c76de350c8
Enhance mov dr instruction emulation used by SVM so that it properly handles dr4/5: alias to dr6/7 if cr4.de is cleared. Otherwise return EMULATE_FAIL which will let our only possible caller in that scenario, ud_interception, re-inject UD. We do not need to inject faults, SVM does this for us (exceptions take precedence over instruction interceptions). For the same reason, the value overflow checks can be removed. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> |
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