Re: [Qemu-devel] [PATCH] s390x/cpumodel: remove ais from z14 default model-> also for 2.10.1

[Cornelia Huck <cohuck@redhat.com>]

On Wed, 27 Sep 2017 11:09:28 +0200
Christian Borntraeger <borntraeger@de.ibm.com> wrote:

> On 09/27/2017 10:57 AM, Cornelia Huck wrote:
> > On Wed, 27 Sep 2017 09:41:21 +0200
> > Christian Borntraeger <borntraeger@de.ibm.com> wrote:
> >   
> >> On 09/27/2017 09:39 AM, Cornelia Huck wrote:  
> >>> On Tue, 26 Sep 2017 20:26:31 +0200
> >>> David Hildenbrand <david@redhat.com> wrote:
> >>>     
> >>>> On 26.09.2017 20:05, Christian Borntraeger wrote:    
> >>>>> We disabled ais for 2.10 lets also remove it from the z14 default model.
> >>>>>
> >>>>> Fixes: 3f2d07b3b01e  s390x/ais: for 2.10 stable: disable ais facility
> >>>>> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> >>>>> ---
> >>>>>  target/s390x/gen-features.c | 1 -
> >>>>>  1 file changed, 1 deletion(-)
> >>>>>
> >>>>> diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
> >>>>> index c8dc104..68e6c31 100644
> >>>>> --- a/target/s390x/gen-features.c
> >>>>> +++ b/target/s390x/gen-features.c
> >>>>> @@ -527,7 +527,6 @@ static uint16_t default_GEN13_GA1[] = {
> >>>>>  #define default_GEN13_GA2 EmptyFeat
> >>>>>  
> >>>>>  static uint16_t default_GEN14_GA1[] = {
> >>>>> -    S390_FEAT_ADAPTER_INT_SUPPRESSION,
> >>>>>      S390_FEAT_INSTRUCTION_EXEC_PROT,
> >>>>>      S390_FEAT_GUARDED_STORAGE,
> >>>>>      S390_FEAT_VECTOR_PACKED_DECIMAL,
> >>>>>       
> >>>>
> >>>> Yes, this has to go into stable, otherwise the migration safe stable
> >>>> model would be changed.
> >>>>
> >>>> Apart from that, this looks just fine.    
> >>>
> >>> So, this should go into stable only, as the patches currently on the
> >>> list will fix this properly for 2.11, right?    
> >>
> >> No this also has to go into 2.11 (otherwise the default model for z14 would differ)
> >> so maybe change the subject when applying.
> >>  
> > 
> > OK, so it looks like I should do the following:
> > - Get this upstream as a single patch so that it does not miss the
> >   2.10.1 train.  
> 
> Can you add the Cc stable? I forgot that.

Huh, me too. Fixing up.

> 
> > - Send another pull with the ais(yours)/phb(mine)/whatever(I hope
> >   that's it...) fixups once we're confident about those.  
> 
> yes.
> > 
> > Agreed?
> >   
>