irqchip/gic-v3-its: Add VPE affinity changes

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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.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

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Marc Zyngier 2016-12-20 15:17:28 +00:00

parent 5e2f764234

commit 3171a47a22

1 changed files with 96 additions and 0 deletions

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drivers/irqchip/irq-gic-v3-its.c

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