diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kernel/early.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index ee051ad81c71..0242fa78c918 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -177,8 +177,21 @@ static __init void setup_topology(void) void __do_early_pgm_check(struct pt_regs *regs) { - if (!fixup_exception(regs)) - disabled_wait(); + struct lowcore *lc = get_lowcore(); + unsigned long ip; + + regs->int_code = lc->pgm_int_code; + regs->int_parm_long = lc->trans_exc_code; + ip = __rewind_psw(regs->psw, regs->int_code >> 16); + + /* Monitor Event? Might be a warning */ + if ((regs->int_code & PGM_INT_CODE_MASK) == 0x40) { + if (report_bug(ip, regs) == BUG_TRAP_TYPE_WARN) + return; + } + if (fixup_exception(regs)) + return; + disabled_wait(); } static noinline __init void setup_lowcore_early(void) |