On Sun, Jun 07, 2015 at 11:15:08AM +0200, Jan Kiszka wrote: > From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> > > ARAT signals that the APIC timer does not stop in power saving states. > As our APICs are emulated, it's fine to expose this feature to guests, > at least when asking for KVM host features or with CPU types that > include the flag. The exact model number that introduced the feature is > not known, but reports can be found that it's at least available since > Sandy Bridge. > > Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> The code looks good now, but: what are the real consequences of enabling/disabling the flag? What exactly guests use it for? Isn't this going to make guests have additional expectations about the APIC timer that may be broken when live-migrating or pausing the VM? -- Eduardo -- 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
