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Re: [PATCH 0/2] time: fix time accounting for x86 HVM guests
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 15 Apr 2026 10:44:28 +0200
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On Tue, Apr 14, 2026 at 12:33:25PM +0200, Roger Pau Monne wrote:
> Hello,
>
> When not emulating the TSC the guest time value calculated by using the
> vCPU time info page in HVM mode would drift between time synchronization
> intervals. First patch fixes the drift, second patch makes the
> calculation of cpu_khz round up the value for better accuracy.
I confirm with with those patches, and without the other fix ("x86/time:
do not kill calibration timer on suspend") the post-S3 issue is also
gone!
Tested-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
--
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab
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