Re: linux-next: build warning after merge of the rcu tree

From: Paul E. McKenney
Date: Thu Jan 25 2024 - 08:19:02 EST


On Thu, Jan 25, 2024 at 02:33:32PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the rcu tree, today's linux-next build (htmldocs) produced
> this warning:
>
> include/linux/hrtimer.h:199: warning: Function parameter or struct member 'online' not described in 'hrtimer_cpu_base'
>
> Introduced by commit
>
> 7525a3cbb106 ("hrtimer: Report offline hrtimer enqueue")

Apologies for the hassle, and please see the proposed fixup patch below.
Unless I hear otherwise, I will merge this into the original before the
likely start of your day.

Thanx, Paul

------------------------------------------------------------------------

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 4f2cf7309486..991c83e929b4 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -151,6 +151,7 @@ enum hrtimer_base_type {
* @hang_detected: The last hrtimer interrupt detected a hang
* @softirq_activated: displays, if the softirq is raised - update of softirq
* related settings is not required then.
+ * @online: CPU is online from an hrtimers viewpoint
* @nr_events: Total number of hrtimer interrupt events
* @nr_retries: Total number of hrtimer interrupt retries
* @nr_hangs: Total number of hrtimer interrupt hangs