On Thu, Oct 18, 2018 at 05:17:57PM +0800, Li Zhang wrote:
> Hi,
>
> I run kvm-units-test on ARM server(QDF2400), but gicv2-ipi,
> gicv2-active cases fail.
I didn't think QDF2400 has GICv2 on GICv3 support?
Do the test cases fail or are they reported as skipped?
> By debuging kvm-unit-tests source code, I found that interrupt is not
> handled. do_handle_exception is not called.
>
> By looking into KVM source code, it has GICv2 emulation on GICv3 support.
> I've tried a lot of kernel versions, from v4.12~v4.19 in mainline,
> these cases always fail.
> Is it possible that hardware/software disables this?
>
> It seems that GICv2 is a little old for ARM server, I am confused when
> we can use it.
> Do we need to care about these cases?
>
I don't think you need to care. I believe Marc has run the
GICv2-on-GICv3 tests on his supported platforms with recent
kvm-unit-tests and other have reported succes as well.
Thanks,
Christoffer
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