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.
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: kvm-...@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
---
arch/powerpc/kernel/rtasd.c | 4 ++--
arch/powerpc/kvm/book3s_hv_builtin.c | 10 +++++-----
arch/powerpc/platforms/powernv/idle.c | 4 ++--
arch/powerpc/platforms/powernv/opal-imc.c | 8 ++++----
4 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c
index 8561dfb33f241..32ee17753eb4a 100644
--- a/arch/powerpc/kernel/rtasd.c
+++ b/arch/powerpc/kernel/rtasd.c
@@ -429,7 +429,7 @@ static void rtas_event_scan(struct work_struct *w)
do_event_scan();
- get_online_cpus();
+ cpus_read_lock();
/* raw_ OK because just using CPU as starting point. */
cpu = cpumask_next(raw_smp_processor_id(), cpu_online_mask);
@@ -451,7 +451,7 @@ static void rtas_event_scan(struct work_struct *w)
schedule_delayed_work_on(cpu, &event_scan_work,
__round_jiffies_relative(event_scan_delay, cpu));
- put_online_cpus();
+ cpus_read_unlock();
}
#ifdef CONFIG_PPC64
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c
b/arch/powerpc/kvm/book3s_hv_builtin.c
index be8ef1c5b1bfb..fcf4760a3a0ea 100644
--- a/arch/powerpc/kvm/book3s_hv_builtin.c
+++ b/arch/powerpc/kvm/book3s_hv_builtin.c
@@ -137,23 +137,23 @@ long int kvmppc_rm_h_confer(struct kvm_vcpu *vcpu, int
target,
* exist in the system. We use a counter of VMs to track this.
*
* One of the operations we need to block is onlining of secondaries, so we
- * protect hv_vm_count with get/put_online_cpus().
+ * protect hv_vm_count with cpus_read_lock/unlock().
*/
static atomic_t hv_vm_count;
void kvm_hv_vm_activated(void)
{
- get_online_cpus();
+ cpus_read_lock();
atomic_inc(&hv_vm_count);
- put_online_cpus();
+ cpus_read_unlock();
}
EXPORT_SYMBOL_GPL(kvm_hv_vm_activated);
void kvm_hv_vm_deactivated(void)
{
- get_online_cpus();
+ cpus_read_lock();
atomic_dec(&hv_vm_count);
- put_online_cpus();
+ cpus_read_unlock();
}
EXPORT_SYMBOL_GPL(kvm_hv_vm_deactivated);
diff --git a/arch/powerpc/platforms/powernv/idle.c
b/arch/powerpc/platforms/powernv/idle.c
index 528a7e0cf83aa..aa27689b832db 100644
--- a/arch/powerpc/platforms/powernv/idle.c
+++ b/arch/powerpc/platforms/powernv/idle.c
@@ -199,12 +199,12 @@ static ssize_t
store_fastsleep_workaround_applyonce(struct device *dev,
*/
power7_fastsleep_workaround_exit = false;
- get_online_cpus();
+ cpus_read_lock();
primary_thread_mask = cpu_online_cores_map();
on_each_cpu_mask(&primary_thread_mask,
pnv_fastsleep_workaround_apply,
&err, 1);
- put_online_cpus();
+ cpus_read_unlock();
if (err) {
pr_err("fastsleep_workaround_applyonce change failed while
running pnv_fastsleep_workaround_apply");
goto fail;
diff --git a/arch/powerpc/platforms/powernv/opal-imc.c
b/arch/powerpc/platforms/powernv/opal-imc.c
index 7824cc364bc40..ba02a75c14102 100644
--- a/arch/powerpc/platforms/powernv/opal-imc.c
+++ b/arch/powerpc/platforms/powernv/opal-imc.c
@@ -186,7 +186,7 @@ static void disable_nest_pmu_counters(void)
int nid, cpu;
const struct cpumask *l_cpumask;
- get_online_cpus();
+ cpus_read_lock();
for_each_node_with_cpus(nid) {
l_cpumask = cpumask_of_node(nid);
cpu = cpumask_first_and(l_cpumask, cpu_online_mask);
@@ -195,7 +195,7 @@ static void disable_nest_pmu_counters(void)
opal_imc_counters_stop(OPAL_IMC_COUNTERS_NEST,
get_hard_smp_processor_id(cpu));
}
- put_online_cpus();
+ cpus_read_unlock();
}
static void disable_core_pmu_counters(void)
@@ -203,7 +203,7 @@ static void disable_core_pmu_counters(void)
cpumask_t cores_map;
int cpu, rc;
- get_online_cpus();
+ cpus_read_lock();
/* Disable the IMC Core functions */
cores_map = cpu_online_cores_map();
for_each_cpu(cpu, &cores_map) {
@@ -213,7 +213,7 @@ static void disable_core_pmu_counters(void)
pr_err("%s: Failed to stop Core (cpu = %d)\n",
__FUNCTION__, cpu);
}
- put_online_cpus();
+ cpus_read_unlock();
}
int get_max_nest_dev(void)
--
2.32.0
