[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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 :).

Regards,


-- 
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.