sh: Replace DEBUG_STACKOVERFLOW with STACK_DEBUG.

[pandora-kernel.git] / arch / sh / kernel / irq.c

diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 3d09062..278c68c 100644 (file)
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -114,23 +114,6 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs)
 #endif
 
        irq_enter();
-
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
-       /* Debugging check for stack overflow: is there less than 1KB free? */
-       {
-               long sp;
-
-               __asm__ __volatile__ ("and r15, %0" :
-                                       "=r" (sp) : "0" (THREAD_SIZE - 1));
-
-               if (unlikely(sp < (sizeof(struct thread_info) + STACK_WARN))) {
-                       printk("do_IRQ: stack overflow: %ld\n",
-                              sp - sizeof(struct thread_info));
-                       dump_stack();
-               }
-       }
-#endif
-
        irq = irq_demux(intc_evt2irq(irq));
 
 #ifdef CONFIG_IRQSTACKS