Re: [PATCH v2 1/2] seqlock: Do the lockdep annotation before locking in do_write_seqcount_begin_nested()

From: Sebastian Andrzej Siewior
Date: Mon Jun 26 2023 - 08:48:27 EST


On 2023-06-26 13:35:39 [+0200], Michal Hocko wrote:
> Is there any reason to backport RT specific fixup to stable trees? I
> mean seriously, is there any actual memory hotplug user using
> PREEMPT_RT? I would be more than curious to hear the usecase.

There is no need for stable backports for RT-only fixes. We have
RT-stable trees for that.
The reason why we fix it in the RT-stable tree is not have something
broken that was known to work.

Sebastian