linux-kernel - Re: [PATCH 0/2 v3] kvm: notify host when guest panicked

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Date:	Thu, 08 Mar 2012 13:13:02 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Wen Congyang <wency@...fujitsu.com>
CC:	kvm list <kvm@...r.kernel.org>, qemu-devel <qemu-devel@...gnu.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Daniel P. Berrange" <berrange@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Gleb Natapov <gleb@...hat.com>
Subject: Re: [PATCH 0/2 v3] kvm: notify host when guest panicked

On 03/08/2012 09:57 AM, Wen Congyang wrote:
> We can know the guest is paniced when the guest runs on xen.
> But we do not have such feature on kvm.
>
> Another purpose of this feature is: management app(for example:
> libvirt) can do auto dump when the guest is crashed. If management
> app does not do auto dump, the guest's user can do dump by hand if
> he sees the guest is paniced.
>
> I touch the hypervisor instead of using virtio-serial, because
> 1. it is simple
> 2. the virtio-serial is an optional device, and the guest may
>    not have such device.
>
> Changes from v2 to v3:
> 1. correct spelling
>
> Changes from v1 to v2:
> 1. split up host and guest-side changes
> 2. introduce new request flag to avoid changing return values.

I see no Documentation/ changes.

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

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