Messages in this thread Patch in this message | | | Date | Tue, 17 Oct 2017 14:28:39 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [patch 2/3] PCI/MSI: Set MSI_FLAG_MUST_REACTIVATE in core code |
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On Tue, 17 Oct 2017, Thomas Gleixner wrote:
> 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@linutronix.de> > --- > 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))
Bah. quilt refresh seems overrated. Correct patch below.
Thanks,
tglx
8<----------------
--- 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_MODE)) + info->flags |= MSI_FLAG_MUST_REACTIVATE; domain = msi_create_irq_domain(fwnode, info, parent); if (!domain)
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