Re: [PATCH v4 0/5] liveupdate: serialization safety and race fixes

[Mike Rapoport <rppt@kernel.org>]

On Sun, May 17, 2026 at 07:26:45PM +0000, Pasha Tatashin wrote:
> This series addresses several issues related to the synchronization
> between the reboot process and LUO session management.
> 
> Tree: git.kernel.org/pub/scm/linux/kernel/git/tatashin/linux.git Branch:
> luo-reboot-sync/v4
> 
> Pasha Tatashin (5):
>   liveupdate: skip serialization for context-preserving kexec
>   liveupdate: fix TOCTOU race in luo_session_retrieve()
>   liveupdate: block session mutations during reboot
>   liveupdate: fix u-a-f in luo_file_unpreserve_files() and
>     luo_file_finish()
>   liveupdate: Remove unused ser field from struct luo_session

Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

for the series, with a small comment in patch 3/5

>  kernel/kexec_core.c              |  8 ++++---
>  kernel/liveupdate/luo_file.c     |  5 +++--
>  kernel/liveupdate/luo_internal.h |  2 --
>  kernel/liveupdate/luo_session.c  | 38 ++++++++++++++++++++++++--------
>  4 files changed, 37 insertions(+), 16 deletions(-)
> 
> 
> base-commit: b1378127003b61930ce30064328640503ad3ef6d
> -- 
> 2.53.0

-- 
Sincerely yours,
Mike.