linux-kernel - Re: [Qemu-devel] [PATCH 1/3] start vm after reseting it

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Date:	Wed, 13 Jun 2012 14:54:28 +0800
From:	Wen Congyang <wency@...fujitsu.com>
To:	Luiz Capitulino <lcapitulino@...hat.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 1/3] start vm after reseting it

At 05/31/2012 03:17 AM, Luiz Capitulino Wrote:
> On Mon, 21 May 2012 14:49:32 +0800
> Wen Congyang <wency@...fujitsu.com> wrote:
> 
>> The guest should run after reseting it, but it does not
>> run if its old state is RUN_STATE_INTERNAL_ERROR or RUN_STATE_PAUSED.
>>
>> Signed-off-by: Wen Congyang <wency@...fujitsu.com>
>> ---
>>  vl.c |    1 +
>>  1 files changed, 1 insertions(+), 0 deletions(-)
>>
>> diff --git a/vl.c b/vl.c
>> index 23ab3a3..7f5fed8 100644
>> --- a/vl.c
>> +++ b/vl.c
>> @@ -1539,6 +1539,7 @@ static bool main_loop_should_exit(void)
>>          if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
>>              runstate_check(RUN_STATE_SHUTDOWN)) {
>>              runstate_set(RUN_STATE_PAUSED);
>> +            vm_start();
> 
> Please, drop the runstate_set() call. I think you also have to
> to call bdrv_iostatus_reset(), as qmp_cont() does.

Hmm, if we drop the runstate_set() call here, we should update
runstate_transitions_def too.

Thanks
Wen Congyang

> 
>>          }
>>      }
>>      if (qemu_powerdown_requested()) {
> 
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