| From | Kamal Mostafa <> | Subject | [PATCH 069/145] Drivers: hv: Execute shutdown in a thread context | Date | Wed, 17 Jul 2013 15:46:41 -0700 |
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3.8.13.5 -stable review patch. If anyone has any objections, please let me know.
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From: "K. Y. Srinivasan" <kys@microsoft.com>
commit 3dd6cb497198a0533a2530b6a345c60c9a29b9bc upstream.
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> Cc: Joseph Salisbury <joseph.salisbury@canonical.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- 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 a0667de..c64be4f 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); } /* -- 1.8.1.2
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