From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from Galois.linutronix.de ([146.0.238.70]:54927 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757464AbdJQH43 (ORCPT ); Tue, 17 Oct 2017 03:56:29 -0400 Message-Id: <20171017075600.448649905@linutronix.de> Date: Tue, 17 Oct 2017 09:54:58 +0200 From: Thomas Gleixner To: LKML Cc: Dexuan Cui , x86@kernel.org, Bjorn Helgaas , Marc Zyngier , KY Srinivasan , Stephen Hemminger , linux-pci@vger.kernel.org, devel@linuxdriverproject.org, Josh Poulson , Haiyang Zhang , Simon Xiao , Saeed Mahameed , Mihai Costache , Jork Loeser Subject: [patch 2/3] PCI/MSI: Set MSI_FLAG_MUST_REACTIVATE in core code References: <20171017075456.694047687@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-pci-owner@vger.kernel.org List-ID: If interrupt reservation mode is enabled then the PCI/MSI interrupts must be reactivated after early activation. Make sure that all callers of pci_msi_create_irq_domain() have the MSI_FLAG_MUST_REACTIVATE set when reservation mode is enabled. Signed-off-by: Thomas Gleixner --- drivers/pci/msi.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1441,6 +1441,8 @@ struct irq_domain *pci_msi_create_irq_do pci_msi_domain_update_chip_ops(info); info->flags |= MSI_FLAG_ACTIVATE_EARLY; + if (IS_ENABLED(CONFIG_GENERIC_IRQ_RESERVATION)) + info->flags |= MSI_FLAG_MUST_REACTIVATE; domain = msi_create_irq_domain(fwnode, info, parent); if (!domain)