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

From: Paul E. McKenney
Date: Wed Jun 24 2020 - 23:44:49 EST


On Thu, Jun 25, 2020 at 12:44:52PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the rcu tree got a conflict in:
>
> include/linux/smp.h
>
> between commit:
>
> 380dc20ce843 ("smp, irq_work: Continue smp_call_function*() and irq_work*() integration")
>
> from the tip tree and commit:
>
> 7effc6f7b465 ("EXP kernel/smp: Provide CSD lock timeout diagnostics")
>
> from the rcu tree.
>
> I have no idea how to fix this up ...

I have an interesting forward-port in my future, it seems.

> I fixed it up (I just effectively reverted the rcu tree commit) 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.

For the time being, I will move this out of my rcu/next pile.

Thanx, Paul