>-----Original Message----- >From: Daniel P. Berrangé <berrange@xxxxxxxxxx> >Subject: Re: [PATCH rfcv3 07/11] qemu: add hard reboot in QEMU driver > >On Mon, Nov 27, 2023 at 04:55:17PM +0800, Zhenzhong Duan wrote: >> From: Chenyi Qiang <chenyi.qiang@xxxxxxxxx> >> >> Add the new flag >VIR_DOMAIN_REBOOT_HARD/VIR_DOMAIN_SHUTDOWN_HARD to >> carry out a hard reboot, which kills the QEMU process and creates a new >> one with the same definition. > >AFAICT, the _HARD flags cause it to issue a QEMU monitor >command todo an ACPI shutdown and then re-create QEMU. > >IOW, it seems like this is just the same as the existing >_ACPI flags, and so I'm not sure why we need any new >functionality at all. > >What is the existing ACPI shutdown & fake reboot not >able to achieve ? ACPI shutdown & fake reboot send below QMP command in sequence: "system_powerdown", "system_reset", "cont". "system_reset" QMP command isn't supported by TDX for security reasons. So we have to kill old QEMU and re-create new one. Thanks Zhenzhong _______________________________________________ Devel mailing list -- devel@xxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxx
