--- zzzz-none-000/linux-4.9.231/arch/mips/include/asm/fpu.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/arch/mips/include/asm/fpu.h	2022-03-30 12:03:33.000000000 +0000
@@ -227,8 +227,10 @@
 		/* Restore FRE */
 		write_c0_config5(config5);
 		enable_fpu_hazard();
-	} else
+	} else if (IS_ENABLED(CONFIG_MIPS_FPU_EMULATOR))
 		fpu_emulator_init_fpu();
+	else
+		ret = SIGILL;
 
 	return ret;
 }