Re: [PATCH v2] KVM: s390: wire up bpb feature

2018-01-18 Thread Christian Borntraeger
On 01/18/2018 10:59 AM, Cornelia Huck wrote: > On Wed, 17 Jan 2018 14:44:34 +0100 > Christian Borntraeger wrote: > >> The new firmware interfaces for branch prediction behaviour changes >> are transparently available for the guest. Nevertheless, there is >> new state attached that should be mig

Re: [PATCH v2] KVM: s390: wire up bpb feature

2018-01-18 Thread Cornelia Huck
On Wed, 17 Jan 2018 14:44:34 +0100 Christian Borntraeger wrote: > The new firmware interfaces for branch prediction behaviour changes > are transparently available for the guest. Nevertheless, there is > new state attached that should be migrated and properly resetted. > Provide a mechanism for h

Re: [PATCH v2] KVM: s390: wire up bpb feature

2018-01-17 Thread Martin Schwidefsky
On Wed, 17 Jan 2018 22:43:24 +0100 Christian Borntraeger wrote: > Conny can you review and ack as well? > > Paolo, Radim, > > As the other patches need to sync on the ifetch/nospec/gmb naming I have > changed my mind. :-) > This patch is independent from the other patches (as it just provides

Re: [PATCH v2] KVM: s390: wire up bpb feature

2018-01-17 Thread Christian Borntraeger
On 01/17/2018 02:51 PM, David Hildenbrand wrote: > On 17.01.2018 14:44, Christian Borntraeger wrote: >> The new firmware interfaces for branch prediction behaviour changes >> are transparently available for the guest. Nevertheless, there is >> new state attached that should be migrated and properly

Re: [PATCH v2] KVM: s390: wire up bpb feature

2018-01-17 Thread David Hildenbrand
On 17.01.2018 14:44, Christian Borntraeger wrote: > The new firmware interfaces for branch prediction behaviour changes > are transparently available for the guest. Nevertheless, there is > new state attached that should be migrated and properly resetted. > Provide a mechanism for handling reset, m

[PATCH v2] KVM: s390: wire up bpb feature

2018-01-17 Thread Christian Borntraeger
The new firmware interfaces for branch prediction behaviour changes are transparently available for the guest. Nevertheless, there is new state attached that should be migrated and properly resetted. Provide a mechanism for handling reset, migration and VSIE. Signed-off-by: Christian Borntraeger