Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-09-17 Thread David Hildenbrand
Am 12.09.18 um 19:42 schrieb Tony Krowiak: > On 08/23/2018 04:24 AM, Cornelia Huck wrote: >> On Thu, 23 Aug 2018 09:48:48 +0200 >> David Hildenbrand wrote: >> Migration of AP devices is not supported by this patch series, so this should not be an issue. >>> Might not be a problem

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-09-17 Thread David Hildenbrand
Am 12.09.18 um 19:42 schrieb Tony Krowiak: > On 08/23/2018 04:24 AM, Cornelia Huck wrote: >> On Thu, 23 Aug 2018 09:48:48 +0200 >> David Hildenbrand wrote: >> Migration of AP devices is not supported by this patch series, so this should not be an issue. >>> Might not be a problem

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-09-12 Thread Tony Krowiak
On 08/23/2018 04:24 AM, Cornelia Huck wrote: On Thu, 23 Aug 2018 09:48:48 +0200 David Hildenbrand wrote: Migration of AP devices is not supported by this patch series, so this should not be an issue. Might not be a problem now, but could be later. As I said in a different reply, the CPU

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-09-12 Thread Tony Krowiak
On 08/23/2018 04:24 AM, Cornelia Huck wrote: On Thu, 23 Aug 2018 09:48:48 +0200 David Hildenbrand wrote: Migration of AP devices is not supported by this patch series, so this should not be an issue. Might not be a problem now, but could be later. As I said in a different reply, the CPU

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-24 Thread Halil Pasic
On 08/23/2018 07:40 PM, David Hildenbrand wrote: On 23.08.2018 19:35, Tony Krowiak wrote: On 08/23/2018 10:59 AM, Pierre Morel wrote: On 23/08/2018 15:38, David Hildenbrand wrote: On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12,

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-24 Thread Halil Pasic
On 08/23/2018 07:40 PM, David Hildenbrand wrote: On 23.08.2018 19:35, Tony Krowiak wrote: On 08/23/2018 10:59 AM, Pierre Morel wrote: On 23/08/2018 15:38, David Hildenbrand wrote: On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12,

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 19:35, Tony Krowiak wrote: > On 08/23/2018 10:59 AM, Pierre Morel wrote: >> On 23/08/2018 15:38, David Hildenbrand wrote: >>> On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: > On 23/08/2018 13:12, David Hildenbrand wrote:

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 19:35, Tony Krowiak wrote: > On 08/23/2018 10:59 AM, Pierre Morel wrote: >> On 23/08/2018 15:38, David Hildenbrand wrote: >>> On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: > On 23/08/2018 13:12, David Hildenbrand wrote:

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Tony Krowiak
On 08/23/2018 10:59 AM, Pierre Morel wrote: On 23/08/2018 15:38, David Hildenbrand wrote: On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12, David Hildenbrand wrote: [..] I'm confused, which 128 bit? Me too :) , I was assuming this

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Tony Krowiak
On 08/23/2018 10:59 AM, Pierre Morel wrote: On 23/08/2018 15:38, David Hildenbrand wrote: On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12, David Hildenbrand wrote: [..] I'm confused, which 128 bit? Me too :) , I was assuming this

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 15:38, David Hildenbrand wrote: On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12, David Hildenbrand wrote: [..] I'm confused, which 128 bit? Me too :) , I was assuming this block to be 128bit, but the qci block has

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 15:38, David Hildenbrand wrote: On 23.08.2018 15:22, Halil Pasic wrote: On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12, David Hildenbrand wrote: [..] I'm confused, which 128 bit? Me too :) , I was assuming this block to be 128bit, but the qci block has

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 15:22, Halil Pasic wrote: > > > On 08/23/2018 02:47 PM, Pierre Morel wrote: >> On 23/08/2018 13:12, David Hildenbrand wrote: > [..] >> >> I'm confused, which 128 bit? > > > Me too :) , I was assuming this block to be 128bit, but the qci block > has 128

