @@ listed in:
   put_prev_task_idle
   kmem_cache_create
   pick_next_task_rt
-  get_online_cpus
+  cpus_read_lock
   pick_next_task_fair
   mutex_lock
   [...]