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KVM: x86: Add helper functions for illegal GPA checking and page faul…
…t injection This patch adds two helper functions that will be used to support virtualizing MAXPHYADDR in both kvm-intel.ko and kvm.ko. kvm_fixup_and_inject_pf_error() injects a page fault for a user-specified GVA, while kvm_mmu_is_illegal_gpa() checks whether a GPA exceeds vCPU address limits. Signed-off-by: Mohammed Gamal <mgamal@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200710154811.418214-2-mgamal@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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