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KVM: x86/mmu: Add a helper to consolidate root sp allocation
Add a helper, mmu_alloc_root(), to consolidate the allocation of a root shadow page, which has the same basic mechanics for all flavors of TDP and shadow paging. Note, __pa(sp->spt) doesn't need to be protected by mmu_lock, sp->spt points at a kernel page. No functional change intended. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Message-Id: <20200428023714.31923-1-sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Sean Christopherson
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Paolo Bonzini
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May 15, 2020
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