On Tue, Mar 29, 2022, Sean Christopherson wrote: > > Fixes: b8e8c8303ff2 ("kvm: mmu: ITLB_MULTIHIT mitigation") > > Cc: stable@xxxxxxxxxxxxxxx > > I vote to keep the Fixes tag, but drop the Cc: stable@ and NAK any MANUALSEL/AUTOSEL > for backporting this to stable trees. Yes, it's a bug, but the NX huge page zapping > kthread will (eventually) reclaim the lost performance. On the flip side, if there's > an edge case we mess up (see below), then we've introduced a far worse bug. Doh, that's wrong. The whole problem is that these pages aren't on the NX list... I think I'd still vote to not send this to stable, but it's a weak vote.