From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Dan Magenheimer <dan.magenheimer@oracle.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
xen-devel@lists.xensource.com
Cc: Dave Winchell <dwinchell@virtualiron.com>
Subject: Re: RE: question about hvm vhpet
Date: Fri, 21 Nov 2008 15:32:52 +0000 [thread overview]
Message-ID: <C54C8524.294CA%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <1038bace-a570-4b55-910e-048408320eba@default>
On 21/11/08 15:26, "Dan Magenheimer" <dan.magenheimer@oracle.com> wrote:
> Agreed.... at least unless/until Dave Winchell's hpet
> work gets resubmitted and accepted, hpet is not reliable
> as a timer for most guests. And some OS's will
> always automatically choose hpet if it is enabled
> even, in some cases, if another clocksource was intended.
>
> So off is better... but we should be aware that turning
> it off may provoke significant timer issues for some
> customers who upgrade. The ideal solution is to get
> Dave's code in and leave the vhpet default to on, but
> I don't think Dave has had any time to work on this
> (and I haven't had time either).
vhpet is now based on vpt.c.
-- Keir
next prev parent reply other threads:[~2008-11-21 15:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-21 6:59 question about hvm vhpet Tian, Kevin
2008-11-21 8:10 ` Tian, Kevin
2008-11-21 9:02 ` Keir Fraser
2008-11-21 9:05 ` Tian, Kevin
2008-11-21 15:26 ` Dan Magenheimer
2008-11-21 15:32 ` Keir Fraser [this message]
2008-11-21 15:41 ` Dan Magenheimer
2008-11-21 16:37 ` Dave Winchell
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