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KVM: arm64: Save PSTATE early on exit
In order to be able to use primitives such as vcpu_mode_is_32bit(), we need to synchronize the guest PSTATE. However, this is currently done deep into the bowels of the world-switch code, and we do have helpers evaluating this much earlier (__vgic_v3_perform_cpuif_access and handle_aarch32_guest, for example). Move the saving of the guest pstate into the early fixups, which cures the first issue. The second one will be addressed separately. Tested-by: Fuad Tabba <[email protected]> Reviewed-by: Fuad Tabba <[email protected]> Signed-off-by: Marc Zyngier <[email protected]>
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