x86: Panic on detection of stack overflow

[deliverable/linux.git] / arch / x86 / kernel / irq_32.c

diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index 72090705a656a65c5167392b7c815577e6798356..e16e99ebd7ad3b158d90c6cd9951d0bb3feee659 100644 (file)
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -43,6 +43,8 @@ static void print_stack_overflow(void)
 {
        printk(KERN_WARNING "low stack detected by irq handler\n");
        dump_stack();
+       if (sysctl_panic_on_stackoverflow)
+               panic("low stack detected by irq handler - check messages\n");
 }
 
 #else