[MIPS] Panic on fp exception in kernel mode.

There should never be a FP exception in kernel mode.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index e262fb8..954a198 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -569,6 +569,8 @@
  */
 asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31)
 {
+	die_if_kernel("FP exception in kernel code", regs);
+
 	if (fcr31 & FPU_CSR_UNI_X) {
 		int sig;