On 13 August 2015 at 15:39, Paolo Bonzini <pbonz...@redhat.com> wrote: > TBs are physically-tagged so invalidates are not too frequent unless the > guest does self-modifying code or swaps. They shouldn't be a source of > tb_lock contention except if you do SMC (not just dynamic recompilation: > really self-modifying code).
Do guests with writeable data and code in the same page also get treated as SMC for these purposes? (That's more common than real SMC.) -- PMM
