summaryrefslogtreecommitdiff
path: root/drivers/hv/vmbus_drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
-rw-r--r--drivers/hv/vmbus_drv.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 00d5158b4ac7..31748a21d8f9 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1060,6 +1060,17 @@ static struct acpi_driver vmbus_acpi_driver = {
},
};
+static void hv_kexec_handler(void)
+{
+ int cpu;
+
+ hv_synic_clockevents_cleanup();
+ vmbus_initiate_unload();
+ for_each_online_cpu(cpu)
+ smp_call_function_single(cpu, hv_synic_cleanup, NULL, 1);
+ hv_cleanup();
+};
+
static int __init hv_acpi_init(void)
{
int ret, t;
@@ -1092,6 +1103,8 @@ static int __init hv_acpi_init(void)
if (ret)
goto cleanup;
+ hv_setup_kexec_handler(hv_kexec_handler);
+
return 0;
cleanup:
@@ -1104,6 +1117,7 @@ static void __exit vmbus_exit(void)
{
int cpu;
+ hv_remove_kexec_handler();
vmbus_connection.conn_state = DISCONNECTED;
hv_synic_clockevents_cleanup();
vmbus_disconnect();