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

From: Stephen Rothwell
Date: Fri Feb 12 2021 - 21:06:05 EST


Hi all,

On Fri, 12 Feb 2021 08:30:27 -0700 Jens Axboe <axboe@xxxxxxxxx> 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? It's just sched/core in a
> topic branch, to satisfy a dependency.

Well, yes, it is a topic branch merge into the block tree. However,
that topic branch has not been merged into the tip/auto-latest branch
which is what linux-next pulls in as the tip tree. (And the tip tree
and block trees were both merged before the rcu tree.)

--
Cheers,
Stephen Rothwell

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