On Mon, Dec 02, 2024, Dave Hansen wrote: > On 12/2/24 10:09, Amit Shah wrote: > > I can still include the summary of the discussion in this patch - I > > just feel it isn't necessary with the rework. > > It's necessary. > > There's a new hardware feature. You want it to replace a software > sequence in certain situations. You have to make an actual, coherent > argument argument as to why the hardware feature is a suitable replacement. > > For instance (and I'm pretty sure we've gone over this more than once), > the changelog here still makes the claim that a "context switch" and a > "mov-to-CR3" are the same thing. +1000. I want a crisp, precise description of the actual hardware behavior, so that KVM can do the right thing when virtualizing ERAPS.
