[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v1 05/10] libxl: synchronise configuration when we hotplug a device
On Fri, Jul 25, 2014 at 06:11:31PM +0100, Ian Jackson wrote: > Wei Liu writes ("Re: [PATCH v1 05/10] libxl: synchronise configuration when > we hotplug a device"): > > On Fri, Jul 25, 2014 at 05:06:11PM +0100, Ian Jackson wrote: > > [...] > > > I don't think this is right. At this point it may be the case that > > > the disk is already attached. > > > > What do you mean by "attched"? I don't think guest knows anything about > > that disk at this point. > > I mean, suppose I do this > xl block-attach /dev/vm/foo,,xvda > xl block-attach /dev/vm/bar,,xvda > then your code running during the second attach will remove > foo,,xvda from the json config while it remains in the domain. That's > wrong. > I see, I will do a xenstore read to determine if a device is already there. Note to self: also check other devices for this problem. Wei. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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