Re: [Xen-devel] [RFC][PATCH 12/13] Kemari: use signal to save qemu state for Kemari

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Yoshiaki Tamura wrote:

> This patch implements signal handler for saving QEMU status quickly.  It also
> includes a feature borrowed from KVM-17, which saves QEMU status quickly
> without repositioning file offset by fseek.

We got rid of the signal interface not so long ago because it doesn't
work for stubdoms.

The new way of asking qemu to save the VM state is writing a command on
xenstore (look at xenstore.c:xenstore_process_dm_command_event).
Would that work for you?

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