parisc/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: Srivatsa S. Bhat <[email protected]> Acked-and-Tested-by: Mikulas Patocka <[email protected]> Acked-and-Tested-by: Tobias Ulmer <[email protected]> Tested-by: John David Anglin <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
chewitt · May 16, 2012 · ec2e0f9 · ec2e0f9
1 parent 3911ff3
commit ec2e0f9
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
@@ -31,6 +31,7 @@
 #include <linux/delay.h>
 #include <linux/bitops.h>
 #include <linux/ftrace.h>
+#include <linux/cpu.h>
 
 #include <linux/atomic.h>
 #include <asm/current.h>
@@ -295,8 +296,13 @@ smp_cpu_init(int cpunum)
 
 		printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
 		machine_halt();
-	}  
+	}
+
+	notify_cpu_starting(cpunum);
+
+	ipi_call_lock();
 	set_cpu_online(cpunum, true);
+	ipi_call_unlock();
 
 	/* Initialise the idle task for this CPU */
 	atomic_inc(&init_mm.mm_count);