From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933184AbdENShc (ORCPT ); Sun, 14 May 2017 14:37:32 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:58235 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932973AbdENSh2 (ORCPT ); Sun, 14 May 2017 14:37:28 -0400 Message-Id: <20170514183613.331455858@linutronix.de> User-Agent: quilt/0.63-1 Date: Sun, 14 May 2017 20:27:27 +0200 From: Thomas Gleixner To: LKML Cc: Peter Zijlstra , Ingo Molnar , Steven Rostedt , Mark Rutland , Joerg Roedel , iommu@lists.linux-foundation.org Subject: [patch 11/18] iommu/of: Adjust system_state check References: <20170514182716.347236777@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=iommu-of--Adjust-system_state-check.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To enable smp_processor_id() and might_sleep() debug checks earlier, it's required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING. Adjust the system_state check in of_iommu_driver_present() to handle the extra states. Signed-off-by: Thomas Gleixner Cc: Joerg Roedel Cc: iommu@lists.linux-foundation.org --- drivers/iommu/of_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -103,7 +103,7 @@ static bool of_iommu_driver_present(stru * it never will be. We don't want to defer indefinitely, nor attempt * to dereference __iommu_of_table after it's been freed. */ - if (system_state > SYSTEM_BOOTING) + if (system_state >= SYSTEM_RUNNING) return false; return of_match_node(&__iommu_of_table, np);