Re: [PATCH v2 04/24] hw/xen: don't clear map_track[] in xen_gnttab_reset()

On 19/10/2023 16:40, David Woodhouse wrote: From: David Woodhouse The refcounts actually correspond to 'active_ref' structures stored in a GHashTable per "user" on the backend side (mostly, per XenDevice). If we zero map_track[] on reset, then when the backend drivers get torn down and release

[PATCH v2 04/24] hw/xen: don't clear map_track[] in xen_gnttab_reset()

From: David Woodhouse The refcounts actually correspond to 'active_ref' structures stored in a GHashTable per "user" on the backend side (mostly, per XenDevice). If we zero map_track[] on reset, then when the backend drivers get torn down and release their mapping we hit the assert(s->map_track[