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authorVitaly Kuznetsov <vkuznets@redhat.com>2015-05-07 03:47:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-24 22:19:00 +0300
commit1959a28e2671004c1e9c30ccd2914b868f100742 (patch)
treed525a12b827b41707fb4ee7823d5f43812fee045 /drivers/hv
parentffc151f3c83c25ec06d5ad13a78d0fc066c7167e (diff)
downloadlinux-1959a28e2671004c1e9c30ccd2914b868f100742.tar.xz
Drivers: hv: vmbus: kill tasklets on module unload
Explicitly kill tasklets we create on module unload. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/vmbus_drv.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 2b56260b0eb4..cf204005ee78 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1108,6 +1108,7 @@ static void __exit vmbus_exit(void)
hv_synic_clockevents_cleanup();
vmbus_disconnect();
hv_remove_vmbus_irq();
+ tasklet_kill(&msg_dpc);
vmbus_free_channels();
if (ms_hyperv.features & HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE) {
atomic_notifier_chain_unregister(&panic_notifier_list,
@@ -1115,8 +1116,10 @@ static void __exit vmbus_exit(void)
}
bus_unregister(&hv_bus);
hv_cleanup();
- for_each_online_cpu(cpu)
+ for_each_online_cpu(cpu) {
+ tasklet_kill(hv_context.event_dpc[cpu]);
smp_call_function_single(cpu, hv_synic_cleanup, NULL, 1);
+ }
acpi_bus_unregister_driver(&vmbus_acpi_driver);
hv_cpu_hotplug_quirk(false);
}