On Fri, 18 Dec 2015 14:38:43 +0300
Pavel Fedin <p.fe...@samsung.com> wrote:
> Before commit 662d9715840aef44dcb573b0f9fab9e8319c868a
> ("arm/arm64: KVM: Kill CONFIG_KVM_ARM_{VGIC,TIMER}") is was possible to
> compile the kernel without vGIC and vTimer support. Commit message says
> about possibility to detect vGIC support in runtime, but this has never
> been implemented.
>
> This patch introduces runtime check, restoring the lost functionality.
> It again allows to use KVM on hardware without vGIC. Interrupt
> controller has to be emulated in userspace in this case.
>
> -ENODEV return code from probe function means there's no GIC at all.
> -ENXIO happens when, for example, there is GIC node in the device tree,
> but it does not specify vGIC resources. Any other error code is still
> treated as full stop because it might mean some really serious problems.
>
> Signed-off-by: Pavel Fedin <p.fe...@samsung.com>
> Reviewed-by: Christoffer Dall <christoffer.d...@linaro.org>
Applied.
Thanks,
M.
--
Jazz is not dead. It just smells funny.
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