S390_lowcore.machine_flags |= MACHINE_FLAG_TLB_LC;
if (test_facility(129))
S390_lowcore.machine_flags |= MACHINE_FLAG_VX;
+ if (test_facility(128))
+ S390_lowcore.machine_flags |= MACHINE_FLAG_CAD;
#endif
}
+static int __init nocad_setup(char *str)
+{
+ S390_lowcore.machine_flags &= ~MACHINE_FLAG_CAD;
+ return 0;
+}
+early_param("nocad", nocad_setup);
+
+static int __init cad_init(void)
+{
+ if (MACHINE_HAS_CAD)
+ /* Enable problem state CAD. */
+ __ctl_set_bit(2, 3);
+ return 0;
+}
+early_initcall(cad_init);
+
static __init void rescue_initrd(void)
{
#ifdef CONFIG_BLK_DEV_INITRD