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McKenney" Cc: frederic@kernel.org, rcu@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org Subject: Re: [PATCH rcu 0/3] RCU CPU stall-warning changes for v6.13 References: 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: On Wed, Oct 09, 2024 at 11:05:02AM -0700, Paul E. McKenney wrote: > Hello! > > This series contains RCU CPU stall-warning changes for v6.13: > > 1. Delete unused rcu_gp_might_be_stalled() function. > > 2. Stop stall warning from dumping stacks if grace period ends. > > 3. Finer-grained grace-period-end checks in rcu_dump_cpu_stacks(). > Other than small nit in 2/3, Reviewed-by: Joel Fernandes (Google) I was curious if you're seeing perf or other improvements with the finer-grained rnp locking. thanks, - Joel > Thanx, Paul > > ------------------------------------------------------------------------ > > b/include/linux/rcutiny.h | 1 - > b/include/linux/rcutree.h | 1 - > b/kernel/rcu/tree_stall.h | 30 ------------------------------ > kernel/rcu/tree_stall.h | 35 ++++++++++++++++++++++------------- > 4 files changed, 22 insertions(+), 45 deletions(-) >