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594e91a100
Introduce "struct kvm_mmu_role_regs" to hold the register state that is incorporated into the mmu_role. For nested TDP, the register state that is factored into the MMU isn't vCPU state; the dedicated struct will be used to propagate the correct state throughout the flows without having to pass multiple params, and also provides helpers for the various flag accessors. Intentionally make the new helpers cumbersome/ugly by prepending four underscores. In the not-too-distant future, it will be preferable to use the mmu_role to query bits as the mmu_role can drop irrelevant bits without creating contradictions, e.g. clearing CR4 bits when CR0.PG=0. Reserve the clean helper names (no underscores) for the mmu_role. Add a helper for vCPU conversion, which is the common case. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Message-Id: <20210622175739.3610207-21-seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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