On 1/26/21 10:16 AM, Paolo Bonzini wrote: > On 25/09/20 21:03, Tom Lendacky wrote: >> >> { >> - if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { >> + if (!cpus_are_resettable()) { >> + error_report("cpus are not resettable, terminating"); >> + shutdown_requested = reason; >> + } else if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { > > The error should not be emitted if "no_reboot && reason != > SHUTDOWN_CAUSE_SUBSYSTEM_RESET" (the condition has changed a bit in latest > QEMU but the idea is the same). > > This is because whoever invoked QEMU could already know about this SEV-ES > limitation, and use -no-reboot (aka -action reset=shutdown in 6.0) in > order to change the forbidden warm reset into a shutdown+restart cold reset. Ah, right. Let me re-work this to not emit the message when it is not warranted. Thanks, Tom > > Paolo >