diff options
Diffstat (limited to 'drivers/hv/connection.c')
| -rw-r--r-- | drivers/hv/connection.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 02b54f85dc60..2dd972ca85dd 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -484,10 +484,17 @@ void vmbus_set_event(struct vmbus_channel *channel) ++channel->sig_events; - if (hv_isolation_type_snp()) - hv_ghcb_hypercall(HVCALL_SIGNAL_EVENT, &channel->sig_event, - NULL, sizeof(channel->sig_event)); - else + if (ms_hyperv.paravisor_present) { + if (hv_isolation_type_snp()) + hv_ghcb_hypercall(HVCALL_SIGNAL_EVENT, &channel->sig_event, + NULL, sizeof(channel->sig_event)); + else if (hv_isolation_type_tdx()) + hv_tdx_hypercall(HVCALL_SIGNAL_EVENT | HV_HYPERCALL_FAST_BIT, + channel->sig_event, 0); + else + WARN_ON_ONCE(1); + } else { hv_do_fast_hypercall8(HVCALL_SIGNAL_EVENT, channel->sig_event); + } } EXPORT_SYMBOL_GPL(vmbus_set_event); |