[PATCH v6 0/5] liveupdate: serialization safety and race fixes

[Mike Rapoport]

From: Mike Rapoport (Microsoft) <rppt at kernel.org>

On Wed, 27 May 2026 20:27:32 +0000, Pasha Tatashin wrote:
> This series addresses several issues related to the synchronization
> between the reboot process and LUO session management.
> 
> 1. Skip LUO serialization for context-preserving kexec: A
> preserve_context kexec returns to the current kernel, which is unrelated
> to live update where state is passed to the next kernel. Skipping
> serialization avoids unnecessary work and prevents sessions from being
> left in a frozen state upon return.
> 
> [...]

Applied to next branch of liveupdate/linux.git tree, thanks!

[1/5] liveupdate: skip serialization for context-preserving kexec
      commit: ef4448795cf193b2828019978d872bc0d301abe4
[2/5] liveupdate: fix TOCTOU race in luo_session_retrieve()
      commit: aedeca39112a2bee13e54097fbb98896010f375f
[3/5] liveupdate: block session mutations during reboot
      commit: 6f070471ce4fc9084165b77bfd7457ef85dc8c8c
[4/5] liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()
      commit: 051c2ed7b42077c511654261f5efb52ab368817f
[5/5] liveupdate: Remove unused ser field from struct luo_session
      commit: 5428435567cbe06c19914592fc22ca23c9ca1de5

tree: https://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux
branch: next

--
Sincerely yours,
Mike.