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Re: [Qemu-devel] [PULL 37/40] s390x/kvm: Enable KSS facility for nested
From: |
Christian Borntraeger |
Subject: |
Re: [Qemu-devel] [PULL 37/40] s390x/kvm: Enable KSS facility for nested virtualization |
Date: |
Mon, 17 Jul 2017 20:12:05 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 07/17/2017 07:35 PM, David Hildenbrand wrote:
> On 14.07.2017 12:41, Christian Borntraeger wrote:
>> From: Farhan Ali <address@hidden>
>>
>> If the host supports keyless subset (KSS) then first level
>> guest (G2) should enable KSS facility as well.
>>
>> Signed-off-by: Farhan Ali <address@hidden>
>> Reviewed-by: Eric Farman <address@hidden>
>> Acked-by: Cornelia Huck <address@hidden>
>> Signed-off-by: Christian Borntraeger <address@hidden>
>> ---
>> target/s390x/kvm.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
>> index 8c6cc0a..c773bd6 100644
>> --- a/target/s390x/kvm.c
>> +++ b/target/s390x/kvm.c
>> @@ -2508,6 +2508,7 @@ static int kvm_to_feat[][2] = {
>> { KVM_S390_VM_CPU_FEAT_CMMA, S390_FEAT_SIE_CMMA },
>> { KVM_S390_VM_CPU_FEAT_PFMFI, S390_FEAT_SIE_PFMFI},
>> { KVM_S390_VM_CPU_FEAT_SIGPIF, S390_FEAT_SIE_SIGPIF},
>> + { KVM_S390_VM_CPU_FEAT_KSS, S390_FEAT_SIE_KSS},
>> };
>>
>> static int query_cpu_feat(S390FeatBitmap features)
>>
>
> This bit is not part of any cpu model, so how is this helpful?
> (AFAIK it will simply be dropped from the host model)
See the new patch for z14. ( i had to defer that part till
todays announcement)
- [Qemu-devel] [PULL 26/40] pc-bios/s390-ccw: Add core files for the network bootloading program, (continued)
- [Qemu-devel] [PULL 26/40] pc-bios/s390-ccw: Add core files for the network bootloading program, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 25/40] roms/SLOF: Update submodule to latest status, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 22/40] pc-bios/s390-ccw: Move byteswap functions to a separate header, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 19/40] pc-bios/s390-ccw: Move ebc2asc to sclp.c, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 23/40] pc-bios/s390-ccw: Remove unused structs from virtio.h, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 36/40] s390x/cpumodel: add esop/esop2 to z12 model, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 06/40] s390x/cpumodel: provide compat handling for new cpu features, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 15/40] s390x/css: add ORB to SubchDev, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 37/40] s390x/kvm: Enable KSS facility for nested virtualization, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 14/40] s390x/css: add missing css state conditionally, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 30/40] pc-bios/s390: rebuild s390-ccw.img, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 13/40] s390x: add css_migration_enabled to machine class, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 09/40] s390x/flic: introduce inject_airq callback, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 11/40] s390x/css: update css_adapter_interrupt, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 08/40] s390x/flic: introduce modify_ais_mode callback, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 21/40] pc-bios/s390-ccw: Add a write() function for stdio, Christian Borntraeger, 2017/07/14
- [Qemu-devel] [PULL 32/40] s390x/cpumodel: add zpci, aen and ais facilities, Christian Borntraeger, 2017/07/14