Re: [PATCH v6 00/36] Cleaning up the KVM clock mess

David Woodhouse <[email protected]> Sat, 01 Aug 2026 09:38:44 +0100
Newsgroups gmane.linux.documentation,gmane.comp.emulators.kvm.devel,gmane.linux.kernel,gmane.comp.emulators.xen.devel
Message-ID <[email protected]>
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On Fri, 2026-07-31 at 13:09 -0700, Sean Christopherson wrote:
> Applied patch 1 to kvm-x86 clocks.
>
> [01/36] KVM: x86/xen: Do not corrupt KVM clock in kvm_xen_shared_info_ini=
t()
>         https://github.com/kvm-x86/linux/commit/3d4b20b5a7df

Thanks. Could the clocks branch be based on something that includes the
timekeeping work from the timers-ptp-2026-06-13 merge (in v7.2-rc1)?

The later parts of the series depend on ktime_get_snapshot_id() and the
reworked struct system_time_snapshot from there. Your kvm-x86/next
branch does have it; I'll keep my WIP kvmclock8 branch based on that
for now as I address the other comments.


*   2d6d57f889f3 Merge tag 'timers-ptp-2026-06-13' of tip
|\
| * bc484a509673 ptp: vmclock: Use hw_cycles from snapshot for precise TSC =
pairing
| ...
| * ca1ec8bfac8c timekeeping: Add clocksource read_snapshot() method and hw=
_cycles to snapshot
| ...
| * ef22786707e3 timekeeping: Use system_time_snapshot::systime/monoraw ins=
tead of ::real/raw
| * eba302268a01 timekeeping: Provide ktime_get_snapshot_id()

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