On Mon, Dec 27, 2021 at 12:48:04PM +0000, Marc Zyngier wrote:
> As we are going to add support for a variable default mode on arm64,
> let's make sure it is setup first by using a constructor that gets
> called before the actual test runs.
>
> Suggested-by: Andrew Jones <drjones@xxxxxxxxxx>
> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
> ---
> tools/testing/selftests/kvm/lib/aarch64/processor.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
> index b4eeeafd2a70..b509341b8411 100644
> --- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
> +++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
> @@ -432,3 +432,12 @@ uint32_t guest_get_vcpuid(void)
> {
> return read_sysreg(tpidr_el1);
> }
> +
> +/*
> + * arm64 doesn't have a true default mode, so start by computing the
> + * available IPA space and page sizes early.
> + */
> +void __attribute__((constructor)) init_guest_modes(void)
> +{
> + guest_modes_append_default();
> +}
> --
> 2.30.2
>
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
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