On 10/05/21 19:57, Sean Christopherson wrote:
+Paolo
On Mon, May 10, 2021, Jason Gunthorpe wrote:
On Mon, May 10, 2021 at 04:55:39PM +0200, Daniel Vetter wrote:
yeah vfio is still broken for the case I care about. I think there's
also some questions open still about whether kvm really uses
mmu_notifier in all cases correctly,
IIRC kvm doesn't either.
Yep, KVM on x86 has a non-trivial number of flows that don't properly hook into
the mmu_notifier. Paolo is working on fixing the problem, but I believe the
rework won't be ready until 5.14.
Yeah, I like the way it's coming, but I'm at 20-ish patches and counting.
Paolo
