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From: Wen Congyang <wency@cn.fujitsu.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm list <kvm@vger.kernel.org>,
	qemu-devel <qemu-devel@nongnu.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Avi Kivity <avi@redhat.com>,
	"Daniel P. Berrange" <berrange@redhat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Gleb Natapov <gleb@redhat.com>
Subject: Re: [PATCH 3/3] deal with guest panicked event
Date: Wed, 13 Jun 2012 15:02:56 +0800	[thread overview]
Message-ID: <4FD83B20.9060203@cn.fujitsu.com> (raw)
In-Reply-To: <4FD74447.2090906@redhat.com>

At 06/12/2012 09:29 PM, Paolo Bonzini Wrote:
> Il 21/05/2012 08:50, Wen Congyang ha scritto:
>> +DEF("onpanic", HAS_ARG, QEMU_OPTION_onpanic, \
>> +    "-onpanic report|pause|quit\n" \
>> +    "                action when the guest is panicked [default=report]",
>> +    QEMU_ARCH_ALL)
>> +STEXI
>> +@item -onpanic @var{action}
>> +
>> +The @var{action} controls what QEmu will do when the guest is panicked.
>> +The default is @code{report} (emit QEVENT_GUEST_PANICKED only).
> 
> -watchdog-action just calls this "none".

Yes, I will change the action name.

> 
>> +Other possible actions are:
>> +@code{pause} (emit QEVENT_GUEST_PANICKED and pause VM),
>> +@code{quit} (emit QEVENT_GUEST_PANICKED and quit VM).
> 
> Rather than just "quit", there should be choices for "shutdown",
> "poweroff" and "reset" for consistency with -watchdog-action.

Hmm, quit means poweroff. I will add reset, but I think we donot
need shutdown, because we cannot shutdown the system when it is
panicked.

> 
> Also, this option should also be accessible from "-machine", please.

I don't understand this. Do you mean we can also specify this action
in -machine option?

Thanks
Wen Congyang

> 
> Paolo
> 
>> +ETEXI
>> +
>>  HXCOMM This is the last statement. Insert new options before this line!
>>  STEXI
>>  @end table
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
> 

WARNING: multiple messages have this Message-ID (diff)
From: Wen Congyang <wency@cn.fujitsu.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>, kvm list <kvm@vger.kernel.org>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	qemu-devel <qemu-devel@nongnu.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Avi Kivity <avi@redhat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [Qemu-devel] [PATCH 3/3] deal with guest panicked event
Date: Wed, 13 Jun 2012 15:02:56 +0800	[thread overview]
Message-ID: <4FD83B20.9060203@cn.fujitsu.com> (raw)
In-Reply-To: <4FD74447.2090906@redhat.com>

At 06/12/2012 09:29 PM, Paolo Bonzini Wrote:
> Il 21/05/2012 08:50, Wen Congyang ha scritto:
>> +DEF("onpanic", HAS_ARG, QEMU_OPTION_onpanic, \
>> +    "-onpanic report|pause|quit\n" \
>> +    "                action when the guest is panicked [default=report]",
>> +    QEMU_ARCH_ALL)
>> +STEXI
>> +@item -onpanic @var{action}
>> +
>> +The @var{action} controls what QEmu will do when the guest is panicked.
>> +The default is @code{report} (emit QEVENT_GUEST_PANICKED only).
> 
> -watchdog-action just calls this "none".

Yes, I will change the action name.

> 
>> +Other possible actions are:
>> +@code{pause} (emit QEVENT_GUEST_PANICKED and pause VM),
>> +@code{quit} (emit QEVENT_GUEST_PANICKED and quit VM).
> 
> Rather than just "quit", there should be choices for "shutdown",
> "poweroff" and "reset" for consistency with -watchdog-action.

Hmm, quit means poweroff. I will add reset, but I think we donot
need shutdown, because we cannot shutdown the system when it is
panicked.

> 
> Also, this option should also be accessible from "-machine", please.

I don't understand this. Do you mean we can also specify this action
in -machine option?

Thanks
Wen Congyang

> 
> Paolo
> 
>> +ETEXI
>> +
>>  HXCOMM This is the last statement. Insert new options before this line!
>>  STEXI
>>  @end table
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
> 

  reply	other threads:[~2012-06-13  7:02 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-21  6:46 [PATCH] kvm: notify host when guest panicked Wen Congyang
2012-05-21  6:46 ` [Qemu-devel] " Wen Congyang
2012-05-21  6:49 ` [PATCH 1/3] start vm after reseting it Wen Congyang
2012-05-21  6:49   ` [Qemu-devel] " Wen Congyang
2012-05-30 19:17   ` Luiz Capitulino
2012-05-30 19:17     ` [Qemu-devel] " Luiz Capitulino
2012-06-12  7:23     ` Wen Congyang
2012-06-12  7:23       ` Wen Congyang
2012-06-13  6:54     ` Wen Congyang
2012-06-13  6:54       ` [Qemu-devel] " Wen Congyang
2012-06-13  6:54       ` Wen Congyang
2012-05-21  6:50 ` [PATCH 2/3] update linux headers Wen Congyang
2012-05-21  6:50   ` [Qemu-devel] " Wen Congyang
2012-05-21  6:50 ` [PATCH 3/3] deal with guest panicked event Wen Congyang
2012-05-21  6:50   ` [Qemu-devel] " Wen Congyang
2012-05-22 11:32   ` Jan Kiszka
2012-05-22 11:32     ` [Qemu-devel] " Jan Kiszka
2012-05-22 11:32     ` Jan Kiszka
2012-05-30 19:23   ` Luiz Capitulino
2012-05-30 19:23     ` [Qemu-devel] " Luiz Capitulino
2012-06-12  6:55     ` Wen Congyang
2012-06-12  6:55       ` Wen Congyang
2012-06-12 12:35       ` Luiz Capitulino
2012-06-12 12:35         ` Luiz Capitulino
2012-06-12 12:40         ` Daniel P. Berrange
2012-06-12 12:40           ` Daniel P. Berrange
2012-06-12 13:21           ` Luiz Capitulino
2012-06-12 13:21             ` Luiz Capitulino
2012-06-12 13:29   ` Paolo Bonzini
2012-06-12 13:29     ` [Qemu-devel] " Paolo Bonzini
2012-06-13  7:02     ` Wen Congyang [this message]
2012-06-13  7:02       ` Wen Congyang
2012-06-13  7:53       ` Paolo Bonzini
2012-06-13  7:53         ` [Qemu-devel] " Paolo Bonzini
2012-06-13  7:53         ` Paolo Bonzini
2012-06-13  8:00         ` Wen Congyang
2012-06-13  8:00           ` [Qemu-devel] " Wen Congyang
2012-06-13  8:00           ` Wen Congyang
2012-06-12  6:47 ` [PATCH] kvm: notify host when guest panicked Wen Congyang
2012-06-12  6:47   ` [Qemu-devel] " Wen Congyang
2012-06-12  7:49   ` Christian Borntraeger
2012-06-12  7:49     ` [Qemu-devel] " Christian Borntraeger
2012-06-12  8:07     ` Wen Congyang
2012-06-12  8:07       ` [Qemu-devel] " Wen Congyang
2012-06-12  8:26     ` Wen Congyang
2012-06-12  8:26       ` [Qemu-devel] " Wen Congyang
2012-06-12  8:26       ` Wen Congyang
2012-06-12  9:49       ` Gleb Natapov
2012-06-12  9:49         ` [Qemu-devel] " Gleb Natapov
2012-06-12  9:49         ` Gleb Natapov

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