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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 4/4] xen: Fix PV-on-HVM
Il 15/05/2012 23:00, Michael S. Tsirkin ha scritto: > On Tue, May 15, 2012 at 04:26:39PM +0100, Anthony PERARD wrote: >> In the context of PV-on-HVM under Xen, the emulated nics are supposed to be >> unplug before the guest drivers are initialized. This mean that there must be >> unplug without the consent of the guest. >> >> Without this patch, the guest end up with two nics with the same MAC, the >> emulated nic and the PV nic. >> >> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx> > > OK, so on Xen there are special devices that can be safely removed > without telling the guest? Does there need to be regular hotplug for > these devices too? Or can it be always surprise removal? On Xen the PV drivers can ask the firmware to surprise-remove the emulated NICs. Of course it has to do it early enough so that the guest doesn't crash. Paolo _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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