On Fri, 2025-01-10 at 08:29 -0800, Dave Hansen wrote: > > about. > > IIRC, the "big" invalidation modes are pretty cheap to execute. Most > of > the cost comes from the TLB refill, not the flush itself. > > But there's no substitute for actually measuring it. There's some > wonky > stuff out there. The last time Andy L. went and looked at it, there > were > oddities like INVPCID's "Individual-address invalidation" and INVLPG > having surprisingly different performance. > Agreed on all points. If you guys don't mind, I'm going to keep this on the back burner, while I work my way through all the suggested code cleanups and improvements first. -- All Rights Reversed.
