Commit ec2e0f98 authored May 16, 2012 by Srivatsa S. Bhat Committed by Linus Torvalds May 15, 2012

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 <srivatsa.bhat@linux.vnet.ibm.com>
Acked-and-Tested-by: Mikulas Patocka <mpatocka@redhat.com>
Acked-and-Tested-by: Tobias Ulmer <tobiasu@tmux.org>
Tested-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 3911ff30

arch/parisc/kernel/smp.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -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>
		@@ -296,7 +297,12 @@ 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);

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