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 15:22, Halil Pasic wrote: > > > On 08/23/2018 02:47 PM, Pierre Morel wrote: >> On 23/08/2018 13:12, David Hildenbrand wrote: > [..] >> >> I'm confused, which 128 bit? > > > Me too :) , I was assuming this block to be 128bit, but the qci block > has 128

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Halil Pasic
On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12, David Hildenbrand wrote: [..] I'm confused, which 128 bit? Me too :) , I was assuming this block to be 128bit, but the qci block has 128 bytes And looking at arch/s390/include/asm/ap.h, there is a lot of information

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Halil Pasic
On 08/23/2018 02:47 PM, Pierre Morel wrote: On 23/08/2018 13:12, David Hildenbrand wrote: [..] I'm confused, which 128 bit? Me too :) , I was assuming this block to be 128bit, but the qci block has 128 bytes And looking at arch/s390/include/asm/ap.h, there is a lot of information

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 13:12, David Hildenbrand wrote: On 23.08.2018 13:10, Pierre Morel wrote: On 23/08/2018 12:28, David Hildenbrand wrote: On 23.08.2018 12:00, Halil Pasic wrote: On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: On 08/22/2018 07:24 AM,

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 13:12, David Hildenbrand wrote: On 23.08.2018 13:10, Pierre Morel wrote: On 23/08/2018 12:28, David Hildenbrand wrote: On 23.08.2018 12:00, Halil Pasic wrote: On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: On 08/22/2018 07:24 AM,

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 13:10, Pierre Morel wrote: > On 23/08/2018 12:28, David Hildenbrand wrote: >> On 23.08.2018 12:00, Halil Pasic wrote: >>> >>> >>> On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: > On 08/22/2018 07:24 AM, David Hildenbrand wrote:

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 13:10, Pierre Morel wrote: > On 23/08/2018 12:28, David Hildenbrand wrote: >> On 23.08.2018 12:00, Halil Pasic wrote: >>> >>> >>> On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: > On 08/22/2018 07:24 AM, David Hildenbrand wrote:

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 12:28, David Hildenbrand wrote: On 23.08.2018 12:00, Halil Pasic wrote: On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: On 13.08.2018

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 12:28, David Hildenbrand wrote: On 23.08.2018 12:00, Halil Pasic wrote: On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: On 13.08.2018

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 12:00, Halil Pasic wrote: > > > On 08/23/2018 09:44 AM, David Hildenbrand wrote: >> On 22.08.2018 22:16, Tony Krowiak wrote: >>> On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: > On 13.08.2018 23:48, Tony Krowiak wrote: >>

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 23.08.2018 12:00, Halil Pasic wrote: > > > On 08/23/2018 09:44 AM, David Hildenbrand wrote: >> On 22.08.2018 22:16, Tony Krowiak wrote: >>> On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: > On 13.08.2018 23:48, Tony Krowiak wrote: >>

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Halil Pasic
On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Halil Pasic
On 08/23/2018 09:44 AM, David Hildenbrand wrote: On 22.08.2018 22:16, Tony Krowiak wrote: On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 09:48, David Hildenbrand wrote: I really wonder if we should also export the APXA facility. Given this comment is made within the context of the FACILITIES_KVM_CPUMODEL I might point out that APXA is not indicated by a facilities bit. It is indicated by a bit in the QCI control

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Pierre Morel
On 23/08/2018 09:48, David Hildenbrand wrote: I really wonder if we should also export the APXA facility. Given this comment is made within the context of the FACILITIES_KVM_CPUMODEL I might point out that APXA is not indicated by a facilities bit. It is indicated by a bit in the QCI control

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Cornelia Huck
On Thu, 23 Aug 2018 09:48:48 +0200 David Hildenbrand wrote: > > Migration of AP devices is not supported by this patch series, so this > > should > > not be an issue. > > Might not be a problem now, but could be later. As I said in a different > reply, the CPU model in QEMU does not care

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread Cornelia Huck
On Thu, 23 Aug 2018 09:48:48 +0200 David Hildenbrand wrote: > > Migration of AP devices is not supported by this patch series, so this > > should > > not be an issue. > > Might not be a problem now, but could be later. As I said in a different > reply, the CPU model in QEMU does not care

