[RFC PATCH 26/33] irqchip/gic-v3-its: Add VPE affinity changes

[Thomas Gleixner]

On Tue, 17 Jan 2017, Marc Zyngier wrote:

> When we're about to run a vcpu, it is crucial that the redistributor
> associated with the physical CPU is being told about the new residency.
> 
> This is abstracted by hijacking the irq_set_affinity method for the
> doorbell interrupt associated with the VPE. It is expected that the
> hypervisor will call this method before scheduling the VPE.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>

Reviewed-by: Thomas Gleixner <tglx at linutronix.de>