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Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration
From: |
Jamie Lokier |
Subject: |
Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration |
Date: |
Wed, 9 Sep 2009 23:23:33 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
Anthony Liguori wrote:
> >Besides the interface thing, I'm also interesting in comments on the
> >other core idea, the selectable RTC base clock. Do we want this knob? Do
> >we want host_clock unconditionally? Or should the other RTC that
> >currently use the host time already also gain vm_clock support over the
> >time?
> >
> Hard to say. Doesn't the rtc keep track of wallclock time even on power
> off? I think using host_clock unconditionally does actually make sense.
Sometimes it's useful to offset the emulated clock for one reason or
another, hence the -startdate options. But having it run at the
correct speed is usually useful :-)
Also, sometimes (due to licenses with wallclock limits) it's useful
for a guest to not see much time pass when the guest is powered off,
although it still needs to be positive.
Will the -startdate functionality be maintained with the RTC changes?
-- Jamie
- [Qemu-devel] [PATCH 4/5] Refactor RTC command line switches, (continued)
- [Qemu-devel] [PATCH 4/5] Refactor RTC command line switches, Jan Kiszka, 2009/09/09
- [Qemu-devel] [PATCH 5/5] Enable host-clock-based RTC, Jan Kiszka, 2009/09/09
- [Qemu-devel] [PATCH 2/5] win32: Drop dead dyntick timer code, Jan Kiszka, 2009/09/09
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Anthony Liguori, 2009/09/09
- Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration,
Jamie Lokier <=
- Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Jan Kiszka, 2009/09/11
- Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Dor Laor, 2009/09/13
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Jan Kiszka, 2009/09/13
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Anthony Liguori, 2009/09/14
- [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Jan Kiszka, 2009/09/14
- Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Markus Armbruster, 2009/09/09
Re: [Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Gerd Hoffmann, 2009/09/10
[Qemu-devel] Re: [PATCH 0/5] Refactor and enhance RTC configuration, Blue Swirl, 2009/09/09