[ANNOUNCE] v6.18.57-rt9

From: Sebastian Andrzej Siewior

Date: Tue Oct 20 2026 - 06:05:46 EST


Dear RT folks!

I'm pleased to announce the v6.18.57-rt9 patch set.

Changes since v6.18.57-rt8:

- A printk related change was merged upstream to workaround a Hyper-V
related freeze on boot. Patch by John Ogness, reported by Derek
Barbosa.

Known issues
- Yoann Congal reported a bit spinlock in dm_exception_table_lock().
https://lore.kernel.org/all/Z8GTjqgDe_5EkE3t@P-ASN-ECS-830T8C3.local

The delta patch against v6.18.57-rt8 is appended below and can be found here:

https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.18/incr/patch-6.18.57-rt8-rt9.patch.xz

You can get this release via the git tree at:

https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git v6.18.57-rt9

The RT patch against v6.18.57 can be found here:

https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.18/older/patch-6.18.57-rt9.patch.xz

The split quilt queue is available at:

https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.18/older/patches-6.18.57-rt9.tar.xz

Sebastian