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Message-ID: <45dc2f1e-112e-4973-909e-c65a387c35bf@nvidia.com>
Date: Fri, 9 May 2025 13:57:06 -0400
From: Joel Fernandes <joelagnelf@...dia.com>
To: paulmck@...nel.org, rcu@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel-team@...a.com, rostedt@...dmis.org
Subject: Re: [PATCH 0/3] Make rcutorture safe(r) for arm64
On 5/8/2025 7:42 PM, Paul E. McKenney wrote:
> 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.
>
Tested-by: Joel Fernandes <joelagnelf@...dia.com>
Applied for 6.16, thanks!
- Joel
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