From: Keir Fraser <keir.fraser@eu.citrix.com>
To: "Tian, Kevin" <kevin.tian@intel.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: RE: question about hvm vhpet
Date: Fri, 21 Nov 2008 09:02:53 +0000 [thread overview]
Message-ID: <C54C29BD.1F76E%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <0A882F4D99BBF6449D58E61AAFD7EDD601E23B58@pdsmsx502.ccr.corp.intel.com>
On 21/11/08 08:10, "Tian, Kevin" <kevin.tian@intel.com> wrote:
>> Then if config file for hvm domain has no explicit 'hpet=0/1' option,
>> will xend issue a hypercall to set vhpet to '0' or the latter will be
>> left as '1'?
>>
>
> It's the former. Anyway, let's keep code aligned with original
> purpose.
The hypervisor code is as it is for old saved guests which do not explicitly
specify HPET. They will have been booted with HPET unconditionally enabled,
and it must not disappear under their feet if they are restored on a newer
hypervisor!
-- Keir
next prev parent reply other threads:[~2008-11-21 9:02 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 [this message]
2008-11-21 9:05 ` Tian, Kevin
2008-11-21 15:26 ` Dan Magenheimer
2008-11-21 15:32 ` Keir Fraser
2008-11-21 15:41 ` Dan Magenheimer
2008-11-21 16:37 ` Dave Winchell
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