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-rw-r--r--kernel/stop_machine.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index daabb74ee0bc..fcee2a8e6da3 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -8,6 +8,8 @@
8#include <linux/sched.h> 8#include <linux/sched.h>
9#include <linux/stop_machine.h> 9#include <linux/stop_machine.h>
10#include <linux/syscalls.h> 10#include <linux/syscalls.h>
11#include <linux/interrupt.h>
12
11#include <asm/atomic.h> 13#include <asm/atomic.h>
12#include <asm/semaphore.h> 14#include <asm/semaphore.h>
13#include <asm/uaccess.h> 15#include <asm/uaccess.h>
@@ -45,6 +47,7 @@ static int stopmachine(void *cpu)
45 if (stopmachine_state == STOPMACHINE_DISABLE_IRQ 47 if (stopmachine_state == STOPMACHINE_DISABLE_IRQ
46 && !irqs_disabled) { 48 && !irqs_disabled) {
47 local_irq_disable(); 49 local_irq_disable();
50 hard_irq_disable();
48 irqs_disabled = 1; 51 irqs_disabled = 1;
49 /* Ack: irqs disabled. */ 52 /* Ack: irqs disabled. */
50 smp_mb(); /* Must read state first. */ 53 smp_mb(); /* Must read state first. */
@@ -124,6 +127,7 @@ static int stop_machine(void)
124 127
125 /* Make them disable irqs. */ 128 /* Make them disable irqs. */
126 local_irq_disable(); 129 local_irq_disable();
130 hard_irq_disable();
127 stopmachine_set_state(STOPMACHINE_DISABLE_IRQ); 131 stopmachine_set_state(STOPMACHINE_DISABLE_IRQ);
128 132
129 return 0; 133 return 0;