From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753007Ab3AXBQN (ORCPT ); Wed, 23 Jan 2013 20:16:13 -0500 Received: from p3plsmtps2ded04.prod.phx3.secureserver.net ([208.109.80.198]:59147 "EHLO p3plsmtps2ded04.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752677Ab3AXBQA (ORCPT ); Wed, 23 Jan 2013 20:16:00 -0500 x-originating-ip: 72.167.245.219 From: "K. Y. Srinivasan" To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com, davem@davemloft.net, jkosina@suse.cz, James.Bottomley@HansenPartnership.com Cc: "K. Y. Srinivasan" Subject: [PATCH 6/6] Drivers: hv: Execute shutdown in a thread context Date: Wed, 23 Jan 2013 17:42:45 -0800 Message-Id: <1358991765-22715-6-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1358991765-22715-1-git-send-email-kys@microsoft.com> References: <1358991737-22675-1-git-send-email-kys@microsoft.com> <1358991765-22715-1-git-send-email-kys@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/hv/hv_util.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index 8b7868a..aceb67f 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); } /* -- 1.7.4.1