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Re: [Qemu-devel] Semantics of DeviceState::realized and BlockDriverState
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] Semantics of DeviceState::realized and BlockDriverState |
Date: |
Wed, 13 Jun 2012 14:55:53 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0 |
Il 13/06/2012 14:53, Markus Armbruster ha scritto:
>> > This behavior is necessary to allow overriding backing files.
> Could you explain why we need to override backing files between open and
> attach?
Open tells us that you need a backing file.
After attach, state should be finalized.
Hence, between open and attach is the only time when you can override
backing files.
> Can you give another example of something we need to be able to do
> between open and attach?
I can't think of anything.
Paolo