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Re: [Qemu-devel] Question about RAM migration flags
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From: |
ChenLiang |
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Subject: |
Re: [Qemu-devel] Question about RAM migration flags |
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Date: |
Fri, 9 May 2014 10:39:44 +0800 |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1 |
On 2014/5/9 7:08, Peter Lieven wrote:
> Hi,
>
> while working on ram migration and reading through the code I realized that
> qemu does not stop loading a saved VM or rejecting an incoming migration
> if there is a flag in the stream that it does not understand. An unknown flag
> is simply ignored.
>
> In the block migration code there is a catch at the end complaining about
> unknown flags, but in RAM migration there isn't.
>
> Is this on purpose or an error?
>
> Peter
>
>
>
IMO, the flag in ram_load always is correct if the code of ram_save is correct.
Of course, it will be much rubost to do it as block migration.