[v3] KVM: s390: interrupt: Fix stepping into interrupt handlers

[PATCH v3 0/6] KVM: s390: interrupt: Fix stepping into interrupt handlers

Ilya Leoshkevich posted 6 patches 2 years, 6 months ago

Diff against v1 v2 v4
Download series mbox

There is a newer version of this series

arch/s390/kvm/intercept.c                     |  40 ++++-
arch/s390/kvm/interrupt.c                     |  14 ++
arch/s390/kvm/kvm-s390.c                      |  27 ++-
tools/testing/selftests/kvm/Makefile          |   1 +
.../testing/selftests/kvm/s390x/debug_test.c  | 160 ++++++++++++++++++
5 files changed, 230 insertions(+), 12 deletions(-)
create mode 100644 tools/testing/selftests/kvm/s390x/debug_test.c

Expand all Fold all

[PATCH v3 0/6] KVM: s390: interrupt: Fix stepping into interrupt handlers

Posted by Ilya Leoshkevich 2 years, 6 months ago

v2: https://lore.kernel.org/lkml/20230721120046.2262291-1-iii@linux.ibm.com/
v2 -> v3: Add comments, improve the commit messages (Christian, David).
          Add R-bs.
          Patches that need review: [4/6], [6/6].

v1: https://lore.kernel.org/lkml/20230629083452.183274-1-iii@linux.ibm.com/
v1 -> v2: Fix three more issues.
          Add selftests (Claudio).

Hi,

I tried to compare the behavior of KVM and TCG by diffing instruction
traces, and found five issues in KVM related to stepping into interrupt
handlers.

Best regards,
Ilya

Ilya Leoshkevich (6):
  KVM: s390: interrupt: Fix single-stepping into interrupt handlers
  KVM: s390: interrupt: Fix single-stepping into program interrupt
    handlers
  KVM: s390: interrupt: Fix single-stepping kernel-emulated instructions
  KVM: s390: interrupt: Fix single-stepping userspace-emulated
    instructions
  KVM: s390: interrupt: Fix single-stepping keyless mode exits
  KVM: s390: selftests: Add selftest for single-stepping

 arch/s390/kvm/intercept.c                     |  40 ++++-
 arch/s390/kvm/interrupt.c                     |  14 ++
 arch/s390/kvm/kvm-s390.c                      |  27 ++-
 tools/testing/selftests/kvm/Makefile          |   1 +
 .../testing/selftests/kvm/s390x/debug_test.c  | 160 ++++++++++++++++++
 5 files changed, 230 insertions(+), 12 deletions(-)
 create mode 100644 tools/testing/selftests/kvm/s390x/debug_test.c

-- 
2.41.0