Sean Christopherson 259720c37d KVM: VMX: Combine "check" and "get" APIs for passthrough MSR lookups
Combine possible_passthrough_msr_slot() and is_valid_passthrough_msr()
into a single function, vmx_get_passthrough_msr_slot(), and have the
combined helper return the slot on success, using a negative value to
indicate "failure".

Combining the operations avoids iterating over the array of passthrough
MSRs twice for relevant MSRs.

Suggested-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: Dongli Zhang <dongli.zhang@oracle.com>
Link: https://lore.kernel.org/r/20240223202104.3330974-4-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2024-02-27 12:29:46 -08:00
..
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