linux-kernel - Re: [PATCH] net: hsr: Setup and delete proxy prune timer only when RedBox is enabled

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Date: Wed, 15 May 2024 09:14:48 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Lukasz Majewski <lukma@...x.de>
Cc: Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Oleksij Rempel <o.rempel@...gutronix.de>, Tristram.Ha@...rochip.com,
	Ravi Gunasekaran <r-gunasekaran@...com>,
	Simon Horman <horms@...nel.org>,
	Nikita Zhandarovich <n.zhandarovich@...tech.ru>,
	Murali Karicheri <m-karicheri2@...com>,
	Arvid Brodin <Arvid.Brodin@...n.com>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	"Ricardo B. Marliere" <ricardo@...liere.net>,
	Casper Andersson <casper.casan@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: hsr: Setup and delete proxy prune timer only when
 RedBox is enabled

On 2024-05-15 09:09:04 [+0200], Lukasz Majewski wrote:
> Hi Sebastian,
Hi Lukasz,

> My concern is only with resource allocation - when RedBox is not
> enabled the resources for this particular, not used timer are allocated
> anyway.

timer_setup() does not allocate any resources. The initialisation is
pure static assignment. The timer subsystem does not look at this timer
until mod_timer() is invoked (or something similar).

> If this can be omitted - then we can drop the patch.
> 
> Best regards,
> 
> Lukasz Majewski

Sebastian