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McKenney" To: Steven Rostedt Cc: Masami Hiramatsu , LKML , Linux Trace Kernel , Andrew Morton , Mathieu Desnoyers Subject: Re: [PATCH] tracing: Do not synchronize freeing of trigger filter on boot up Message-ID: <20221218002903.GM4001@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org References: <20221215100241.73a30da8@gandalf.local.home> <20221215170256.GG4001@paulmck-ThinkPad-P17-Gen-1> <20221215135102.556ee076@gandalf.local.home> <20221215190158.GK4001@paulmck-ThinkPad-P17-Gen-1> <20221215173913.5432bfbf@gandalf.local.home> <20221215231027.GS4001@paulmck-ThinkPad-P17-Gen-1> <20221215184202.7ebb3055@gandalf.local.home> <20221216010118.GU4001@paulmck-ThinkPad-P17-Gen-1> <20221216044022.GA2467686@paulmck-ThinkPad-P17-Gen-1> <20221216060810.4e541bc4@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221216060810.4e541bc4@gandalf.local.home> X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 16, 2022 at 06:08:10AM -0500, Steven Rostedt wrote: > On Thu, 15 Dec 2022 20:40:22 -0800 > "Paul E. McKenney" wrote: > > > On Thu, Dec 15, 2022 at 05:01:18PM -0800, Paul E. McKenney wrote: > > > On Thu, Dec 15, 2022 at 06:42:02PM -0500, Steven Rostedt wrote: > > > > On Thu, 15 Dec 2022 15:10:27 -0800 > > > > "Paul E. McKenney" wrote: > > > > > > > > > The nice thing about the current placement of rcu_scheduler_starting() > > > > > is that there is not yet any other task to switch to. ;-) > > > > > > > > Fair enough. Anyway the last patch appears to do the job. > > > > > > > > Reported-by: Steven Rostedt (Google) > > > > Tested-by: Steven Rostedt (Google) > > > > > > Applied, thank you! > > > > And I should have checked up on urgency. Normal process would hold this > > one until the v6.3 merge window, but please let me know if you would > > like it in v6.2. It is after all a bug fix. > > > > Yes, any fix that fixes a lockdep splat is considered urgent and should be > pushed ASAP. As it makes finding other lockdep splats more difficult (as > the first splat shuts down lockdep). > > Please send this during the merge window, as I have to carry it internally > until it makes it into mainline. This is now rebased and marked with tag rcu-urgent.2022.12.17a. If testing goes well, I will send it by the middle of next week. Thanx, Paul