linux-kernel - Re: [PATCH -next v2 2/4] rcu/nocb: Add warning if no rcuog wake up attempt happened during overload

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Message-ID: <dab39950-569e-4363-a9ed-7e515b114f1f@nvidia.com>
Date: Mon, 19 Jan 2026 17:04:14 -0500
From: Joel Fernandes <joelagnelf@...dia.com>
To: Frederic Weisbecker <frederic@...nel.org>
Cc: linux-kernel@...r.kernel.org, "Paul E . McKenney" <paulmck@...nel.org>,
 Boqun Feng <boqun.feng@...il.com>, rcu@...r.kernel.org,
 Neeraj Upadhyay <neeraj.upadhyay@...nel.org>,
 Josh Triplett <josh@...htriplett.org>, Uladzislau Rezki <urezki@...il.com>,
 Steven Rostedt <rostedt@...dmis.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Lai Jiangshan <jiangshanlai@...il.com>, Zqiang <qiang.zhang@...ux.dev>
Subject: Re: [PATCH -next v2 2/4] rcu/nocb: Add warning if no rcuog wake up
 attempt happened during overload

On 1/16/2026 4:56 PM, Frederic Weisbecker wrote:
> Le Wed, Jan 14, 2026 at 12:31:52PM -0500, Joel Fernandes a écrit :
>> @@ -1254,6 +1262,7 @@ lazy_rcu_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
>>   			continue;
>>   		}
>>   		rcu_nocb_try_flush_bypass(rdp, jiffies);
>> +		rdp->nocb_gp_handling = true;
> 
> It should be true already, right?
> 
Yes! I will drop this hunk on respin, thanks.

  - Joel