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-rw-r--r--arch/s390/kernel/smp.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index e4190bc8cb36..2a991e43ead3 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -295,7 +295,7 @@ static void pcpu_start_fn(struct pcpu *pcpu, void (*func)(void *), void *data)
cpu = pcpu - pcpu_devices;
lc = lowcore_ptr[cpu];
- lc->restart_stack = lc->nodat_stack;
+ lc->restart_stack = lc->kernel_stack;
lc->restart_fn = (unsigned long) func;
lc->restart_data = (unsigned long) data;
lc->restart_source = -1U;
@@ -882,11 +882,19 @@ void __init smp_detect_cpus(void)
memblock_free_early((unsigned long)info, sizeof(*info));
}
-static void smp_init_secondary(void)
+/*
+ * Activate a secondary processor.
+ */
+static void smp_start_secondary(void *cpuvoid)
{
int cpu = raw_smp_processor_id();
S390_lowcore.last_update_clock = get_tod_clock();
+ S390_lowcore.restart_stack = (unsigned long)restart_stack;
+ S390_lowcore.restart_fn = (unsigned long)do_restart;
+ S390_lowcore.restart_data = 0;
+ S390_lowcore.restart_source = -1U;
+ S390_lowcore.restart_flags = 0;
restore_access_regs(S390_lowcore.access_regs_save_area);
cpu_init();
rcu_cpu_starting(cpu);
@@ -906,19 +914,6 @@ static void smp_init_secondary(void)
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
}
-/*
- * Activate a secondary processor.
- */
-static void smp_start_secondary(void *cpuvoid)
-{
- S390_lowcore.restart_stack = (unsigned long) restart_stack;
- S390_lowcore.restart_fn = (unsigned long) do_restart;
- S390_lowcore.restart_data = 0;
- S390_lowcore.restart_source = -1U;
- S390_lowcore.restart_flags = 0;
- call_on_stack_noreturn(smp_init_secondary, S390_lowcore.kernel_stack);
-}
-
/* Upping and downing of CPUs */
int __cpu_up(unsigned int cpu, struct task_struct *tidle)
{