linux-kernel - [PATCH 0/3] Make rcutorture safe(r) for arm64

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Message-ID: <da86a280-f402-499f-a4ba-df626ca4c748@paulmck-laptop>
Date: Thu, 8 May 2025 16:42:22 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: rcu@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel-team@...a.com, rostedt@...dmis.org
Subject: [PATCH 0/3] Make rcutorture safe(r) for arm64

Hello!

This series makes a few small updates to make rcutorture run better
on arm64 servers.  Remaining issues include TREE07 .config issues
that are addressed by Mark Rutland's porting of PREEMPT_LAZY to arm64
and by upcoming work to handle the fact that arm64 kernels cannot be
built with CONFIG_SMP=n.  In the meantime, the CONFIG_SMP=n issue can
be worked around by explictly specifying the TREE01, TREE02, TREE03,
TREE04, TREE05, TREE07, SRCU-L, SRCU-N, SRCU-P, TASKS01, TASKS03, RUDE01,
TRACE01, and TRACE02 scenarios, preferably in a script.  (But if you
want typing practice, don't let me stand in your way!)

1.	Check for "Call trace:" as well as "Call Trace:".

2.	Reduce TREE01 CPU overcommit.

3.	Remove MAXSMP and CPUMASK_OFFSTACK from TREE01.

						Thanx, Paul

------------------------------------------------------------------------

 bin/console-badness.sh  |    2 +-
 bin/parse-console.sh    |    2 +-
 configs/rcu/TREE01      |    2 --
 configs/rcu/TREE01.boot |    2 +-
 4 files changed, 3 insertions(+), 5 deletions(-)