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From: Paul Menzel <pmenzel@molgen.mpg.de>
To: Frederic Weisbecker <frederic@kernel.org>
Cc: "Paul E . McKenney" <paulmck@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/3] tick: Fix softirq related warnings
Date: Mon, 14 Feb 2022 06:46:59 +0100	[thread overview]
Message-ID: <bd2a0eb7-2b0b-bb45-3c58-bfce3049bb94@molgen.mpg.de> (raw)
In-Reply-To: <20220208161635.544701-1-frederic@kernel.org>

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@molgen.mpg.de>


Kind regards,

Paul

  parent reply	other threads:[~2022-02-14  5:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-08 16:16 Frederic Weisbecker
2022-02-08 16:16 ` [PATCH 1/3] tick/rcu: Remove obsolete rcu_needs_cpu() parameters Frederic Weisbecker
2022-02-08 16:16 ` [PATCH 2/3] tick/rcu: Stop allowing RCU_SOFTIRQ in idle Frederic Weisbecker
2022-02-08 16:16 ` [PATCH 3/3] lib/irq_poll: Declare IRQ_POLL softirq vector as ksoftirqd-parking safe Frederic Weisbecker
2022-02-09  0:52 ` [PATCH 0/3] tick: Fix softirq related warnings Paul E. McKenney
2022-02-14  5:46 ` Paul Menzel [this message]
2022-02-14 16:29   ` Paul E. McKenney

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