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Re: [PATCH 1/5] x86/time: deal with negative deltas in get_s_time_fixed()

To: Roger Pau Monné <roger.pau@xxxxxxxxxx>
From: Anton Markov <akmarkov45@xxxxxxxxx>
Date: Thu, 15 Jan 2026 11:49:23 +0300
Cc: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Delivery-date: Thu, 15 Jan 2026 08:49:40 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Sorry. I mixed several threads into one. It wasn't immediately clear that the second bug isn't related to handling negative values in scale_delta. It's related to gradual time desynchronization between cores, so they should probably be addressed separately.

Thanks.

References:
- [PATCH 0/5] x86: assorted time handling adjustments
  - From: Jan Beulich
- [PATCH 1/5] x86/time: deal with negative deltas in get_s_time_fixed()
  - From: Jan Beulich
- Re: [PATCH 1/5] x86/time: deal with negative deltas in get_s_time_fixed()
  - From: Roger Pau Monné
- Re: [PATCH 1/5] x86/time: deal with negative deltas in get_s_time_fixed()
  - From: Jan Beulich
- Re: [PATCH 1/5] x86/time: deal with negative deltas in get_s_time_fixed()
  - From: Roger Pau Monné

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