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From: Daniel Thompson <daniel.thompson@linaro.org>
To: Petr Mladek <pmladek@suse.com>
Cc: John Ogness <john.ogness@linutronix.de>,
	Sergey Senozhatsky <senozhatsky@chromium.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Jason Wessel <jason.wessel@windriver.com>,
	Douglas Anderson <dianders@chromium.org>,
	Aaron Tomlin <atomlin@redhat.com>,
	Luis Chamberlain <mcgrof@kernel.org>,
	kgdb-bugreport@lists.sourceforge.net
Subject: Re: [PATCH printk v1 01/18] kdb: do not assume write() callback available
Date: Thu, 9 Mar 2023 11:30:20 +0000	[thread overview]
Message-ID: <20230309113020.GA78621@aspen.lan> (raw)
In-Reply-To: <ZAnCXxui+QiNNRb6@alley>

On Thu, Mar 09, 2023 at 12:26:23PM +0100, Petr Mladek wrote:
> On Thu 2023-03-09 10:52:40, Daniel Thompson wrote:
> > On Thu, Mar 02, 2023 at 09:02:01PM +0106, John Ogness wrote:
> > > It is allowed for consoles to provide no write() callback. For
> > > example ttynull does this.
> > >
> > > Check if a write() callback is available before using it.
> > >
> > > Signed-off-by: John Ogness <john.ogness@linutronix.de>
> >
> > Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
> >
> > Any thoughts on best way to land the series. All via one tree or can
> > we pick and mix?
>
> I would prefer to take everything via the printk tree because
> most changes are there. Otherwise, we might end up with non-necessary
> cross-tree merge conflicts. Also I would know when all pieces are
> there.
>
> That said, this seems to be the only change in
> kernel/debug/kdb/kdb_io.c and it is relatively independent.
> So, it should not be a big problem to take it separately.

Enthusiastically
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>

That suits me fine: kgdb is pretty quiet at the moment so, whilst I
can't predict what patches will show up this cycle, this probably spares
me from having to put together a PR for a single patch!


Daniel.

