Re: [Xen-devel] [PATCH 2/6] xen/hvm kexec: unregister shutdown+sysrq watches during reboot

[Olaf Hering <olaf@xxxxxxxxx>]

On Thu, Jul 28, Ian Campbell wrote:

> > Are you suggesting that there have to be ways for a domU to query the
> > state of its registered watches and shut them all down during very early
> > boot?
> 
> Perhaps the xenstore protocol could be enhanced with a mechanism to
> clear all existing watches? A kernel could call that at start of day.

I poked around in the xenstore sources, there is appearently nothing
that can be used to shutdown all. Or would calling XS_RELEASE do the trick?

Olaf

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