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

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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>
This commit is contained in:
Srivatsa S. Bhat
2012-05-16 00:32:17 +05:30
committed by Linus Torvalds
parent 3911ff30f5
commit ec2e0f9811
1 changed files with 7 additions and 1 deletions
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8
arch/parisc/kernel/smp.c
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@@ -31,6 +31,7 @@
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/ftrace.h> #include <linux/ftrace.h>
#include <linux/cpu.h>
#include <linux/atomic.h> #include <linux/atomic.h>
#include <asm/current.h> #include <asm/current.h>
@@ -295,8 +296,13 @@ smp_cpu_init(int cpunum)
printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum); printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
machine_halt(); machine_halt();
} }
notify_cpu_starting(cpunum);
ipi_call_lock();
set_cpu_online(cpunum, true); set_cpu_online(cpunum, true);
ipi_call_unlock();
/* Initialise the idle task for this CPU */ /* Initialise the idle task for this CPU */
atomic_inc(&init_mm.mm_count); atomic_inc(&init_mm.mm_count);