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Date: Wed, 17 Jul 2013 15:46:41 -0700 From: Kamal Mostafa <kamal@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: "K. Y. Srinivasan" <kys@...rosoft.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Joseph Salisbury <joseph.salisbury@...onical.com>, Luis Henriques <luis.henriques@...onical.com> Subject: [PATCH 069/145] Drivers: hv: Execute shutdown in a thread context 3.8.13.5 -stable review patch. If anyone has any objections, please let me know. ------------------ From: "K. Y. Srinivasan" <kys@...rosoft.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@...rosoft.com> Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Joseph Salisbury <joseph.salisbury@...onical.com> Signed-off-by: Luis Henriques <luis.henriques@...onical.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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