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

From: Frederic Weisbecker
Date: Fri Feb 12 2021 - 10:35:25 EST


On Fri, Feb 12, 2021 at 08:30:27AM -0700, Jens Axboe wrote:
> On 2/12/21 8:18 AM, Frederic Weisbecker wrote:
> > On Thu, Feb 11, 2021 at 04:48:52PM +1100, Stephen Rothwell wrote:
> >> Hi all,
> >>
> >> Today's linux-next merge of the rcu tree got conflicts in:
> >>
> >> include/linux/rcupdate.h
> >> kernel/rcu/tree.c
> >> kernel/rcu/tree_plugin.h
> >>
> >> between commits:
> >>
> >> 3a7b5c87a0b2 ("rcu/nocb: Perform deferred wake up before last idle's need_resched() check")
> >> e4234f21d2ea ("rcu: Pull deferred rcuog wake up to rcu_eqs_enter() callers")
> >> 14bbd41d5109 ("entry/kvm: Explicitly flush pending rcuog wakeup before last
> >> rescheduling point")
> >> from the block tree and commits:
> >
> > Isn't it tip:/sched/core instead of block?
>
> It must be, maybe block just got merged first?

Yeah most likely.

> It's just sched/core in a topic branch, to satisfy a dependency.
>
> But as mentioned in the previous email, I just need sched/smp to satisfy
> that dependency. So I've rebased that small topic branch with that
> pulled in instead. Won't solve the sched/core vs rcu tree conflict, but
> at least it's out of my hands now :-)

Ok, sounds good :)

Thanks.

>
> --
> Jens Axboe
>