Re: [kvm-unit-tests PATCH v1 2/3] s390x: add extint loop test

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On 30/06/2022 13.30, Nico Boehr wrote:
The CPU timer interrupt stays pending as long as the CPU timer value is
negative. This can lead to interruption loops when the ext_new_psw mask
has external interrupts enabled.

QEMU is able to detect this situation and panic the guest, so add a test
for it.

Signed-off-by: Nico Boehr <nrb@xxxxxxxxxxxxx>
---
  s390x/Makefile      |  1 +
  s390x/extint-loop.c | 64 +++++++++++++++++++++++++++++++++++++++++++++
  s390x/unittests.cfg |  4 +++
  3 files changed, 69 insertions(+)
  create mode 100644 s390x/extint-loop.c

Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>




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