[tip: x86/cleanups] x86/mce/inject: Replace deprecated CPU-hotplug functions.

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The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     8ae9e3f63865bc067c144817da9df025dbb667f2
Gitweb:        https://git.kernel.org/tip/8ae9e3f63865bc067c144817da9df025dbb667f2
Author:        Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
AuthorDate:    Tue, 03 Aug 2021 16:15:52 +02:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Tue, 10 Aug 2021 14:46:27 +02:00

x86/mce/inject: 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/20210803141621.780504-10-bigeasy@xxxxxxxxxxxxx

---
 arch/x86/kernel/cpu/mce/inject.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c
index 4e86d97..0bfc140 100644
--- a/arch/x86/kernel/cpu/mce/inject.c
+++ b/arch/x86/kernel/cpu/mce/inject.c
@@ -235,7 +235,7 @@ static void __maybe_unused raise_mce(struct mce *m)
 		unsigned long start;
 		int cpu;
 
-		get_online_cpus();
+		cpus_read_lock();
 		cpumask_copy(mce_inject_cpumask, cpu_online_mask);
 		cpumask_clear_cpu(get_cpu(), mce_inject_cpumask);
 		for_each_online_cpu(cpu) {
@@ -269,7 +269,7 @@ static void __maybe_unused raise_mce(struct mce *m)
 		}
 		raise_local();
 		put_cpu();
-		put_online_cpus();
+		cpus_read_unlock();
 	} else {
 		preempt_disable();
 		raise_local();
@@ -529,7 +529,7 @@ static void do_inject(void)
 		cpu = get_nbc_for_node(topology_die_id(cpu));
 	}
 
-	get_online_cpus();
+	cpus_read_lock();
 	if (!cpu_online(cpu))
 		goto err;
 
@@ -553,7 +553,7 @@ static void do_inject(void)
 	}
 
 err:
-	put_online_cpus();
+	cpus_read_unlock();
 
 }
 



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