Re: [Qemu-devel] [PATCH v2 0/3] target/s390x: implement idte and improve ipte

2017-06-22 Thread Richard Henderson
On 06/22/2017 02:41 AM, David Hildenbrand wrote: By adding idte, we are now able to expose the DAT-enhancement facility to our guest. Also, properly simulate and expose the local-tlb-clearing facility. To improve the TLB flushing, we will have to remember each used table (or at least a hash!) fo

[Qemu-devel] [PATCH v2 0/3] target/s390x: implement idte and improve ipte

2017-06-22 Thread David Hildenbrand
By adding idte, we are now able to expose the DAT-enhancement facility to our guest. Also, properly simulate and expose the local-tlb-clearing facility. To improve the TLB flushing, we will have to remember each used table (or at least a hash!) for each tlb entry, just like real HW does. This all