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Re: [Xen-devel] [PATCH v2] xen/arm: introduce PLATFORM_QUIRK_GUEST_PIRQ_NEED_EOI

Hi Stefano,

Sorry I didn't think about it before. Ian has pushed Vijay GICv2 rework
today. So you patch won't apply correctly.

On 07/02/2014 04:33 PM, Stefano Stabellini wrote:
> GICH_LR_HW doesn't work as expected on X-Gene: request maintenance
> interrupts and perform EOIs in the hypervisor as a workaround.
> Trigger this behaviour with a per platform option.
> This patch assumes that GICC_DIR can be written on any pcpu for a given
> IRQ, not matter where GICC_IAR has been read before.

I would replace IRQ by SGIs as if it's an SPI/PPI we are screwed. In
practice it doesn't happen :).


Julien Grall

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