netdev - Re: [PATCH v4 net 2/3] net: Fix dev_net(dev) race in unregister_netdevice_notifier_dev

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Message-ID: <20250215093024.11328-1-kuniyu@amazon.com>
Date: Sat, 15 Feb 2025 18:30:24 +0900
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: <kuba@...nel.org>
CC: <davem@...emloft.net>, <edumazet@...gle.com>, <horms@...nel.org>,
	<kuni1840@...il.com>, <kuniyu@...zon.com>, <netdev@...r.kernel.org>,
	<pabeni@...hat.com>, <ychemla@...dia.com>
Subject: Re: [PATCH v4 net 2/3] net: Fix dev_net(dev) race in unregister_netdevice_notifier_dev_net().

From: Jakub Kicinski <kuba@...nel.org>
Date: Fri, 14 Feb 2025 13:08:27 -0800
> On Fri, 14 Feb 2025 09:25:57 +0900 Kuniyuki Iwashima wrote:
> > > Is there a plan to clean this up in net-next? Or perhaps after Eric's
> > > dev_net() work? Otherwise I'm tempted to suggest to use a loop, maybe:  
> > 
> > For sure, I will post a followup patch to net-next.
> 
> Sorry, I meant that as distinct alternatives :)
> The loop we can do already in net.
> The question about net-next was more in case you're planning to rewrite
> this entire function anyway, in which case the contents which land in
> net are not as important.
> 
> Does that make sense?

Ah I see.
I didn't have the plan so will post v5 with the simple loop.

Thanks!