Re: [PATCH v6 16/18] s390x: Add unpack facility feature to GA1

2020-03-06 Thread David Hildenbrand
On 06.03.20 11:14, Janosch Frank wrote: > On 3/4/20 12:42 PM, Janosch Frank wrote: >> From: Christian Borntraeger >> >> The unpack facility is an indication that diagnose 308 subcodes 8-10 >> are available to the guest. That means, that the guest can put itself >> into protected mode. >> >> Once

Re: [PATCH v6 16/18] s390x: Add unpack facility feature to GA1

2020-03-06 Thread Janosch Frank
On 3/4/20 12:42 PM, Janosch Frank wrote: > From: Christian Borntraeger > > The unpack facility is an indication that diagnose 308 subcodes 8-10 > are available to the guest. That means, that the guest can put itself > into protected mode. > > Once it is in protected mode, the hardware stops any

Re: [PATCH v6 16/18] s390x: Add unpack facility feature to GA1

2020-03-04 Thread David Hildenbrand
On 04.03.20 12:42, Janosch Frank wrote: > From: Christian Borntraeger > > The unpack facility is an indication that diagnose 308 subcodes 8-10 > are available to the guest. That means, that the guest can put itself > into protected mode. > > Once it is in protected mode, the hardware stops any

[PATCH v6 16/18] s390x: Add unpack facility feature to GA1

2020-03-04 Thread Janosch Frank
From: Christian Borntraeger The unpack facility is an indication that diagnose 308 subcodes 8-10 are available to the guest. That means, that the guest can put itself into protected mode. Once it is in protected mode, the hardware stops any attempt of VM introspection by the hypervisor. Some