Re: [PATCH v3 00/24] vfio/pci: Base Live Update support for VFIO device files

[David Matlack]

On Mon, Mar 23, 2026 at 4:58 PM David Matlack <dmatlack@xxxxxxxxxx> wrote:
>
> This series can be found on GitHub:
>
>   https://github.com/dmatlack/linux/tree/liveupdate/vfio/cdev/v3
>
> This series adds the base support to preserve a VFIO device file across
> a Live Update. "Base support" means that this allows userspace to
> safely preserve a VFIO device file with LIVEUPDATE_SESSION_PRESERVE_FD
> and retrieve it with  LIVEUPDATE_SESSION_RETRIEVE_FD, but the device
> itself is not preserved in a fully running state across Live Update.

Apologies for the large number of people who got added to the CC list
on this version of the patchset. The changes to
Documentation/admin-guide/kernel-parameters.txt in patch 4 caused
scripts/get_maintainer.pl to CC a number of additional people due to
--git-fallback. I'll fix that in the next version.