ACK: [B][SRU][PATCH 0/1] s390/early: improve machine detection

[Khaled Elmously]

On 2019-05-27 14:39:30 , Po-Hsu Lin wrote:
> == Justification ==
> The s390x early machine detection code check will set all the uknown
> hypervisors to z/VM, this will cause crash for any non KVM, z/VM
> system.
> 
> == Fixes ==
> 03aa047e (s390/early: improve machine detection)
> Patch can be cherry-picked into Bionic kernel.
> 
> Instead of setting all the other hypervisors to z/VM, it will only set
> MACHINE_FLAG_VM if it matches the case.
> 
> == Tests ==
> A test kernel could be found here:
> https://people.canonical.com/~phlin/kernel/lp-1829972-s390x-early/
> 
> Boot tested on a s390x KVM node and verified by IBM as well.
> 
> == Regression Potential ==
> Low, this just improves the detection logic and the changes are
> specific to s390x.
> 
> Christian Borntraeger (1):
>   s390/early: improve machine detection
> 
>  arch/s390/kernel/early.c | 4 ++--
>  arch/s390/kernel/setup.c | 2 ++
>  2 files changed, 4 insertions(+), 2 deletions(-)
>
Acked-by: Khalid Elmously <khalid.elmously at canonical.com>