linux-kernel - Re: [PATCH] ieee802154: ca8210: Drop spurious WQ_UNBOUND from alloc_ordered

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Message-ID: <f0280912-6423-494f-8d61-28216551ebb9@datenfreihafen.org>
Date: Mon, 26 Feb 2024 22:00:07 +0100
From: Stefan Schmidt <stefan@...enfreihafen.org>
To: Tejun Heo <tj@...nel.org>, Alexander Aring <alex.aring@...il.com>,
 Miquel Raynal <miquel.raynal@...tlin.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: linux-wpan@...r.kernel.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ieee802154: ca8210: Drop spurious WQ_UNBOUND from
 alloc_ordered_workqueue() call

Hello,

On 06.02.24 00:53, Tejun Heo wrote:
> Workqueue is in the process of cleaning up the distinction between unbound
> workqueues w/ @nr_active==1 and ordered workqueues. Explicit WQ_UNBOUND
> isn't needed for alloc_ordered_workqueue() and will trigger a warning in the
> future. Let's remove it. This doesn't cause any functional changes.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> ---
>   drivers/net/ieee802154/ca8210.c |   10 ++--------
>   1 file changed, 2 insertions(+), 8 deletions(-)
> 
> --- a/drivers/net/ieee802154/ca8210.c
> +++ b/drivers/net/ieee802154/ca8210.c
> @@ -2857,19 +2857,13 @@ static int ca8210_interrupt_init(struct
>    */
>   static int ca8210_dev_com_init(struct ca8210_priv *priv)
>   {
> -	priv->mlme_workqueue = alloc_ordered_workqueue(
> -		"MLME work queue",
> -		WQ_UNBOUND
> -	);
> +	priv->mlme_workqueue = alloc_ordered_workqueue("MLME work queue", 0);
>   	if (!priv->mlme_workqueue) {
>   		dev_crit(&priv->spi->dev, "alloc of mlme_workqueue failed!\n");
>   		return -ENOMEM;
>   	}
>   
> -	priv->irq_workqueue = alloc_ordered_workqueue(
> -		"ca8210 irq worker",
> -		WQ_UNBOUND
> -	);
> +	priv->irq_workqueue = alloc_ordered_workqueue("ca8210 irq worker", 0);
>   	if (!priv->irq_workqueue) {
>   		dev_crit(&priv->spi->dev, "alloc of irq_workqueue failed!\n");
>   		destroy_workqueue(priv->mlme_workqueue);

This patch has been applied to the wpan-next tree and will be
part of the next pull request to net-next. Thanks!

regards
Stefan Schmidt