Re: [PATCH 00/21] vfio/pci: Base support to preserve a VFIO device file across Live Update
From: Pasha Tatashin
Date: Tue Dec 02 2025 - 16:42:06 EST
> > >> FLB Retrieving
> > >>
> > >> The first patch of this series includes a fix to prevent an FLB from
> > >> being retrieved again it is finished. I am wondering if this is the
> > >> right approach or if subsystems are expected to stop calling
> > >> liveupdate_flb_get_incoming() after an FLB is finished.
> >
> > IMO once the FLB is finished, LUO should make sure it cannot be
> > retrieved, mainly so subsystem code is simpler and less bug-prone.
>
> +1, and I think Pasha is going to do that in the next version of FLB.
Yes, I will add this change in the next version of FLB; however, I
will send the next version of FLB only once list_private.h [1] is
added to linux-next, so I can replace luo_list_for_each_private() with
list_private_for_each_entry().
Pasha
[1] https://lore.kernel.org/all/20251126185725.4164769-1-pasha.tatashin@xxxxxxxxxx