This is a note to let you know that I've just added the patch titled rcu: Fix rcu_torture_read ftrace event to the 6.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rcu-fix-rcu_torture_read-ftrace-event.patch and it can be found in the queue-6.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From d18a04157fc171fd48075e3dc96471bd3b87f0dd Mon Sep 17 00:00:00 2001 From: Douglas Raillard <douglas.raillard@xxxxxxx> Date: Mon, 6 Mar 2023 12:27:43 +0000 Subject: rcu: Fix rcu_torture_read ftrace event From: Douglas Raillard <douglas.raillard@xxxxxxx> commit d18a04157fc171fd48075e3dc96471bd3b87f0dd upstream. Fix the rcutorturename field so that its size is correctly reported in the text format embedded in trace.dat files. As it stands, it is reported as being of size 1: field:char rcutorturename[8]; offset:8; size:1; signed:0; Signed-off-by: Douglas Raillard <douglas.raillard@xxxxxxx> Reviewed-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Fixes: 04ae87a52074e ("ftrace: Rework event_create_dir()") Reviewed-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> [ boqun: Add "Cc" and "Fixes" tags per Steven ] Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/trace/events/rcu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -768,7 +768,7 @@ TRACE_EVENT_RCU(rcu_torture_read, TP_ARGS(rcutorturename, rhp, secs, c_old, c), TP_STRUCT__entry( - __field(char, rcutorturename[RCUTORTURENAME_LEN]) + __array(char, rcutorturename, RCUTORTURENAME_LEN) __field(struct rcu_head *, rhp) __field(unsigned long, secs) __field(unsigned long, c_old) Patches currently in stable-queue which might be from douglas.raillard@xxxxxxx are queue-6.2/rcu-fix-rcu_torture_read-ftrace-event.patch