From: Gleb Natapov <gleb@redhat.com>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
Glauber Costa <glommer@redhat.com>,
"dlaor@redhat.com" <dlaor@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Blue Swirl <blauwirbel@gmail.com>, Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH] re-set rtc date on reset handler
Date: Wed, 9 Sep 2009 19:09:06 +0300 [thread overview]
Message-ID: <20090909160906.GH22885@redhat.com> (raw)
In-Reply-To: <4AA7CB1E.8040409@us.ibm.com>
On Wed, Sep 09, 2009 at 10:34:54AM -0500, Anthony Liguori wrote:
> Avi Kivity wrote:
> >On 09/09/2009 04:31 PM, Jan Kiszka wrote:
> >>'drift-compensation-for-windows-guests' - this is at least what the
> >>documentation suggests right now. I was looking for a short tag (but not
> >>as short as 'td'...).
> >>
> >
> >It would work for any guest that uses rtc as its main clock source.
>
> First step is qdev conversion for the RTC. You can then introduce a
> drift property. I'd suggest something like
> drift=none|catchup|gradual. The default can be none. We can also
> introduce a kvm machine type where the default is catchup.
> Obviously, we don't support gradual today.
>
What is "catchup" and what is "gradual"?
--
Gleb.
next prev parent reply other threads:[~2009-09-09 16:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-01 16:22 [Qemu-devel] [PATCH] re-set rtc date on reset handler Glauber Costa
2009-09-01 16:56 ` Blue Swirl
2009-09-01 23:00 ` Glauber Costa
2009-09-08 14:55 ` Dor Laor
2009-09-08 16:15 ` [Qemu-devel] " Jan Kiszka
2009-09-08 16:50 ` Jan Kiszka
2009-09-08 17:00 ` Jan Kiszka
2009-09-09 12:28 ` Dor Laor
2009-09-09 12:57 ` Jan Kiszka
2009-09-09 13:27 ` Avi Kivity
2009-09-09 13:31 ` Jan Kiszka
2009-09-09 15:04 ` Avi Kivity
2009-09-09 15:34 ` Anthony Liguori
2009-09-09 16:09 ` Gleb Natapov [this message]
2009-09-09 17:52 ` Anthony Liguori
2009-09-09 18:40 ` Gleb Natapov
2009-09-09 18:50 ` Anthony Liguori
2009-09-09 18:25 ` Avi Kivity
2009-09-09 18:33 ` Anthony Liguori
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