linux-kernel - Re: [PATCH] rcu: Reduce synchronize_rcu() delays when all wait heads are in use

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Message-ID: <ZfI1OOm4+GbyYUYs@lothringen>
Date: Thu, 14 Mar 2024 00:22:32 +0100
From: Frederic Weisbecker <frederic@...nel.org>
To: Neeraj Upadhyay <Neeraj.Upadhyay@....com>
Cc: paulmck@...nel.org, joel@...lfernandes.org, josh@...htriplett.org,
	boqun.feng@...il.com, rostedt@...dmis.org,
	mathieu.desnoyers@...icios.com, jiangshanlai@...il.com,
	qiang.zhang1211@...il.com, rcu@...r.kernel.org,
	linux-kernel@...r.kernel.org, neeraj.upadhyay@...nel.org
Subject: Re: [PATCH] rcu: Reduce synchronize_rcu() delays when all wait heads
 are in use

On Wed, Mar 13, 2024 at 11:19:08PM +0530, Neeraj Upadhyay wrote:
> Missed one point. We will continue initiating new GP until first node cb
> is processed, which can happen when a wait head becomes available.

Ah yes, I missed that indeed. Ok that seem to make sense.