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authorK. Y. Srinivasan <kys@microsoft.com>2013-01-23 17:42:45 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-25 11:17:32 -0800
commit3dd6cb497198a0533a2530b6a345c60c9a29b9bc (patch)
treee159310a32bb3869d3858ecc58908af08dcb943f
parent048c5add0865eca299189263b0bf1c7a606de24a (diff)
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 <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/hv/hv_util.c12
1 files changed, 11 insertions, 1 deletions
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);
}
/*