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-rw-r--r--arch/sh/kernel/irq.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 3d09062f4682..60f8af4497c7 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -114,24 +114,7 @@ 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));
+ irq = irq_demux(irq);
#ifdef CONFIG_IRQSTACKS
curctx = (union irq_ctx *)current_thread_info();