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
>>> >> I really wonder if we should also export the APXA facility. > > Given this comment is made within the context of the > FACILITIES_KVM_CPUMODEL I might point out that APXA is not > indicated by a facilities bit. It is indicated by a bit in > the QCI control block returned from the PQAP(QCI)

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
>>> >> I really wonder if we should also export the APXA facility. > > Given this comment is made within the context of the > FACILITIES_KVM_CPUMODEL I might point out that APXA is not > indicated by a facilities bit. It is indicated by a bit in > the QCI control block returned from the PQAP(QCI)

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 22.08.2018 22:16, Tony Krowiak wrote: > On 08/22/2018 07:24 AM, David Hildenbrand wrote: >> On 22.08.2018 13:19, David Hildenbrand wrote: >>> On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 22.08.2018 22:16, Tony Krowiak wrote: > On 08/22/2018 07:24 AM, David Hildenbrand wrote: >> On 22.08.2018 13:19, David Hildenbrand wrote: >>> On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 22.08.2018 23:05, Tony Krowiak wrote: > On 08/22/2018 12:57 PM, David Hildenbrand wrote: > In this case we will have no problem with older guests not having idea > about APXA. > > Would it be a solution? Any feature the guest sees, should be part of the CPU model. The whole

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-23 Thread David Hildenbrand
On 22.08.2018 23:05, Tony Krowiak wrote: > On 08/22/2018 12:57 PM, David Hildenbrand wrote: > In this case we will have no problem with older guests not having idea > about APXA. > > Would it be a solution? Any feature the guest sees, should be part of the CPU model. The whole

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Tony Krowiak
On 08/22/2018 12:57 PM, David Hildenbrand wrote: In this case we will have no problem with older guests not having idea about APXA. Would it be a solution? Any feature the guest sees, should be part of the CPU model. The whole environment for cpu subfunctions is already in place both in KVM

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Tony Krowiak
On 08/22/2018 12:57 PM, David Hildenbrand wrote: In this case we will have no problem with older guests not having idea about APXA. Would it be a solution? Any feature the guest sees, should be part of the CPU model. The whole environment for cpu subfunctions is already in place both in KVM

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Tony Krowiak
On 08/22/2018 07:19 AM, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The KVM_S390_VM_CPU_FEAT_AP feature indicates that AP

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Tony Krowiak
On 08/22/2018 07:19 AM, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The KVM_S390_VM_CPU_FEAT_AP feature indicates that AP

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Tony Krowiak
On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Tony Krowiak
On 08/22/2018 07:24 AM, David Hildenbrand wrote: On 22.08.2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
>>> >>> In this case we will have no problem with older guests not having idea >>> about APXA. >>> >>> Would it be a solution? >> >> Any feature the guest sees, should be part of the CPU model. The whole >> environment for cpu subfunctions is already in place both in KVM and >> QEMU. Only

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
>>> >>> In this case we will have no problem with older guests not having idea >>> about APXA. >>> >>> Would it be a solution? >> >> Any feature the guest sees, should be part of the CPU model. The whole >> environment for cpu subfunctions is already in place both in KVM and >> QEMU. Only

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Pierre Morel
On 22/08/2018 17:04, David Hildenbrand wrote: On 22.08.2018 16:33, Pierre Morel wrote: On 22/08/2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Pierre Morel
On 22/08/2018 17:04, David Hildenbrand wrote: On 22.08.2018 16:33, Pierre Morel wrote: On 22/08/2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
On 22.08.2018 16:33, Pierre Morel wrote: > On 22/08/2018 13:19, David Hildenbrand wrote: >> On 13.08.2018 23:48, Tony Krowiak wrote: >>> From: Tony Krowiak >>> >>> Introduces a new CPU model feature and two CPU model >>> facilities to support AP virtualization for KVM guests. >>> >>> CPU model

