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Re: [Qemu-devel] [question] Is it, valuable to achieve modify boot index

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [question] Is it, valuable to achieve modify boot index when vm is running?
Date: Wed, 25 Jun 2014 15:29:13 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 
Il 25/06/2014 15:27, Eric Blake ha scritto:

> Qemu can not modify boot index when vm is running.

So? Boot index is used exactly once - when the domain is started. After
that, you aren't booting any more, so what benefit is there to changing
boot index on the fly?
It's also used when you reboot. However, there are currently pre-existing bugs in bootindex handling (especially regarding hotplug and hot-unplug) that should be fixed before allowing modification of boot index while the VM is running.
The command to do the modification could be qom-set. We can make the bootindex property runtime-modifiable. 

Paolo
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