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-rw-r--r--arch/x86/kernel/irq_32.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index e16e99eb..40fc861 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -28,6 +28,9 @@ DEFINE_PER_CPU(struct pt_regs *, irq_regs);
EXPORT_PER_CPU_SYMBOL(irq_regs);
#ifdef CONFIG_DEBUG_STACKOVERFLOW
+
+int sysctl_panic_on_stackoverflow __read_mostly;
+
/* Debugging check for stack overflow: is there less than 1KB free? */
static int check_stack_overflow(void)
{
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