diff options
Diffstat (limited to 'drivers/hv/hv.c')
| -rw-r--r-- | drivers/hv/hv.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 410f1fab519c..f202ac7f4b3d 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -180,7 +180,7 @@ void hv_synic_enable_regs(unsigned int cpu) /* Setup the shared SINT. */ hv_get_synint_state(VMBUS_MESSAGE_SINT, shared_sint.as_uint64); - shared_sint.vector = HYPERVISOR_CALLBACK_VECTOR; + shared_sint.vector = hv_get_vector(); shared_sint.masked = false; shared_sint.auto_eoi = hv_recommend_using_aeoi(); hv_set_synint_state(VMBUS_MESSAGE_SINT, shared_sint.as_uint64); @@ -244,9 +244,13 @@ int hv_synic_cleanup(unsigned int cpu) /* * Hyper-V does not provide a way to change the connect CPU once - * it is set; we must prevent the connect CPU from going offline. + * it is set; we must prevent the connect CPU from going offline + * while the VM is running normally. But in the panic or kexec() + * path where the vmbus is already disconnected, the CPU must be + * allowed to shut down. */ - if (cpu == VMBUS_CONNECT_CPU) + if (cpu == VMBUS_CONNECT_CPU && + vmbus_connection.conn_state == CONNECTED) return -EBUSY; /* |