Re: [PATCH 0/3] tick: Fix softirq related warnings

[Paul Menzel]

Dear Frederic,


Am 08.02.22 um 17:16 schrieb Frederic Weisbecker:
> Some cleanups and debug rework.
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> 	timers/core
>
> HEAD: 18b00369d58da4c73946d5f8ebed8e8c7ade89e2
>
> Thanks,
> 	Frederic
> ---
>
> Frederic Weisbecker (3):
>        tick/rcu: Remove obsolete rcu_needs_cpu() parameters
>        tick/rcu: Stop allowing RCU_SOFTIRQ in idle
>        lib/irq_poll: Declare IRQ_POLL softirq vector as ksoftirqd-parking safe
>
>
>   include/linux/interrupt.h | 11 ++++++++-
>   include/linux/rcutiny.h   |  3 +--
>   include/linux/rcutree.h   |  2 +-
>   kernel/rcu/tree.c         |  3 +--
>   kernel/time/tick-sched.c  | 60 ++++++++++++++++++++++++++++++++++-------------
>   5 files changed, 57 insertions(+), 22 deletions(-)

I tested this series on the IBM S822LC with Ubuntu 20.10 and rcu/dev 
(commit 0ba8896d2fd7 (lib/irq_poll: Declare IRQ_POLL softirq vector as 
ksoftirqd-parking safe)). Running `sudo ppc64_cpu --smt=off` the 
warnings are gone.

Tested-by: Paul Menzel <pmenzel@xxxxxxxxxxxxx>


Kind regards,

Paul