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Diffstat (limited to 'arch/s390/mm/fault.c')
-rw-r--r--arch/s390/mm/fault.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index a58bca62a93b..661d9fe63c43 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -24,7 +24,7 @@
#include <linux/kdebug.h>
#include <linux/init.h>
#include <linux/console.h>
-#include <linux/module.h>
+#include <linux/extable.h>
#include <linux/hardirq.h>
#include <linux/kprobes.h>
#include <linux/uaccess.h>
@@ -740,28 +740,21 @@ out:
put_task_struct(tsk);
}
-static int pfault_cpu_notify(struct notifier_block *self, unsigned long action,
- void *hcpu)
+static int pfault_cpu_dead(unsigned int cpu)
{
struct thread_struct *thread, *next;
struct task_struct *tsk;
- switch (action & ~CPU_TASKS_FROZEN) {
- case CPU_DEAD:
- spin_lock_irq(&pfault_lock);
- list_for_each_entry_safe(thread, next, &pfault_list, list) {
- thread->pfault_wait = 0;
- list_del(&thread->list);
- tsk = container_of(thread, struct task_struct, thread);
- wake_up_process(tsk);
- put_task_struct(tsk);
- }
- spin_unlock_irq(&pfault_lock);
- break;
- default:
- break;
+ spin_lock_irq(&pfault_lock);
+ list_for_each_entry_safe(thread, next, &pfault_list, list) {
+ thread->pfault_wait = 0;
+ list_del(&thread->list);
+ tsk = container_of(thread, struct task_struct, thread);
+ wake_up_process(tsk);
+ put_task_struct(tsk);
}
- return NOTIFY_OK;
+ spin_unlock_irq(&pfault_lock);
+ return 0;
}
static int __init pfault_irq_init(void)
@@ -775,7 +768,8 @@ static int __init pfault_irq_init(void)
if (rc)
goto out_pfault;
irq_subclass_register(IRQ_SUBCLASS_SERVICE_SIGNAL);
- hotcpu_notifier(pfault_cpu_notify, 0);
+ cpuhp_setup_state_nocalls(CPUHP_S390_PFAULT_DEAD, "s390/pfault:dead",
+ NULL, pfault_cpu_dead);
return 0;
out_pfault: