From: Avi Kivity <avi@qumranet.com>
To: "Yang, Sheng" <sheng.yang@intel.com>
Cc: kvm-devel@lists.sourceforge.net
Subject: Re: [PATCH 1/6] KVM: In kernel pit model
Date: Fri, 07 Mar 2008 10:53:40 +0200 [thread overview]
Message-ID: <47D10294.5050400@qumranet.com> (raw)
In-Reply-To: <200803071612.12182.sheng.yang@intel.com>
Yang, Sheng wrote:
> Found more complex for KVM. Xen pulled pm timer down to kernel part, and used
> the guest TSC as source. So only adjust TSC is OK for it. But we are still
> using pm timer in QEmu, which using host time as source. So even we pull back
> TSC, the problem still exists, for 2.6.9 prefer to pm timer by default
Interesting. I guess we should pull the pm timer into the kernel as
well. Timing is too tricky for userspace.
--
Any sufficiently difficult bug is indistinguishable from a feature.
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next prev parent reply other threads:[~2008-03-07 8:53 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-04 10:22 [PATCH 1/6] KVM: In kernel pit model Yang, Sheng
2008-03-05 6:54 ` Avi Kivity
2008-03-05 7:04 ` Yang, Sheng
2008-03-05 9:15 ` Ingo Molnar
2008-03-05 11:35 ` Yang, Sheng
2008-03-05 11:43 ` Avi Kivity
2008-03-05 12:24 ` Ingo Molnar
2008-03-06 7:56 ` Yang, Sheng
2008-03-06 8:06 ` Avi Kivity
2008-03-06 8:43 ` Yang, Sheng
2008-03-06 9:41 ` Yang, Sheng
2008-03-07 8:12 ` Yang, Sheng
2008-03-07 8:53 ` Avi Kivity [this message]
2008-03-07 9:14 ` Yang, Sheng
2008-03-07 9:57 ` Avi Kivity
2008-03-06 9:14 ` Ingo Molnar
2008-03-06 9:25 ` Yang, Sheng
2008-03-06 12:33 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2008-03-07 12:52 [PATCH 1/6] KVM: In kernel PIT model Yang, Sheng
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