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From: "wuqiang.matt" <wuqiang.matt@bytedance.com>
To: Frederic Weisbecker <frederic@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 09/19] lib: test_objpool: Use kthread_run_on_cpu()
Date: Wed, 14 Aug 2024 10:53:12 +0800	[thread overview]
Message-ID: <fa57bdec-0b29-4e6f-92c8-a223cdbd9ff0@bytedance.com> (raw)
In-Reply-To: <20240807160228.26206-10-frederic@kernel.org>

On 2024/8/8 00:02, Frederic Weisbecker wrote:
> Use the proper API instead of open coding it.
> 
> Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
> ---
>   lib/test_objpool.c | 19 +++++--------------
>   1 file changed, 5 insertions(+), 14 deletions(-)
> 
> diff --git a/lib/test_objpool.c b/lib/test_objpool.c
> index bfdb81599832..2c09dd91e731 100644
> --- a/lib/test_objpool.c
> +++ b/lib/test_objpool.c
> @@ -371,14 +371,10 @@ static int ot_start_sync(struct ot_test *test)
>   		if (!cpu_online(cpu))
>   			continue;
>   
> -		work = kthread_create_on_node(ot_thread_worker, item,
> -				cpu_to_node(cpu), "ot_worker_%d", cpu);
> -		if (IS_ERR(work)) {
> +		work = kthread_run_on_cpu(ot_thread_worker, item,
> +					  cpu, "ot_worker_%d");
> +		if (IS_ERR(work))
>   			pr_err("failed to create thread for cpu %d\n", cpu);
> -		} else {
> -			kthread_bind(work, cpu);
> -			wake_up_process(work);
> -		}
>   	}
>   
>   	/* wait a while to make sure all threads waiting at start line */
> @@ -562,14 +558,9 @@ static int ot_start_async(struct ot_test *test)
>   		if (!cpu_online(cpu))
>   			continue;
>   
> -		work = kthread_create_on_node(ot_thread_worker, item,
> -				cpu_to_node(cpu), "ot_worker_%d", cpu);
> -		if (IS_ERR(work)) {
> +		work = kthread_run_on_cpu(ot_thread_worker, item, cpu, "ot_worker_%d");
> +		if (IS_ERR(work))
>   			pr_err("failed to create thread for cpu %d\n", cpu);
> -		} else {
> -			kthread_bind(work, cpu);
> -			wake_up_process(work);
> -		}
>   	}
>   
>   	/* wait a while to make sure all threads waiting at start line */

Looks good to me. Thanks for the simplification.

Reviewed-by: Matt Wu <wuqiang.matt@bytedance.com>

  reply	other threads:[~2024-08-14  2:53 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-07 16:02 [PATCH 00/19] kthread: Introduce preferred affinity v2 Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 01/19] arm/bL_switcher: Use kthread_run_on_cpu() Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 02/19] x86/resctrl: " Frederic Weisbecker
2024-12-02 15:19   ` [tip: x86/cache] " tip-bot2 for Frederic Weisbecker
2024-12-13 21:02   ` tip-bot2 for Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 03/19] firmware: stratix10-svc: " Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 04/19] scsi: bnx2fc: Use kthread_create_on_cpu() Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 05/19] scsi: bnx2i: " Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 06/19] scsi: qedi: " Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 07/19] soc/qman: test: Use kthread_run_on_cpu() Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 08/19] kallsyms: " Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 09/19] lib: test_objpool: " Frederic Weisbecker
2024-08-14  2:53   ` wuqiang.matt [this message]
2024-08-07 16:02 ` [PATCH 10/19] net: pktgen: Use kthread_create_on_node() Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 11/19] kthread: Make sure kthread hasn't started while binding it Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 12/19] kthread: Default affine kthread to its preferred NUMA node Frederic Weisbecker
2024-08-07 17:01   ` Vlastimil Babka
2024-08-07 16:02 ` [PATCH 13/19] mm: Create/affine kcompactd to its preferred node Frederic Weisbecker
2024-08-07 17:02   ` Vlastimil Babka
2024-08-07 16:02 ` [PATCH 14/19] mm: Create/affine kswapd " Frederic Weisbecker
2024-08-07 17:05   ` Vlastimil Babka
2024-08-07 16:02 ` [PATCH 15/19] kthread: Implement preferred affinity Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 16/19] rcu: Use kthread preferred affinity for RCU boost Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 17/19] kthread: Unify kthread_create_on_cpu() and kthread_create_worker_on_cpu() automatic format Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 18/19] treewide: Introduce kthread_run_worker[_on_cpu]() Frederic Weisbecker
2024-08-07 16:02 ` [PATCH 19/19] rcu: Use kthread preferred affinity for RCU exp kworkers Frederic Weisbecker
2024-09-16 22:49 [PATCH 00/19] kthread: Introduce preferred affinity v3 Frederic Weisbecker
2024-09-16 22:49 ` [PATCH 09/19] lib: test_objpool: Use kthread_run_on_cpu() Frederic Weisbecker

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