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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] [PATCH 2/10] Allow the monitor to be suspended during non-blocking op |
Date: | Wed, 10 Sep 2008 08:11:33 -0500 |
User-agent: | Thunderbird 2.0.0.16 (X11/20080723) |
Daniel P. Berrange wrote:
On Tue, Sep 09, 2008 at 02:49:54PM -0500, Anthony Liguori wrote:Live migration happens in the background, but it is useful to make the monitor command appear as if it's blocking. This allows a management tool to immediately know when the live migration has completed without having to poll the migration status. This patch allows the monitor to be suspended from a monitor callback which will prevent new monitor commands from being executed.If I'm understanding this correctly, this will cause the monitor to silently drop & ignore any commands issued ?
No. It's just like if a monitor command took a really long time. Regards, Anthony Liguori
Might it be better to have it print a reply on the monitor along the lines of 'command not allowed while migrationis in progress' so people/apps interacting with the monitor understand why it is not doing what they ask it to.Daniel
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