Re: [PATCH v2 08/36] irqchip/gic-v3: Detect GICv4.1 supporting RVPEID

From: Zenghui Yu
Date: Thu Oct 31 2019 - 07:34:48 EST


Hi Marc,

On 2019/10/27 22:42, Marc Zyngier wrote:
GICv4.1 supports the RVPEID ("Residency per vPE ID"), which allows for
a much efficient way of making virtual CPUs resident (to allow direct
injection of interrupts).

The functionnality needs to be discovered on each and every redistributor
in the system, and disabled if the settings are inconsistent.

Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>

Reviewed-by: Zenghui Yu <yuzenghui@xxxxxxxxxx>