On 16/05/19 13:12, 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. > > 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...). No objections at all, though it would be like to have ucall plumbed in from the beginning. Paolo