From 3dd6cb497198a0533a2530b6a345c60c9a29b9bc Mon Sep 17 00:00:00 2001 From: "K. Y. Srinivasan" Date: Wed, 23 Jan 2013 17:42:45 -0800 Subject: [PATCH] Drivers: hv: Execute shutdown in a thread context Execute the shutdown code in a thread context. With recent changes made to the shutdown code, shutdown code cannot be invoked from an interrupt context. Signed-off-by: K. Y. Srinivasan Reviewed-by: Haiyang Zhang Signed-off-by: Greg Kroah-Hartman --- drivers/hv/hv_util.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index 8b7868a5bad0..1d4cbd8e8261 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -49,6 +49,16 @@ static struct hv_util_service util_kvp = { .util_deinit = hv_kvp_deinit, }; +static void perform_shutdown(struct work_struct *dummy) +{ + orderly_poweroff(true); +} + +/* + * Perform the shutdown operation in a thread context. + */ +static DECLARE_WORK(shutdown_work, perform_shutdown); + static void shutdown_onchannelcallback(void *context) { struct vmbus_channel *channel = context; @@ -106,7 +116,7 @@ static void shutdown_onchannelcallback(void *context) } if (execute_shutdown == true) - orderly_poweroff(true); + schedule_work(&shutdown_work); } /*