Re: [Qemu-devel] [RFC v4 5/6] hw/intc/arm_gicv3_its: Implement support for in-kernel ITS emulation

[Peter Maydell]

On 29 July 2016 at 15:13, Auger Eric <address@hidden> wrote:
> Hi Peter,
> On 29/07/2016 15:35, Peter Maydell wrote:
>> On 6 July 2016 at 10:46, Eric Auger <address@hidden> wrote:
>>> +/**
>>> + *
>>> + * We currently do not use kvm_arm_register_device to provide
>>> + * the kernel with the vITS control frame base address since the
>>> + * KVM_DEV_ARM_VGIC_CTRL_INIT init MUST be called after the
>>> + * KVM_ARM_SET_DEVICE_ADDR and the kvm_arm_register_device
>>> + * infra does not allow this.
>>> + */
>>
>> So the conclusion on the kvm-arm mailing list was that the
>> kernel ought to permit DEVICE_ADDR to be set after INIT,
>> the same way it does for the GIC proper, right?
> Yes this was indeed evoked but eventually what is in next, right now is
> the same implementation where KVM_ARM_SET_DEVICE_ADDR is forbidden once
> init is done:

That's bad and we need to fix it, preferably before it hits master.

thanks
-- PMM