Re: [PATCH v2 1/3] hvc/xen: fix event channel handling for secondary consoles

2023-10-21 Thread Greg Kroah-Hartman
On Fri, Oct 20, 2023 at 05:15:27PM +0100, David Woodhouse wrote: > From: David Woodhouse > > The xencons_connect_backend() function allocates a local interdomain > event channel with xenbus_alloc_evtchn(), then calls > bind_interdomain_evtchn_to_irq_lateeoi() to bind to that port# on the > *remot

[PATCH v2 1/3] hvc/xen: fix event channel handling for secondary consoles

2023-10-20 Thread David Woodhouse
From: David Woodhouse The xencons_connect_backend() function allocates a local interdomain event channel with xenbus_alloc_evtchn(), then calls bind_interdomain_evtchn_to_irq_lateeoi() to bind to that port# on the *remote* domain. That doesn't work very well: (qemu) device_add xen-console,id=co