tree 82a1d4ace25eb2bc717f35e7015a52cfc842079b
parent 2a1044f8b7bfd99296774f5f90abf8f96013a997
author Marc Zyngier <marc.zyngier@arm.com> 1455037789 +0000
committer Marc Zyngier <marc.zyngier@arm.com> 1457497344 +0000

KVM: arm/arm64: vgic-v2: Do not save an LR known to be empty

On exit, any empty LR will be signaled in GICH_ELRSR*. Which
means that we do not have to save it, and we can just clear
its state in the in-memory copy.

Take this opportunity to move the LR saving code into its
own function.

Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>