selftests: KVM: Introduce psci_cpu_on_test

Introduce a test for aarch64 that ensures CPU resets induced by PSCI are
reflected in the target vCPU's state, even if the target is never run
again. This is a regression test for a race between vCPU migration and
PSCI.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Oliver Upton <oupton@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210818202133.1106786-5-oupton@google.com
This commit is contained in:
Oliver Upton 2021-08-18 20:21:33 +00:00 • committed by Marc Zyngier
commit cb97cf95c4
4 changed files with 126 additions and 0 deletions