Commit-ID: 25e960efc63852b84d1c3739aef586285b177395 Gitweb: https://git.kernel.org/tip/25e960efc63852b84d1c3739aef586285b177395 Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Tue, 17 Oct 2017 09:54:58 +0200 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 18 Oct 2017 15:38:31 +0200
PCI/MSI: Set MSI_FLAG_MUST_REACTIVATE in core code 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 <t...@linutronix.de> Cc: Josh Poulson <jopou...@microsoft.com> Cc: Mihai Costache <v-mi...@microsoft.com> Cc: Stephen Hemminger <sthem...@microsoft.com> Cc: Marc Zyngier <marc.zyng...@arm.com> Cc: linux-...@vger.kernel.org Cc: Haiyang Zhang <haiya...@microsoft.com> Cc: Dexuan Cui <de...@microsoft.com> Cc: Simon Xiao <six...@microsoft.com> Cc: Saeed Mahameed <sae...@mellanox.com> Cc: Jork Loeser <jork.loe...@microsoft.com> Cc: Bjorn Helgaas <bhelg...@google.com> Cc: de...@linuxdriverproject.org Cc: KY Srinivasan <k...@microsoft.com> Link: https://lkml.kernel.org/r/20171017075600.448649...@linutronix.de --- drivers/pci/msi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 496ed91..e066071 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1441,6 +1441,8 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode, pci_msi_domain_update_chip_ops(info); info->flags |= MSI_FLAG_ACTIVATE_EARLY; + if (IS_ENABLED(CONFIG_GENERIC_IRQ_RESERVATION_MODE)) + info->flags |= MSI_FLAG_MUST_REACTIVATE; domain = msi_create_irq_domain(fwnode, info, parent); if (!domain)
