linux-kernel - Re: [Qemu-devel] [PATCH 3/3] deal with guest panicked event

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Message-ID: <20120612093504.1f7e24f1@doriath.home>
Date:	Tue, 12 Jun 2012 09:35:04 -0300
From:	Luiz Capitulino <lcapitulino@...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>,
	Avi Kivity <avi@...hat.com>,
	"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: [Qemu-devel] [PATCH 3/3] deal with guest panicked event

On Tue, 12 Jun 2012 14:55:37 +0800
Wen Congyang <wency@...fujitsu.com> wrote:

> >> +static void panicked_perform_action(void)
> >> +{
> >> +    switch(panicked_action) {
> >> +    case PANICKED_REPORT:
> >> +        panicked_mon_event("report");
> >> +        break;
> >> +
> >> +    case PANICKED_PAUSE:
> >> +        panicked_mon_event("pause");
> >> +        vm_stop(RUN_STATE_GUEST_PANICKED);
> >> +        break;
> >> +
> >> +    case PANICKED_QUIT:
> >> +        panicked_mon_event("quit");
> >> +        exit(0);
> >> +        break;
> >> +    }
> > 
> > Having the data argument is not needed/wanted. The mngt app can guess it if it
> > needs to know it, but I think it doesn't want to.
> 
> Libvirt will do something when the kernel is panicked, so it should know the action
> in qemu side.

But the action will be set by libvirt itself, no?
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