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
On 22.08.2018 16:33, Pierre Morel wrote: > On 22/08/2018 13:19, David Hildenbrand wrote: >> On 13.08.2018 23:48, Tony Krowiak wrote: >>> From: Tony Krowiak >>> >>> Introduces a new CPU model feature and two CPU model >>> facilities to support AP virtualization for KVM guests. >>> >>> CPU model

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Pierre Morel
On 22/08/2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The KVM_S390_VM_CPU_FEAT_AP feature indicates that AP

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread Pierre Morel
On 22/08/2018 13:19, David Hildenbrand wrote: On 13.08.2018 23:48, Tony Krowiak wrote: From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The KVM_S390_VM_CPU_FEAT_AP feature indicates that AP

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
On 22.08.2018 13:19, David Hildenbrand wrote: > On 13.08.2018 23:48, Tony Krowiak wrote: >> From: Tony Krowiak >> >> Introduces a new CPU model feature and two CPU model >> facilities to support AP virtualization for KVM guests. >> >> CPU model feature: >> >> The KVM_S390_VM_CPU_FEAT_AP feature

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
On 22.08.2018 13:19, David Hildenbrand wrote: > On 13.08.2018 23:48, Tony Krowiak wrote: >> From: Tony Krowiak >> >> Introduces a new CPU model feature and two CPU model >> facilities to support AP virtualization for KVM guests. >> >> CPU model feature: >> >> The KVM_S390_VM_CPU_FEAT_AP feature

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
On 13.08.2018 23:48, Tony Krowiak wrote: > From: Tony Krowiak > > Introduces a new CPU model feature and two CPU model > facilities to support AP virtualization for KVM guests. > > CPU model feature: > > The KVM_S390_VM_CPU_FEAT_AP feature indicates that > AP instructions are available on the

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-22 Thread David Hildenbrand
On 13.08.2018 23:48, Tony Krowiak wrote: > From: Tony Krowiak > > Introduces a new CPU model feature and two CPU model > facilities to support AP virtualization for KVM guests. > > CPU model feature: > > The KVM_S390_VM_CPU_FEAT_AP feature indicates that > AP instructions are available on the

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-21 Thread David Hildenbrand
On 13.08.2018 23:48, Tony Krowiak wrote: > From: Tony Krowiak > > Introduces a new CPU model feature and two CPU model > facilities to support AP virtualization for KVM guests. > > CPU model feature: > > The KVM_S390_VM_CPU_FEAT_AP feature indicates that > AP instructions are available on the

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-21 Thread David Hildenbrand
On 13.08.2018 23:48, Tony Krowiak wrote: > From: Tony Krowiak > > Introduces a new CPU model feature and two CPU model > facilities to support AP virtualization for KVM guests. > > CPU model feature: > > The KVM_S390_VM_CPU_FEAT_AP feature indicates that > AP instructions are available on the

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-20 Thread Cornelia Huck
On Mon, 13 Aug 2018 17:48:18 -0400 Tony Krowiak wrote: > From: Tony Krowiak > > Introduces a new CPU model feature and two CPU model > facilities to support AP virtualization for KVM guests. > > CPU model feature: > > The KVM_S390_VM_CPU_FEAT_AP feature indicates that > AP instructions are

Re: [PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-20 Thread Cornelia Huck
On Mon, 13 Aug 2018 17:48:18 -0400 Tony Krowiak wrote: > From: Tony Krowiak > > Introduces a new CPU model feature and two CPU model > facilities to support AP virtualization for KVM guests. > > CPU model feature: > > The KVM_S390_VM_CPU_FEAT_AP feature indicates that > AP instructions are

[PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-13 Thread Tony Krowiak
From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The KVM_S390_VM_CPU_FEAT_AP feature indicates that AP instructions are available on the guest. This feature will be enabled by the kernel only if

[PATCH v9 21/22] KVM: s390: CPU model support for AP virtualization

2018-08-13 Thread Tony Krowiak
From: Tony Krowiak Introduces a new CPU model feature and two CPU model facilities to support AP virtualization for KVM guests. CPU model feature: The KVM_S390_VM_CPU_FEAT_AP feature indicates that AP instructions are available on the guest. This feature will be enabled by the kernel only if