Re: [PATCH 0/2] liveupdate: Small FLB fixes
From: Mike Rapoport
Date: Thu Jun 04 2026 - 01:29:10 EST
On Thu, May 28, 2026 at 05:41:38PM +0000, David Matlack wrote:
> This series has 2 small fixes to how FLBs are managed. First is to
> increase the outgoing FLB refcount during liveupdate_flb_get_outgoing()
> so it cannot be freed while the caller is using it, and to align with
> the semantics of liveupdate_flb_get_incoming(). The second is to prevent
> FLB retrieve() from being called multiple times if the first attempt
> fails.
>
> Both of these changes are needed for the correctness of the PCI core
> support for Live Update:
>
> https://lore.kernel.org/linux-pci/20260522202410.3104264-1-dmatlack@xxxxxxxxxx/
We are late in the release cycle and since there no in-tree flb users let's
postpone this after rc1.
> David Matlack (2):
> liveupdate: Reference count outgoing FLB data
> liveupdate: Remember FLB retrieve() status
>
> include/linux/liveupdate.h | 11 +++++++++--
> kernel/liveupdate/luo_flb.c | 20 ++++++++++++++------
> 2 files changed, 23 insertions(+), 8 deletions(-)
>
>
> base-commit: 5428435567cbe06c19914592fc22ca23c9ca1de5
> --
> 2.54.0.823.g6e5bcc1fc9-goog
>
--
Sincerely yours,
Mike.