I do get [10400.440298] kvm-s390: failed to commit memory region [10400.508723] kvm-s390: failed to commit memory region when running the tests. Will have a look. 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). > > 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 >