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[98.210.118.128]) by smtp.gmail.com with ESMTPSA id h4-v6sm32377789pgp.13.2018.09.22.16.41.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 22 Sep 2018 16:41:41 -0700 (PDT) From: "Joel Fernandes (Google)" To: linux-kernel@vger.kernel.org Cc: "Joel Fernandes (Google)" , Jonathan Corbet , Josh Triplett , Lai Jiangshan , linux-doc@vger.kernel.org, Mathieu Desnoyers , "Paul E. McKenney" , Steven Rostedt Subject: [PATCH RFC 3/3] Documentation: RCU: Fix rcu_preempt_state reference in stallwarn Date: Sat, 22 Sep 2018 19:41:27 -0400 Message-Id: <20180922234127.94970-3-joel@joelfernandes.org> X-Mailer: git-send-email 2.19.0.444.g18242da7ef-goog In-Reply-To: <20180922234127.94970-1-joel@joelfernandes.org> References: <20180922234127.94970-1-joel@joelfernandes.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org rcu_preempt_state doesn't exist anymore. Update stallwarn documentation accordingly. Signed-off-by: Joel Fernandes (Google) --- Documentation/RCU/stallwarn.txt | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/Documentation/RCU/stallwarn.txt b/Documentation/RCU/stallwarn.txt index 491043fd976f..b6bc7a2a9961 100644 --- a/Documentation/RCU/stallwarn.txt +++ b/Documentation/RCU/stallwarn.txt @@ -176,9 +176,8 @@ causing stalls, and that the stall was affecting RCU-sched. This message will normally be followed by stack dumps for each CPU. Please note that PREEMPT_RCU builds can be stalled by tasks as well as by CPUs, and that the tasks will be indicated by PID, for example, "P3421". It is even -possible for a rcu_preempt_state stall to be caused by both CPUs -and- -tasks, in which case the offending CPUs and tasks will all be called -out in the list. +possible for a rcu_state stall to be caused by both CPUs -and- tasks, +in which case the offending CPUs and tasks will all be called out in the list. CPU 2's "(3 GPs behind)" indicates that this CPU has not interacted with the RCU core for the past three grace periods. In contrast, CPU 16's "(0 -- 2.19.0.444.g18242da7ef-goog