On Fri, Apr 10, 2015 at 4:36 PM, Ryan Stone <[email protected]> wrote:
> Using the TSC as the default timecounter in a VM is dangerous. On some > hardware, the TSC is not synchronized across all CPU cores. This means > that if a VM migrates from one core to another, it could see the > timecounter value go backwards. Time jumping backwards can cause all kinds > of hilarity. > > What's really needed is for bhyve to support KVM clock or a similar scheme > (brianv@ might also still need to commit the guest side of KVM clock as > well). > I still need to after addressing some review comments first, but I've been perpetually busy with my job. I hope to get to it RealSoon. _______________________________________________ > [email protected] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to " > [email protected]" > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "[email protected]"
