On Tue, 2023-10-24 at 16:44 +0100, Paul Durrant wrote: > On 19/10/2023 16:40, David Woodhouse wrote: > > From: David Woodhouse <dwmw@xxxxxxxxxxxx> > > > > On soft reset, the prinary console event channel needs to be rebound to > > the backend port (in the xen-console driver). We could put that into the > > xen-console driver itself, but it's slightly less ugly to keep it within > > the KVM/Xen code, by stashing the backend port# on event channel reset > > and then rebinding in the primary console reset when it has to recreate > > the guest port anyway. > > Does Xen re-bind the primary console on EVTCHNOP_reset? That's news to > me. I go check. I spent an unhapp hour trying to work out how Xen actually does any of this :) In the short term I'm more interested in having soft reset work, than an explicit EVTCHNOP_reset. And I can't work out *how*, but we do seem to have console again after a kexec in real Xen.
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