Re: [PATCH] Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"

[Andrew Morton]

On Thu, 13 Feb 2020 16:24:16 +0000 Ioanna Alifieraki <ioanna-maria.alifieraki@xxxxxxxxxxxxx> wrote:

> This patch is still not merged in mainline (sits in linux-next having lost
> 5.5 rc window and 5.6 merge window).
> Is there any reason for that? Anything else needs to be done?
> It's a simple fix and we have users that are hitting this bug.

sorry, I mistakenly thought this was unreviewed.  Shall send it to
Linus in the next batch, with a cc:stable.