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-rw-r--r--hw/s390x/css.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 39ae5bb..5424ea4 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -1199,17 +1199,6 @@ static IOInstEnding sch_handle_start_func_passthrough(SubchDev *sch)
assert(orb != NULL);
p->intparm = orb->intparm;
}
-
- /*
- * Only support prefetch enable mode.
- * Only support 64bit addressing idal.
- */
- if (!(orb->ctrl0 & ORB_CTRL0_MASK_C64)) {
- warn_report("vfio-ccw requires PFCH and C64 flags set");
- sch_gen_unit_exception(sch);
- css_inject_io_interrupt(sch);
- return IOINST_CC_EXPECTED;
- }
return s390_ccw_cmd_request(sch);
}