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Re: [Qemu-devel] [PATCH] arm_gic_kvm: Disable live migration if not supp
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH] arm_gic_kvm: Disable live migration if not supported |
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Date: |
Fri, 16 Oct 2015 14:10:28 +0100 |
On 16 October 2015 at 08:52, Pavel Fedin <address@hidden> wrote:
> Hello!
>
>> But this is the GICv2 code. Unless there are kernels out in the wild
>> which support v2 but not migration, there's no need to check
>> for that situation here.
>
> Such kernels do exist for sure, otherwise why do we have
kvm_gic_can_save_restore() at all? I remember even you pointed me at it.
> I've just checked LXR, we have vGIC support since 3.11, but
> KVM_DEV_TYPE_ARM_VGIC_V2 was introduced only in 3.14.
OK; it makes sense to specifically block migration in this case
I think.
-- PMM