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

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Message-ID: <45C05C35.9040107@qumranet.com>
Date:	Wed, 31 Jan 2007 11:07:01 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	nigel@...el.suspend2.net, 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

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.
>>     
>
>   

The on_each_cpu() in the patch really means on_this_cpu().


> Not with the reoredering patches that are in -mm, though.  With these patches,
> the nonboot CPUs are disabled after "regular" devices.
>   


After that, it means on_each_cpu() again, and the hotplug patch becomes 
unnecessary (except to support hotplug, of course).

Assuming I understand things correctly, which if not at all certain.


-- 
error compiling committee.c: too many arguments to function

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