Use kvm_dr{6,7}_valid() to validate the incoming DR{4,5,6,7} value in the
emulator instead of open coding an equivalent check. In the unlikely event
that the behavior of DR6/7 (and their aliases) changes in the future, using
common helpers will hopefully make it less likely the emulator logic will
be overlooked.
No functional change intended.
Reviewed-by: Jim Mattson <jmattson@google.com>
Link: https://patch.msgid.link/20260612230113.684301-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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