Re: [Xen-devel] [PATCH v2] tools/hotplug: Don't ever kill xenstored

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-02-24 at 11:45 +0000, Wei Liu wrote:
> On Tue, Feb 24, 2015 at 08:05:50AM +0000, Ross Lagerwall wrote:
> > Don't kill xenstored as part of the usual service shutdown process to
> > prevent hangs on shutdown where the kernel tries to unplug a VIF
> > after xenstored has exited.
> > 
> > In an ideal case with all guests cooperating, xendomains will have shut
> > down all guests before xenstored is killed.
> > 
> > However in the uncooperative case, malicious or crashed guests may still
> > be running after xendomains has exited and this should not block the
> > shutdown/reboot of dom0.
> > 
> > Xenstored has no state to sync to disk, and never used to be killed in
> > the sysvinit case; observe the warning in xencommons.  Our testing has
> > shown regressions caused by the change in behaviour between sysvinit and
> > systemd when it comes to killing xenstored.
> > 
> > Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
> 
> Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Thanks. I added "systemd: " to the subject and applied.



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