[PATCH v3 4/6] KVM: arm64: Make ID_AA64PFR0_EL1.RAS writable

Cornelia Huck cohuck at redhat.com
Mon Aug 18 05:37:30 PDT 2025


On Sun, Aug 17 2025, Marc Zyngier <maz at kernel.org> wrote:

> Make ID_AA64PFR0_EL1.RAS writable so that we can restore a VM from
> a system without RAS to a RAS-equipped machine (or disable RAS
> in the guest).
>
> Signed-off-by: Marc Zyngier <maz at kernel.org>
> ---
>  arch/arm64/kvm/sys_regs.c | 1 -
>  1 file changed, 1 deletion(-)

Reviewed-by: Cornelia Huck <cohuck at redhat.com>




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