Quoting Janis Schoetterl-Glausch (2022-06-30 16:38:47) > On 6/30/22 13:30, Nico Boehr wrote: > > An invalid PSW causes a program interrupt. When an invalid PSW is > > introduced in the pgm_new_psw, an interrupt loop occurs as soon as a > > program interrupt is caused. > > > > QEMU should detect that and panick the guest, hence add a test for it. > > Why is that, after all in LPAR it would just spin, right? The test doesn't spin for me under LPAR so it seems like LPAR can detect this as well. KVM has code to detect this situation, see handle_prog() in intercept.c, which then exits to userspace. > Also, panicK. Right, fixed. > How do you assert that the guest doesn't spin forever, is there a timeout? There is the default kvm-unit-tests timeout of 90 seconds, but that is probably too much for this test. I think 5 seconds should be plenty, will add.
