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McKenney" Cc: Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Boqun Feng , Uladzislau Rezki , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Tejun Heo , Andrea Righi , rcu@vger.kernel.org, linux-kernel@vger.kernel.org, sched-ext@lists.linux.dev, stable@vger.kernel.org, kernel-team@cloudflare.com, Matt Fleming Subject: Re: [PATCH 6.18.y] rcu-tasks: Defer IRQ-disabled callback enqueue to irq_work Message-ID: References: <20260710095359.2643791-1-matt@readmodwrite.com> <886c23ff-7dca-4679-9d2b-ca499523853c@paulmck-laptop> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <886c23ff-7dca-4679-9d2b-ca499523853c@paulmck-laptop> On Fri, Jul 10, 2026 at 11:16:27AM -0700, Paul E. McKenney wrote: > > This does look plausible, thank you! However, it does not apply cleanly > to either current mainline or my -rcu tree. > > Judging from the subject line, this is against v6.18 rather than current > mainline, correct? If so, would you be willing to forward-port it? Yeah, my bad. Since the SRCU code in mainline fixed the original deadlock I reported I kept this to 6.18. But I'm happy to forward port this patch too. Thanks, Matt