Re: [Qemu-devel] [RFC PATCH 0/5] modify boot order when vm is running

[Laszlo Ersek <lersek@redhat.com>]

On 07/07/14 11:29, Michael S. Tsirkin wrote:
> On Mon, Jul 07, 2014 at 05:10:56PM +0800, arei.gonglei@huawei.com wrote:
>> From: Chenliang <chenliang88@huawei.com>
>>
>> Sometime, we want to modify boot order of vm without shutdown it.
>> This sets of patches add one qmp to achieve it. And fix some little
>> bug when device is hotpluged.
>>
>> Chenliang (5):
>>   bootindex: add *_boot_device_path function
>>   bootindex: reset bootindex when vm reset
>>   bootindex: delete boot index when device is removed
>>   bootindex: add qmp to set boot index when vm is running
>>   bootindex: fix memory leak when ppc sets boot index
> 
> Unfortunately at least for PC, boot order is exposed
> in fw cfg which can not change while guest is running.
> I suspect we need to change how we report boot order to guests.
> While we are at it, maybe we can fix the silly bootindex
> convention: I think people really want to specify boot *order*,
> not boot index.

Please preserve the "bootorder" fw_cfg file, and its format.

I don't have any request in relation to the new (== dynamic) feature ATM.

Thanks
Laszlo