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path: root/drivers/scsi/bnx2i/bnx2i_init.c
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Diffstat (limited to 'drivers/scsi/bnx2i/bnx2i_init.c')
-rw-r--r--drivers/scsi/bnx2i/bnx2i_init.c78
1 files changed, 30 insertions, 48 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c
index c8b410c24cf0..86afc002814c 100644
--- a/drivers/scsi/bnx2i/bnx2i_init.c
+++ b/drivers/scsi/bnx2i/bnx2i_init.c
@@ -70,14 +70,6 @@ u64 iscsi_error_mask = 0x00;
DEFINE_PER_CPU(struct bnx2i_percpu_s, bnx2i_percpu);
-static int bnx2i_cpu_callback(struct notifier_block *nfb,
- unsigned long action, void *hcpu);
-/* notification function for CPU hotplug events */
-static struct notifier_block bnx2i_cpu_notifier = {
- .notifier_call = bnx2i_cpu_callback,
-};
-
-
/**
* bnx2i_identify_device - identifies NetXtreme II device type
* @hba: Adapter structure pointer
@@ -461,41 +453,21 @@ static void bnx2i_percpu_thread_destroy(unsigned int cpu)
kthread_stop(thread);
}
-
-/**
- * bnx2i_cpu_callback - Handler for CPU hotplug events
- *
- * @nfb: The callback data block
- * @action: The event triggering the callback
- * @hcpu: The index of the CPU that the event is for
- *
- * This creates or destroys per-CPU data for iSCSI
- *
- * Returns NOTIFY_OK always.
- */
-static int bnx2i_cpu_callback(struct notifier_block *nfb,
- unsigned long action, void *hcpu)
+static int bnx2i_cpu_online(unsigned int cpu)
{
- unsigned cpu = (unsigned long)hcpu;
+ pr_info("bnx2i: CPU %x online: Create Rx thread\n", cpu);
+ bnx2i_percpu_thread_create(cpu);
+ return 0;
+}
- switch (action) {
- case CPU_ONLINE:
- case CPU_ONLINE_FROZEN:
- printk(KERN_INFO "bnx2i: CPU %x online: Create Rx thread\n",
- cpu);
- bnx2i_percpu_thread_create(cpu);
- break;
- case CPU_DEAD:
- case CPU_DEAD_FROZEN:
- printk(KERN_INFO "CPU %x offline: Remove Rx thread\n", cpu);
- bnx2i_percpu_thread_destroy(cpu);
- break;
- default:
- break;
- }
- return NOTIFY_OK;
+static int bnx2i_cpu_dead(unsigned int cpu)
+{
+ pr_info("CPU %x offline: Remove Rx thread\n", cpu);
+ bnx2i_percpu_thread_destroy(cpu);
+ return 0;
}
+static enum cpuhp_state bnx2i_online_state;
/**
* bnx2i_mod_init - module init entry point
@@ -539,18 +511,28 @@ static int __init bnx2i_mod_init(void)
p->iothread = NULL;
}
- cpu_notifier_register_begin();
+ get_online_cpus();
for_each_online_cpu(cpu)
bnx2i_percpu_thread_create(cpu);
- /* Initialize per CPU interrupt thread */
- __register_hotcpu_notifier(&bnx2i_cpu_notifier);
-
- cpu_notifier_register_done();
+ err = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN,
+ "scsi/bnx2i:online",
+ bnx2i_cpu_online, NULL);
+ if (err < 0)
+ goto remove_threads;
+ bnx2i_online_state = err;
+ cpuhp_setup_state_nocalls(CPUHP_SCSI_BNX2I_DEAD, "scsi/bnx2i:dead",
+ NULL, bnx2i_cpu_dead);
+ put_online_cpus();
return 0;
+remove_threads:
+ for_each_online_cpu(cpu)
+ bnx2i_percpu_thread_destroy(cpu);
+ put_online_cpus();
+ cnic_unregister_driver(CNIC_ULP_ISCSI);
unreg_xport:
iscsi_unregister_transport(&bnx2i_iscsi_transport);
out:
@@ -587,14 +569,14 @@ static void __exit bnx2i_mod_exit(void)
}
mutex_unlock(&bnx2i_dev_lock);
- cpu_notifier_register_begin();
+ get_online_cpus();
for_each_online_cpu(cpu)
bnx2i_percpu_thread_destroy(cpu);
- __unregister_hotcpu_notifier(&bnx2i_cpu_notifier);
-
- cpu_notifier_register_done();
+ cpuhp_remove_state_nocalls(bnx2i_online_state);
+ cpuhp_remove_state_nocalls(CPUHP_SCSI_BNX2I_DEAD);
+ put_online_cpus();
iscsi_unregister_transport(&bnx2i_iscsi_transport);
cnic_unregister_driver(CNIC_ULP_ISCSI);