On Thu, May 13, 2021 at 09:53:58PM +0200, mwi...@suse.com wrote:
> From: Martin Wilck
>
> To avoid race conditions with pending RCU callbacks on exit, it's
> necessary to call rcu_barrier() in cleanup_rcu() (see
> https://lists.lttng.org/pipermail/lttng-dev/2021-May/029958.html and
> follow-ups).
From: Martin Wilck
To avoid race conditions with pending RCU callbacks on exit, it's
necessary to call rcu_barrier() in cleanup_rcu() (see
https://lists.lttng.org/pipermail/lttng-dev/2021-May/029958.html and
follow-ups).
rcu_barrier() is only available in User-space RCU v0.8 and newer.
Fix it by