The following commit has been merged into the smp/core branch of tip: Commit-ID: 844d87871b6e0ac3ceb177535dcdf6e6a9f1fd4b Gitweb: https://git.kernel.org/tip/844d87871b6e0ac3ceb177535dcdf6e6a9f1fd4b Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> AuthorDate: Tue, 03 Aug 2021 16:16:16 +02:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Tue, 10 Aug 2021 14:57:42 +02:00 smpboot: 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(). Replace deprecated CPU-hotplug functions with the official version. The behavior remains unchanged. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210803141621.780504-34-bigeasy@xxxxxxxxxxxxx --- kernel/smpboot.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/smpboot.c b/kernel/smpboot.c index cf6acab..f6bc0bc 100644 --- a/kernel/smpboot.c +++ b/kernel/smpboot.c @@ -291,7 +291,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread) unsigned int cpu; int ret = 0; - get_online_cpus(); + cpus_read_lock(); mutex_lock(&smpboot_threads_lock); for_each_online_cpu(cpu) { ret = __smpboot_create_thread(plug_thread, cpu); @@ -304,7 +304,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread) list_add(&plug_thread->list, &hotplug_threads); out: mutex_unlock(&smpboot_threads_lock); - put_online_cpus(); + cpus_read_unlock(); return ret; } EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread); @@ -317,12 +317,12 @@ EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread); */ void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread) { - get_online_cpus(); + cpus_read_lock(); mutex_lock(&smpboot_threads_lock); list_del(&plug_thread->list); smpboot_destroy_threads(plug_thread); mutex_unlock(&smpboot_threads_lock); - put_online_cpus(); + cpus_read_unlock(); } EXPORT_SYMBOL_GPL(smpboot_unregister_percpu_thread);
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