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From: Breno Leitao <leitao@debian.org>
To: John Ogness <john.ogness@linutronix.de>, pmladek@suse.com
Cc: Andrew Lunn <andrew+netdev@lunn.ch>,
	 "David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	 Jakub Kicinski <kuba@kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	pmladek@suse.com,
	 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	 Sergey Senozhatsky <senozhatsky@chromium.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	 netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	asantostc@gmail.com, efault@gmx.de,  gustavold@gmail.com,
	calvin@wbinvd.org, jv@jvosburgh.net, mpdesouza@suse.com,
	 kernel-team@meta.com
Subject: Re: [PATCH net-next v5 1/4] printk: Add execution context (task name/CPU) to printk_info
Date: Fri, 30 Jan 2026 01:01:11 -0800	[thread overview]
Message-ID: <aXxy7usBz1-TTkVB@gmail.com> (raw)
In-Reply-To: <87ikcllrxz.fsf@jogness.linutronix.de>

On Wed, Jan 28, 2026 at 03:48:16PM +0106, John Ogness wrote:
> On 2026-01-28, Breno Leitao <leitao@debian.org> wrote:
> > Extend struct printk_info to include the task name, pid, and CPU
> > number where printk messages originate. This information is captured
> > at vprintk_store() time and propagated through printk_message to
> > nbcon_write_context, making it available to nbcon console drivers.
> >
> > This is useful for consoles like netconsole that want to include
> > execution context in their output, allowing correlation of messages
> > with specific tasks and CPUs regardless of where the console driver
> > actually runs.
> >
> > The feature is controlled by CONFIG_PRINTK_EXECUTION_CTX, which is
> > automatically selected by CONFIG_NETCONSOLE_DYNAMIC. When disabled,
> > the helper functions compile to no-ops with no overhead.
> >
> > Suggested-by: John Ogness <john.ogness@linutronix.de>
> > Signed-off-by: Breno Leitao <leitao@debian.org>
> > Signed-off-by: Petr Mladek <pmladek@suse.com>
> 
> Reviewed-by: John Ogness <john.ogness@linutronix.de>

Thank you for the review. To confirm, it is acceptable to queue this for
the next netdev version, isn't it?

  reply	other threads:[~2026-01-30  9:01 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-28 14:17 [PATCH net-next v5 0/4] net: netconsole: convert to NBCON console infrastructure Breno Leitao
2026-01-28 14:17 ` [PATCH net-next v5 1/4] printk: Add execution context (task name/CPU) to printk_info Breno Leitao
2026-01-28 14:42   ` John Ogness
2026-01-30  9:01     ` Breno Leitao [this message]
2026-01-30  9:19       ` Petr Mladek
2026-01-30  9:20       ` John Ogness
2026-01-31  1:32   ` Jakub Kicinski
2026-02-02 11:49     ` Breno Leitao
2026-02-03  0:23       ` Jakub Kicinski
2026-01-28 14:17 ` [PATCH net-next v5 2/4] netconsole: extract message fragmentation into send_msg_udp() Breno Leitao
2026-01-28 14:44   ` John Ogness
2026-01-28 14:17 ` [PATCH net-next v5 3/4] netconsole: convert to NBCON console infrastructure Breno Leitao
2026-01-28 14:49   ` John Ogness
2026-01-29 15:19   ` Petr Mladek
2026-01-28 14:17 ` [PATCH net-next v5 4/4] netconsole: Use printk context for CPU and task information Breno Leitao
2026-01-28 15:03   ` John Ogness
2026-01-28 16:46     ` Breno Leitao
2026-01-29 15:25   ` Petr Mladek

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