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    SubjectRe: [patch 2/3] PCI/MSI: Set MSI_FLAG_MUST_REACTIVATE in core code
    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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