1 files changed, 25 insertions, 0 deletions

diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 764bd456d84..a30004476e7 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -7,6 +7,7 @@
 #include <linux/delay.h>
 #include <linux/reboot.h>
 #include <linux/io.h>
+#include <linux/irq.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/mmu_context.h>
@@ -53,6 +54,29 @@ void machine_crash_nonpanic_core(void *unused)
                 cpu_relax();
 }
 
+static void machine_kexec_mask_interrupts(void)
+{
+        unsigned int i;
+        struct irq_desc *desc;
+
+        for_each_irq_desc(i, desc) {
+                struct irq_chip *chip;
+
+                chip = irq_desc_get_chip(desc);
+                if (!chip)
+                        continue;
+
+                if (chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
+                        chip->irq_eoi(&desc->irq_data);
+
+                if (chip->irq_mask)
+                        chip->irq_mask(&desc->irq_data);
+
+                if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data))
+                        chip->irq_disable(&desc->irq_data);
+        }
+}
+
 void machine_crash_shutdown(struct pt_regs *regs)
 {
         unsigned long msecs;
@@ -70,6 +94,7 @@ void machine_crash_shutdown(struct pt_regs *regs)
                 printk(KERN_WARNING "Non-crashing CPUs did not react to IPI\n");
 
         crash_save_cpu(regs, smp_processor_id());
+        machine_kexec_mask_interrupts();
 
         printk(KERN_INFO "Loading crashdump kernel...\n");
 }