[MIPS] Add BUG_ON assertion for attempt to run kernel on the wrong CPU type.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 234c7f5..c8c47a2 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -922,6 +922,14 @@
default:
c->cputype = CPU_UNKNOWN;
}
+
+ /*
+ * Platform code can force the cpu type to optimize code
+ * generation. In that case be sure the cpu type is correctly
+ * manually setup otherwise it could trigger some nasty bugs.
+ */
+ BUG_ON(current_cpu_type() != c->cputype);
+
if (c->options & MIPS_CPU_FPU) {
c->fpu_id = cpu_get_fpu_id();
