From: Luca Boccassi <luca.boccassi@gmail.com>

We currently do not guarantee compatibility due to ongoing
development, so mention this explicitly in the user-facing
documentation.

Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
---
 Documentation/userspace-api/liveupdate.rst | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/userspace-api/liveupdate.rst b/Documentation/userspace-api/liveupdate.rst
index f6efc32fb40b..cdd74627ab75 100644
--- a/Documentation/userspace-api/liveupdate.rst
+++ b/Documentation/userspace-api/liveupdate.rst
@@ -14,6 +14,14 @@ ioctl uAPI
 ===========
 .. kernel-doc:: include/uapi/linux/liveupdate.h
 
+Note on Compatibility
+=====================
+
+Note that the Live Update feature is still under development and subject to
+change, so compatibility is not guaranteed when kexec rebooting between
+different kernel versions. This is expected to change and stabilize in a future
+version.
+
 Userspace Integration
 =====================
 
-- 
2.47.3

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

On Wed, 27 May 2026 16:37:12 +0100, luca.boccassi@gmail.com wrote:
> We currently do not guarantee compatibility due to ongoing
> development, so mention this explicitly in the user-facing
> documentation.

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

[1/1] liveupdate: document current compatibility status
      commit: d72c0a7b321cfe3a3cb510c599fd5e9cf3df24fc

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

--
Sincerely yours,
Mike.

On Wed, May 27 2026, luca.boccassi@gmail.com wrote:

> From: Luca Boccassi <luca.boccassi@gmail.com>
>
> We currently do not guarantee compatibility due to ongoing
> development, so mention this explicitly in the user-facing
> documentation.
>
> Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

Acked-by: Pratyush Yadav <pratyush@kernel.org>

[...]

-- 
Regards,
Pratyush Yadav