linux-kernel - Re: [PATCH v1 0/9] KVM selftests for s390x

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Date:   Tue, 4 Jun 2019 19:37:25 +0200
From:   Christian Borntraeger <borntraeger@...ibm.com>
To:     Paolo Bonzini <pbonzini@...hat.com>,
        Thomas Huth <thuth@...hat.com>,
        Janosch Frank <frankja@...ux.ibm.com>, kvm@...r.kernel.org
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Andrew Jones <drjones@...hat.com>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH v1 0/9] KVM selftests for s390x



On 04.06.19 19:19, Paolo Bonzini wrote:
> On 23/05/19 18:43, Thomas Huth wrote:
>> This patch series enables the KVM selftests for s390x. As a first
>> test, the sync_regs from x86 has been adapted to s390x, and after
>> a fix for KVM_CAP_MAX_VCPU_ID on s390x, the kvm_create_max_vcpus
>> is now enabled here, too.
>>
>> Please note that the ucall() interface is not used yet - since
>> s390x neither has PIO nor MMIO, this needs some more work first
>> before it becomes usable (we likely should use a DIAG hypercall
>> here, which is what the sync_reg test is currently using, too...
>> I started working on that topic, but did not finish that work
>> yet, so I decided to not include it yet).
> 
> Christian, please include this in your tree (rebasing on top of kvm/next
> as soon as I push it).  Note that Thomas is away for about a month.

Will do. Right now it is part of my next tree on top of rc3.
> 
> Paolo
> 
>> RFC -> v1:
>>  - Rebase, needed to add the first patch for vcpu_nested_state_get/set
>>  - Added patch to introduce VM_MODE_DEFAULT macro
>>  - Improved/cleaned up the code in processor.c
>>  - Added patch to fix KVM_CAP_MAX_VCPU_ID on s390x
>>  - Added patch to enable the kvm_create_max_vcpus on s390x and aarch64
>>
>> Andrew Jones (1):
>>   kvm: selftests: aarch64: fix default vm mode
>>
>> Thomas Huth (8):
>>   KVM: selftests: Wrap vcpu_nested_state_get/set functions with x86
>>     guard
>>   KVM: selftests: Guard struct kvm_vcpu_events with
>>     __KVM_HAVE_VCPU_EVENTS
>>   KVM: selftests: Introduce a VM_MODE_DEFAULT macro for the default bits
>>   KVM: selftests: Align memory region addresses to 1M on s390x
>>   KVM: selftests: Add processor code for s390x
>>   KVM: selftests: Add the sync_regs test for s390x
>>   KVM: s390: Do not report unusabled IDs via KVM_CAP_MAX_VCPU_ID
>>   KVM: selftests: Move kvm_create_max_vcpus test to generic code
>>
>>  MAINTAINERS                                   |   2 +
>>  arch/mips/kvm/mips.c                          |   3 +
>>  arch/powerpc/kvm/powerpc.c                    |   3 +
>>  arch/s390/kvm/kvm-s390.c                      |   1 +
>>  arch/x86/kvm/x86.c                            |   3 +
>>  tools/testing/selftests/kvm/Makefile          |   7 +-
>>  .../testing/selftests/kvm/include/kvm_util.h  |  10 +
>>  .../selftests/kvm/include/s390x/processor.h   |  22 ++
>>  .../kvm/{x86_64 => }/kvm_create_max_vcpus.c   |   3 +-
>>  .../selftests/kvm/lib/aarch64/processor.c     |   2 +-
>>  tools/testing/selftests/kvm/lib/kvm_util.c    |  25 +-
>>  .../selftests/kvm/lib/s390x/processor.c       | 286 ++++++++++++++++++
>>  .../selftests/kvm/lib/x86_64/processor.c      |   2 +-
>>  .../selftests/kvm/s390x/sync_regs_test.c      | 151 +++++++++
>>  virt/kvm/arm/arm.c                            |   3 +
>>  virt/kvm/kvm_main.c                           |   2 -
>>  16 files changed, 514 insertions(+), 11 deletions(-)
>>  create mode 100644 tools/testing/selftests/kvm/include/s390x/processor.h
>>  rename tools/testing/selftests/kvm/{x86_64 => }/kvm_create_max_vcpus.c (93%)
>>  create mode 100644 tools/testing/selftests/kvm/lib/s390x/processor.c
>>  create mode 100644 tools/testing/selftests/kvm/s390x/sync_regs_test.c
>>
>