Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH v2 1/3] KVM: x86: implement KVM_{GET|SET}_TSC_STATE | Date | Fri, 11 Dec 2020 01:03:47 +0100 |
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On Thu, Dec 10 2020 at 15:19, Andy Lutomirski wrote: >> On Dec 10, 2020, at 2:28 PM, Thomas Gleixner <tglx@linutronix.de> wrote: >> Can we please focus on real problems instead of making up new ones? >> >> Correctness of time is a real problem despite the believe of virt folks >> that it can be ignored or duct taped to death. >> > I’m fine with this as long as it’s intentional. If we say “guest > timekeeping across host suspend is correct because we notify the > guest”, then we have a hole. But if we say “the host will try to > notify the guest, and if the guest is out to lunch then the host > reserves the right to suspend without waiting, and the guest should > deal with this”, then okay.
Yes of course this would be intentional and documented behaviour, which is an infinite improvement over the current situation.
Thanks,
tglx
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