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.
>
These I will take for 6.16 and run some tests, since we're seeing these issues
on ARM. But let me know if you want to delay to 6.17. Thanks!
