Commit 568b4455 authored by Srivatsa S. Bhat's avatar Srivatsa S. Bhat Committed by Linus Torvalds

mn10300/CPU hotplug: Add missing call to notify_cpu_starting()

The scheduler depends on receiving the CPU_STARTING notification, without
which we end up into a lot of trouble. So add the missing call to
notify_cpu_starting() in the bringup code.
Signed-off-by: default avatarSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ec2e0f98
...@@ -24,6 +24,7 @@ ...@@ -24,6 +24,7 @@
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/profile.h> #include <linux/profile.h>
#include <linux/smp.h> #include <linux/smp.h>
#include <linux/cpu.h>
#include <asm/tlbflush.h> #include <asm/tlbflush.h>
#include <asm/bitops.h> #include <asm/bitops.h>
#include <asm/processor.h> #include <asm/processor.h>
...@@ -38,7 +39,6 @@ ...@@ -38,7 +39,6 @@
#include "internal.h" #include "internal.h"
#ifdef CONFIG_HOTPLUG_CPU #ifdef CONFIG_HOTPLUG_CPU
#include <linux/cpu.h>
#include <asm/cacheflush.h> #include <asm/cacheflush.h>
static unsigned long sleep_mode[NR_CPUS]; static unsigned long sleep_mode[NR_CPUS];
...@@ -874,10 +874,13 @@ static void __init smp_online(void) ...@@ -874,10 +874,13 @@ static void __init smp_online(void)
cpu = smp_processor_id(); cpu = smp_processor_id();
local_irq_enable(); notify_cpu_starting(cpu);
ipi_call_lock();
set_cpu_online(cpu, true); set_cpu_online(cpu, true);
smp_wmb(); ipi_call_unlock();
local_irq_enable();
} }
/** /**
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment