From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Richard Hughes <hughsient-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
pcfe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Subject: Re: Suspending with kvm and kvm_loaded
Date: Sun, 17 Jun 2007 10:02:07 +0300 [thread overview]
Message-ID: <4674DC6F.4020108@qumranet.com> (raw)
In-Reply-To: <1182014428.2309.10.camel@work>
Richard Hughes wrote:
> On Sat, 2007-06-16 at 15:30 +0300, Muli Ben-Yehuda wrote:
>
>>> Is there any easy way we can detect if virtual machines are running?
>>>
>> The module use counts will be elevanted and they'll refuse to unload
>> (or there's a nasty bug somewhere).
>>
>
> Nahh, that's too brutal. Is there a way to (hypothetically) read:
>
> # cat /sys/module/kvm/parameters/number_of_running_vms
> 2
>
> Then if the user tries to suspend we can throw up a bubble saying
>
> "Are you sure you want to suspend your computer with a running virtual
> machine?"
>
Why invest in workarounds when a fix is available?
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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next prev parent reply other threads:[~2007-06-17 7:02 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-15 12:56 Suspending with kvm and kvm_loaded Richard Hughes
2007-06-15 13:27 ` Jeremy Katz
[not found] ` <1181914058.10705.3.camel-T9xAYgMuJli44ywRPIzf9A@public.gmane.org>
2007-06-15 13:36 ` Richard Hughes
2007-06-16 7:53 ` Avi Kivity
[not found] ` <4673970B.3070509-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-06-16 10:29 ` Richard Hughes
2007-06-16 12:30 ` Muli Ben-Yehuda
[not found] ` <20070616123025.GO4299-WD1JZD8MxeCTrf4lBMg6DdBPR1lH4CV8@public.gmane.org>
2007-06-16 17:20 ` Richard Hughes
2007-06-16 17:36 ` Luca
[not found] ` <68676e00706161036h4a5f15edw34a8262c6c00debb-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-06-16 20:00 ` Muli Ben-Yehuda
2007-06-17 7:02 ` Avi Kivity [this message]
[not found] ` <4674DC6F.4020108-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-06-17 8:34 ` Richard Hughes
2007-06-17 8:10 ` Avi Kivity
[not found] ` <4674EC81.3080203-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-06-17 9:19 ` Richard Hughes
2007-06-17 8:41 ` Daniel Veillard
[not found] ` <20070617084132.GA10150-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2007-06-17 8:59 ` Avi Kivity
2007-06-17 18:55 ` Richard Hughes
2007-06-19 8:05 ` Avi Kivity
[not found] ` <46778E56.4010106-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-06-19 12:33 ` Jeremy Katz
[not found] ` <1182256402.9869.2.camel-T9xAYgMuJli44ywRPIzf9A@public.gmane.org>
2007-06-19 12:41 ` Richard Hughes
2007-06-21 16:52 ` Patrick C. F. Ernzer
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