From: Dor Laor <dor.laor-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Pengcheng Liu <pcliu-/yWxSo1oARqlxZx38haCkw@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: about apic in uniprocessor
Date: Thu, 20 Dec 2007 12:33:44 +0200 [thread overview]
Message-ID: <476A4508.2000501@qumranet.com> (raw)
In-Reply-To: <0JTB00JIWTVMSU60-YCjw5Q+D+7ffZEITPx7jRP8+0UxHXcjY@public.gmane.org>
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Pengcheng Liu wrote:
> hi, I'm using kvm-48 which has apic kernel support know.
> But I found when working on uniprocessor, the ioapic of kvm is not used.
> Kvm only use pic when it works on uniprocessor?
What's the guest OS? If it is windows with standard HAL then you must
change the HAL.
If it's Linux then you can add kernel cmdline param 'lapic'
Does --no-kvm-irqchip changes anything? [this means user space apic]
Dor
>
> Best Regards
>
> Pengcheng Liu
> Software School, Fudan University
> Tel: 86-021-51355363-18
> MP: 86-13472527372
> E_mail: pcliu-/yWxSo1oARqlxZx38haCkw@public.gmane.org <mailto:pcliu-/yWxSo1oARqlxZx38haCkw@public.gmane.org>
>
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prev parent reply other threads:[~2007-12-20 10:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-20 2:35 about apic in uniprocessor Pengcheng Liu
[not found] ` <0JTB00JIWTVMSU60-YCjw5Q+D+7ffZEITPx7jRP8+0UxHXcjY@public.gmane.org>
2007-12-20 10:33 ` Dor Laor [this message]
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