[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH net-next v4] Don't destroy the netdev until the vif is shut down
> -----Original Message----- > From: David Miller [mailto:davem@xxxxxxxxxxxxx] > Sent: 19 September 2013 19:05 > To: Paul Durrant > Cc: xen-devel@xxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; David Vrabel; Wei Liu; > Ian Campbell > Subject: Re: [PATCH net-next v4] Don't destroy the netdev until the vif is > shut down > > From: Paul Durrant <paul.durrant@xxxxxxxxxx> > Date: Tue, 17 Sep 2013 17:46:08 +0100 > > > Without this patch, if a frontend cycles through states Closing > > and Closed (which Windows frontends need to do) then the netdev > > will be destroyed and requires re-invocation of hotplug scripts > > to restore state before the frontend can move to Connected. Thus > > when udev is not in use the backend gets stuck in InitWait. > > > > With this patch, the netdev is left alone whilst the backend is > > still online and is only de-registered and freed just prior to > > destroying the vif (which is also nicely symmetrical with the > > netdev allocation and registration being done during probe) so > > no re-invocation of hotplug scripts is required. > > > > Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx> > > I think all of the testing requests have been satisfied so I have > applied this. > > But _please_ write a more proper subject line in future patch > submissions. You have to provide a subsystem prefix in the > subject line, here I added "xen-netback: ", otherwise someone > skimming the shortlog has no idea what area of code this change > touches. > Ok. Will do. Thanks, Paul _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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