On Thu, 17 Sep 2015, Jisheng Zhang wrote:
> Hi Marc,
>
> Commit 01f779f4862b ("irqchip/GIC: Don't deactivate interrupts forwarded to a
> guest") causes a regression on Marvell BG4CT SoC. In this SoC, there's only
> one
> GIC, the secondary irq controller is Synopsys DW iCtl:
> drivers/irqchip/irq-dw-apb-ictl.c
>
> So cascading_gic_irq() should return true on Marvell BG4CT SoC, but it returns
> false. The logic in cascading_gic_irq() doesn't take cascaded irq controller
> which is provided by non-gic controllers.
I have a fix pending for this in
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.irq
714665351cc7: irqchip/gic: Use IRQD_FORWARDED_TO_VCPU flag
Can you please give that a try?
Thanks,
tglx
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