[PATCH v8 00/12] PCI: liveupdate: PCI core support for Live Update

[David Matlack]

On Tue, Jul 28, 2026 at 3:10 PM David Matlack <dmatlack at google.com> wrote:
...
> Merge Plan
> ----------
>
> I propose we merge this series through liveupdate.git for 2 reasons:
>
>  1. There are some LUO core changes around how FLBs are refcounted in
>     the next branch of liveupdate.git that this series depends on.
>
>  2. We had previously agreed that the files covered by the PCI LIVE
>     UPDATE maintainer entry would be merged through the liveupdate.git
>     tree (which is the majority of this series), so this would be
>     following that process.
>
> This plan still needs to be Acked by Bjorn Helgaas as there are some PCI
> core changes in this series.
...
> David Matlack (12):
>   PCI: liveupdate: Set up FLB handler for the PCI core
>   PCI: liveupdate: Track outgoing preserved PCI devices
>   PCI: liveupdate: Track incoming preserved PCI devices
>   PCI: liveupdate: Document driver binding responsibilities
>   PCI: liveupdate: Preserve bus numbers during Live Update
>   PCI: liveupdate: Auto-preserve upstream bridges across Live Update
>   PCI: Refactor matching logic for pci_dev_acs_ops
>   PCI: liveupdate: Adopt ACS controls in incoming preserved devices
>   PCI: liveupdate: Adopt ARI Forwarding Enable on preserved bridges
>   PCI: liveupdate: Freeze preservation status during shutdown
>   PCI: liveupdate: Do not disable bus mastering on preserved devices
>     during kexec
>   Documentation: PCI: Add documentation for Live Update

Hi Bjorn,

Pasha and I discussed this series and are hoping to merge it into the
liveupdate tree by the first week of September so that it has enough
time to soak in linux-next before 7.4. I was wondering if you think
that is a reasonable plan and if you have any lingering concerns.

Thanks,
--David