On 16.07.19 15:11, Christian Borntraeger wrote: > > On 16.07.19 15:04, Cornelia Huck wrote: >> On Tue, 16 Jul 2019 14:52:03 +0200 >> Ilya Leoshkevich <i...@linux.ibm.com> wrote: >> >>>> Am 16.07.2019 um 14:41 schrieb David Hildenbrand <da...@redhat.com>: >>>> >>>> How urgent is this? If this can wait, I can polish and send my series I >>>> have here >>>> instead, which also implents >>>> - IEP support >>>> - access-exception-fetch/store-indication facility >>>> - ESOP-1, ESOP-2 >>> >>> This is not urgent, I can live with my patch for now. >>> It’s good to know that proper EDAT-2 support is being worked on. >>> >>> Thanks! >>> Ilya >> >> Ok, so I will not queue this patch right now (I assume you're fine with >> keeping this locally for now?), but wait for David's series for 4.2. >> >> Sounds reasonable? > > While not complete, Ilyas patch clearly improves the situation (and it is > pretty > similar to the EDAT-1 support). > I think the question is: are there other instruction that we emulate in qemu > via the > page table walker even for KVM? I believe we always go via the kvm memory > ioctl for > page table access via instructions so the patch is not critical for KVM. So > unless > we have something I think Connys proposal is reasonable.
Yes, I remember we always go via the ioctl. Only debug memory accesses take this path for KVM. -- Thanks, David / dhildenb
