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authorAurelien Jarno <aurelien@aurel32.net>2015-06-15 17:57:02 +0200
committerAlexander Graf <agraf@suse.de>2015-06-17 12:40:50 +0200
commita499973ff32bc58f2db7b88ad5597ffdbc2becd7 (patch)
treede17a88168cddb2da128aed5f4bce6daa31564ad
parentd49f4ab48ec76e590ad72a2d6c3fba8459d3ded7 (diff)
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virtio-ccw: disable ioevent bit when ioeventfds are not enabled
This remove the corresponding error messages in TCG mode, and allow to simplify the s390_assign_subch_ioeventfd() function. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Alexander Graf <agraf@suse.de>
-rw-r--r--hw/s390x/virtio-ccw.c4
-rw-r--r--target-s390x/cpu.h6
2 files changed, 5 insertions, 5 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index b7a88d6..e32ada9 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1401,6 +1401,10 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp)
return;
}
+ if (!kvm_eventfds_enabled()) {
+ dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
+ }
+
sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus);
css_generate_sch_crws(sch->cssid, sch->ssid, sch->schid,
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index d63eb51..c20ef05 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -1215,11 +1215,7 @@ static inline int s390_assign_subch_ioeventfd(EventNotifier *notifier,
uint32_t sch_id, int vq,
bool assign)
{
- if (kvm_enabled()) {
- return kvm_s390_assign_subch_ioeventfd(notifier, sch_id, vq, assign);
- } else {
- return -ENOSYS;
- }
+ return kvm_s390_assign_subch_ioeventfd(notifier, sch_id, vq, assign);
}
#ifdef CONFIG_KVM