diff options
| -rw-r--r-- | hw/s390x/css.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 301bf1772f..56c3fa8c89 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -617,6 +617,14 @@ void css_inject_io_interrupt(SubchDev *sch) void css_conditional_io_interrupt(SubchDev *sch) { /* + * If the subchannel is not enabled, it is not made status pending + * (see PoP p. 16-17, "Status Control"). + */ + if (!(sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ENA)) { + return; + } + + /* * If the subchannel is not currently status pending, make it pending * with alert status. */ |