[PATCH 4/4] KVM: arm64: Honor trap routing for TCR2_EL1

Marc Zyngier maz at kernel.org
Tue Jun 25 06:09:40 PDT 2024


On 2024-06-25 14:00, Marc Zyngier wrote:
> TCR2_EL1 handling is missing the handling of its trap configuration:
> 
> - HCRX_EL2.TCR2En must be handled in conjunction with 
> HCR_EL2.{TVM,TRVM}
> 
> - HFG{R,W}TR_EL2.TCR_EL1 does apply to TCR2_EL1 as well
> 
> Without these two controls being implemented, it is impossible to
> correctly route TCR2_EL1 traps.
> 
> Signed-off-by: Marc Zyngier <maz at kernel.org>
> ---
>  arch/arm64/kvm/emulate-nested.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)

Gahh, stale staging directory, please ignore this patch (5/5 is the 
same).

         M.
-- 
Jazz is not dead. It just smells funny...



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