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Re: [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width

To: Grzegorz Uriasz <gorbak25@xxxxxxxxx>
From: Jan Beulich <jbeulich@xxxxxxxx>
Date: Tue, 16 Jun 2020 17:13:16 +0200
Cc: artur@xxxxxxxxxxxx, Wei Liu <wl@xxxxxxx>, jakub@xxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, marmarek@xxxxxxxxxxxxxxxxxxxxxx, j.nowak26@xxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Roger Pau Monné <roger.pau@xxxxxxxxxx>
Delivery-date: Tue, 16 Jun 2020 15:13:19 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 16.06.2020 17:10, Grzegorz Uriasz wrote:
> I'm wondering why support for 32 bit acpi pm timers was introduced to xen.

The handling of the timer wrapping is less overhead is a wider timer can
be used.

Jan

References:
- [PATCH 0/1] Fix broken suspend on some machines
  - From: Grzegorz Uriasz
- [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width
  - From: Grzegorz Uriasz
- Re: [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width
  - From: Jan Beulich
- Re: [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width
  - From: Roger Pau Monné
- Re: [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width
  - From: Jan Beulich
- Re: [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width
  - From: Roger Pau Monné
- Re: [PATCH 1/1] x86/acpi: Use FADT flags to determine the PMTMR width
  - From: Grzegorz Uriasz

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