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Date: Mon, 20 Jul 2026 17:39:26 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-atm-general@lists.sourceforge.net, linux-can@vger.kernel.org,
 linux-sctp@vger.kernel.org, netdev@vger.kernel.org, "David S. Miller"
 <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Herbert Xu
 <herbert@gondor.apana.org.au>, Kuniyuki Iwashima <kuniyu@google.com>, Marc
 Kleine-Budde <mkl@pengutronix.de>, Marcelo Ricardo Leitner
 <marcelo.leitner@gmail.com>, Neal Cardwell <ncardwell@google.com>, Oliver
 Hartkopp <socketcan@hartkopp.net>, Paolo Abeni <pabeni@redhat.com>, Remi
 Denis-Courmont <courmisch@gmail.com>, Simon Horman <horms@kernel.org>,
 Steffen Klassert <steffen.klassert@secunet.com>, Willem de Bruijn
 <willemdebruijn.kernel@gmail.com>, Xin Long <lucien.xin@gmail.com>, Petr
 Mladek <pmladek@suse.com>, Thomas =?UTF-8?B?V2Vpw59zY2h1aA==?=
 <thomas.weissschuh@linutronix.de>, Kees Cook <kees@kernel.org>
Subject: Re: [PATCH net-next] net: Convert %pK back to %p
Message-ID: <20260720173926.766b2ddd@kernel.org>
In-Reply-To: <20260706073824.xixrLxoD@linutronix.de>
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On Mon, 6 Jul 2026 09:38:24 +0200 Sebastian Andrzej Siewior wrote:
> This is a revert of commit 71338aa7d050c ("net: convert %p usage to
> %pK") which is from 2011. Back then the default behaviour for %p was to
> print the pointer. The %pK modifier was introduced to be able to control
> the behaviour of specific pointer output without changing the behaviour
> of %p for everyone. It was dedicated to avoid leaking pointers via
> /proc.
> There was also the idea to remove the check from formatting the string
> and move to the open callback (of the /proc file) with some helpers but
> this did not happen.

The netdev patch queue has overflown.
If these patches are still relevant you'll have to repost them.