Re: linux-next: manual merge of the rcu tree with the printk tree

From: Paul E. McKenney
Date: Wed Nov 30 2022 - 19:00:04 EST


On Thu, Dec 01, 2022 at 10:55:04AM +1100, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the rcu tree got a conflict in:
>
> kernel/rcu/update.c
>
> between commit:
>
> 64e838679e14 ("rcu: Make SRCU mandatory")
>
> from the printk tree and commit:
>
> 0cd7e350abc4 ("rcu: Make SRCU mandatory")
>
> from the rcu tree.
>
> I fixed it up (I just used the latter - it kept the WARN_ON_ONCE) and
> can carry the fix as necessary. This is now fixed as far as linux-next
> is concerned, but any non trivial conflicts should be mentioned to your
> upstream maintainer when your tree is submitted for merging. You may
> also want to consider cooperating with the maintainer of the conflicting
> tree to minimise any particularly complex conflicts.
>
> Maybe you could share a (non rebasing) topic branch?

Please accept my apologies for the hassle!

We are sharing a topic branch, but it recently changed and was therefore
rebased. You saw -rcu providing the updated version to -next, but what
with timezones and all, printk() is still providing the old one.

With a little luck, this will straighten itself out soon.

Thanx, Paul