Commit-ID: 25e960efc63852b84d1c3739aef586285b177395 Gitweb: https://git.kernel.org/tip/25e960efc63852b84d1c3739aef586285b177395 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Tue, 17 Oct 2017 09:54:58 +0200 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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 <tglx@xxxxxxxxxxxxx> Cc: Josh Poulson <jopoulso@xxxxxxxxxxxxx> Cc: Mihai Costache <v-micos@xxxxxxxxxxxxx> Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx> Cc: Marc Zyngier <marc.zyngier@xxxxxxx> Cc: linux-pci@xxxxxxxxxxxxxxx Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> Cc: Dexuan Cui <decui@xxxxxxxxxxxxx> Cc: Simon Xiao <sixiao@xxxxxxxxxxxxx> Cc: Saeed Mahameed <saeedm@xxxxxxxxxxxx> Cc: Jork Loeser <Jork.Loeser@xxxxxxxxxxxxx> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Cc: devel@xxxxxxxxxxxxxxxxxxxxxx Cc: KY Srinivasan <kys@xxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20171017075600.448649905@xxxxxxxxxxxxx --- 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) -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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