On 29/06/15 18:38, Peter Maydell wrote: > On 29 June 2015 at 18:30, Marc Zyngier <marc.zyngier@xxxxxxx> wrote: >> On 29/06/15 18:13, Chalamarla, Tirumalesh wrote: >>> Will this also prevents migrating between same implementations, >>> if no how is this identified. >> >> This shouldn't. It is pretty easy to look at the incoming guest's MIDR, >> and verify that it matches the default MIDR on the receiving system. Any >> difference, and the migration should abort. > > Do you really want to forbid migration between (say) > Cortex-A57 r3p0 and Cortex-A57 r3p1 ? > > That seems pretty harsh. I think we may need to allow for some flexibility (same major version only, or +/- 1 minor version...). The idea I'm trying to convey is that with "generic CPI", migration is not guaranteed unless we're on extremely similar hardware. M. -- Jazz is not dead. It just smells funny... -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html