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Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate interrupts forwarded to a guest")

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On Wed, Sep 16, 2015 at 6:32 PM, Jisheng Zhang <jszhang@marvell.com> 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.
>
> bisect log is as following:

I bisected a GPIO IRQ problem on the ARM Juno reference design
down to the same commit today, haven't had time to test the
patch and going on travels, but I'm hoping it is solving itself now then.

Yours,
Linus Walleij
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Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate  interrupts forwarded to a guest") Jisheng Zhang <jszhang@marvell.com> - 2015-09-16 18:40 +0200
  Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate  interrupts forwarded to a guest") Jisheng Zhang <jszhang@marvell.com> - 2015-09-16 18:50 +0200
    Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate interrupts  forwarded to a guest") Marc Zyngier <marc.zyngier@arm.com> - 2015-09-16 19:00 +0200
  Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate  interrupts forwarded to a guest") Thomas Gleixner <tglx@linutronix.de> - 2015-09-16 19:00 +0200
    Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate  interrupts forwarded to a guest") Jisheng Zhang <jszhang@marvell.com> - 2015-09-16 19:10 +0200
      Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate interrupts  forwarded to a guest") Marc Zyngier <marc.zyngier@arm.com> - 2015-09-16 19:20 +0200
      Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate  interrupts forwarded to a guest") Jisheng Zhang <jszhang@marvell.com> - 2015-09-16 19:20 +0200
  Re: Regression by 01f779f4862b ("irqchip/GIC: Don't deactivate  interrupts forwarded to a guest") Linus Walleij <linus.walleij@linaro.org> - 2015-09-17 23:00 +0200

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