linux-kernel - Re: [PATCH 5/5] KVM: Host suspend/resume support

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Message-Id: <1170204163.3569.0.camel@nigel.suspend2.net>
Date:	Wed, 31 Jan 2007 11:42:43 +1100
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Avi Kivity <avi@...ranet.com>, kvm-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org, akpm@...l.org, mingo@...e.hu
Subject: Re: [PATCH 5/5] KVM: Host suspend/resume support

Hi.

On Tue, 2007-01-30 at 23:19 +0100, Rafael J. Wysocki wrote:
> On Tuesday, 30 January 2007 22:20, Nigel Cunningham wrote:
> > Hi.
> > 
> > On Tue, 2007-01-30 at 14:57 +0000, Avi Kivity wrote:
> > > Add the necessary callbacks to suspend and resume a host running kvm.  This
> > > is just a repeat of the cpu hotplug/unplug work.
> > > 
> > > Signed-off-by: Avi Kivity <avi@...ranet.com>
> > 
> > Maybe it's just a lack of understanding, but I'm wondering if this patch
> > is necessary - we already hot-unplug secondary cpus prior to suspending
> > devices.
> 
> Not with the reoredering patches that are in -mm, though.  With these patches,
> the nonboot CPUs are disabled after "regular" devices.

Ah. Good point. Thanks! :)

Nigel

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