On Tue, Nov 21, 2023 at 12:09:38AM +1000, Ronald Monthero wrote: > Dear stable maintainers, > I like to indicate the oops encountered and request the below patch to > be backported to v 5.15. The fix is important to avoid recurring oops > in context of rcu detected stalls. > > subject: rcu: Avoid tracing a few functions executed in stop machine > commit 48f8070f5dd8 > Target kernel version v 5.15 > Reason for Application: To avoid oops due to rcu_prempt detect stalls > on cpus/tasks > > Environment and oops context: Issue was observed in my environment on > 5.15.193 kernel (arm platform). The patch is helpful to avoid the > below oops indicated in [1] and [2] As the patch does not apply cleanly, we need a working and tested backport so we know to apply the correct version. Can you please provide that as you've obviously already done this? thanks, greg k-h