From: Paolo Bonzini <pbonzini@redhat.com>
To: Dan Magenheimer <dan.magenheimer@oracle.com>
Cc: James Harper <james.harper@bendigoit.com.au>,
Keir Fraser <keir@xen.org>,
xen-devel@lists.xensource.com
Subject: Re: Re: common time reference between domU and dom0
Date: Fri, 10 Dec 2010 22:41:44 +0100 [thread overview]
Message-ID: <4D029E98.2030702@redhat.com> (raw)
In-Reply-To: <94800155-be30-4597-9514-95221e4979c1@default>
On 12/10/2010 09:27 PM, Dan Magenheimer wrote:
> Urk. Paolo, I hope Redhat isn't using HVMOP_get_time now as a basis
> for pvops time?
No. I only plan to use it in Windows guests. That said...
> That was one of the purposes of all the tsc work
> in 4.0 so selecting TSC as the clocksource should have the same
> result (and IIRC the trap is faster than the hypercall).
... this has not been backported to RHEL5 though.
Paolo
next prev parent reply other threads:[~2010-12-10 21:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-10 5:23 common time reference between domU and dom0 James Harper
2010-12-10 7:19 ` Keir Fraser
2010-12-10 8:23 ` James Harper
2010-12-10 10:00 ` Keir Fraser
2010-12-10 10:20 ` James Harper
2010-12-10 10:22 ` Paolo Bonzini
2010-12-10 10:45 ` Keir Fraser
2010-12-10 20:27 ` Dan Magenheimer
2010-12-10 21:41 ` Paolo Bonzini [this message]
2010-12-10 10:45 ` Keir Fraser
2010-12-10 10:51 ` Tim Deegan
2010-12-10 20:24 ` Dan Magenheimer
2010-12-10 8:26 ` Henry Pepper
2010-12-10 10:03 ` Keir Fraser
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