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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] rcu-tasks: Defer IRQ-disabled callback enqueue to irq_work Message-ID: References: <20260713101245.3207634-1-matt@readmodwrite.com> <6f002779-3607-47d8-af61-a74eeb987e6a@paulmck-laptop> Precedence: bulk X-Mailing-List: linux-kernel@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: <6f002779-3607-47d8-af61-a74eeb987e6a@paulmck-laptop> On Tue, Jul 28, 2026 at 11:44:04AM -0700, Paul E. McKenney wrote: > > Apologies for the delay!!! No worries :) > Alternatively, please do feel free to hold off until we get the public > posting of the call_rcu() and call_srcu() deferral patch series. > It will likely provide a helper function that you can use. To your > credit, your initial definition of the irqsoff local variable within > call_rcu_tasks_generic() is what we seem to be settling on. It should > also clarify what needs to happen when a CPU goes offline with deferred > callbacks. Sure, I saw the patch series and will piggyback on top of it. Thanks, Matt