  reply	other threads:[~2023-03-09 11:30 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-02 19:56 [PATCH printk v1 00/18] threaded/atomic console support John Ogness
2023-03-02 19:56 ` [PATCH printk v1 01/18] kdb: do not assume write() callback available John Ogness
2023-03-07 14:57   ` Petr Mladek
2023-03-07 16:34   ` Doug Anderson
2023-03-09 10:52   ` Daniel Thompson
2023-03-09 11:26     ` Petr Mladek
2023-03-09 11:30       ` Daniel Thompson [this message]
2023-03-02 19:56 ` [PATCH printk v1 02/18] printk: Add NMI check to down_trylock_console_sem() John Ogness
2023-03-07 16:05   ` Petr Mladek
2023-03-17 11:37     ` John Ogness
2023-04-13 13:42       ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 03/18] printk: Consolidate console deferred printing John Ogness
2023-03-08 13:15   ` Petr Mladek
2023-03-17 13:05     ` John Ogness
2023-04-13 15:15       ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 04/18] printk: Add per-console suspended state John Ogness
2023-03-08 14:40   ` Petr Mladek
2023-03-17 13:22     ` John Ogness
2023-04-14  9:56       ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 05/18] printk: Add non-BKL console basic infrastructure John Ogness
2023-03-09 14:08   ` global states: was: " Petr Mladek
2023-03-17 13:29     ` John Ogness
2023-03-09 15:32   ` naming: " Petr Mladek
2023-03-17 13:39     ` John Ogness
2023-03-21 16:04   ` union: was: " Petr Mladek
2023-03-27 16:28     ` John Ogness
2023-03-28  8:20       ` Petr Mladek
2023-03-28  9:42         ` John Ogness
2023-03-28 12:52           ` Petr Mladek
2023-03-28 13:47           ` Steven Rostedt
2023-03-02 19:56 ` [PATCH printk v1 06/18] printk: nobkl: Add acquire/release logic John Ogness
2023-03-06  9:07   ` Dan Carpenter
2023-03-06  9:39     ` John Ogness
2023-03-13 16:07   ` Petr Mladek
2023-03-17 14:56     ` John Ogness
2023-03-20 16:10       ` Petr Mladek
2023-03-17 17:34   ` simplify: was: " Petr Mladek
2023-03-21 15:36     ` Petr Mladek
2023-04-02 18:39       ` John Ogness
2023-03-02 19:56 ` [PATCH printk v1 07/18] printk: nobkl: Add buffer management John Ogness
2023-03-21 16:38   ` Petr Mladek
2023-03-23 13:38     ` John Ogness
2023-03-23 15:25       ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 08/18] printk: nobkl: Add sequence handling John Ogness
2023-03-27 15:45   ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 09/18] printk: nobkl: Add print state functions John Ogness
2023-03-29 13:58   ` buffer write race: " Petr Mladek
2023-03-29 14:33     ` John Ogness
2023-03-30 11:54       ` Petr Mladek
2023-03-29 14:05   ` misc details: was: " Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 10/18] printk: nobkl: Add emit function and callback functions for atomic printing John Ogness
2023-03-03  0:19   ` kernel test robot
2023-03-03 10:55     ` John Ogness
2023-03-31 10:29   ` dropped handling: was: " Petr Mladek
2023-03-31 10:36   ` semantic: " Petr Mladek
     [not found]     ` <87edp29kvq.fsf@jogness.linutronix.de>
     [not found]       ` <ZCraqrkqFtsfLWuP@alley>
     [not found]         ` <87ilecsrvl.fsf@jogness.linutronix.de>
2023-04-04 14:09           ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 11/18] printk: nobkl: Introduce printer threads John Ogness
2023-03-03  1:23   ` kernel test robot
2023-03-03 10:56     ` John Ogness
2023-04-05 10:48   ` boot console: was: " Petr Mladek
2023-04-06  8:09   ` wakeup synchronization: " Petr Mladek
2023-04-06  9:46   ` port lock: " Petr Mladek
2023-04-20  9:55     ` Petr Mladek
2023-04-20 10:33       ` John Ogness
2023-04-20 13:33         ` Petr Mladek
2023-04-21 16:15           ` Petr Mladek
2023-04-06 13:19   ` misc: " Petr Mladek
2023-04-13 13:28   ` (k)thread: " Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 12/18] printk: nobkl: Add printer thread wakeups John Ogness
2023-04-12  9:38   ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 13/18] printk: nobkl: Add write context storage for atomic writes John Ogness
2023-03-02 19:56 ` [PATCH printk v1 14/18] printk: nobkl: Provide functions for atomic write enforcement John Ogness
2023-04-12 14:53   ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 15/18] printk: nobkl: Stop threads on shutdown/reboot John Ogness
2023-04-13  9:03   ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 16/18] kernel/panic: Add atomic write enforcement to warn/panic John Ogness
2023-04-13 10:08   ` Petr Mladek
2023-04-13 12:13     ` John Ogness
2023-04-14 10:10       ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 17/18] rcu: Add atomic write enforcement for rcu stalls John Ogness
2023-04-13 12:10   ` Petr Mladek
2023-03-02 19:56 ` [PATCH printk v1 18/18] printk: Perform atomic flush in console_flush_on_panic() John Ogness
2023-04-13 12:20   ` Petr Mladek
2023-03-02 19:58 ` [PATCH printk v1 00/18] serial: 8250: implement non-BKL console John Ogness
2023-03-28 13:33   ` locking API: was: " Petr Mladek
2023-03-28 13:57     ` John Ogness
2023-03-28 15:10       ` Petr Mladek
2023-03-28 21:47         ` John Ogness
2023-03-29  8:03           ` Petr Mladek
2023-03-28 13:59   ` [PATCH printk v1 00/18] POC: serial: 8250: implement nbcon console John Ogness
2023-03-09 10:55 ` [PATCH printk v1 00/18] threaded/atomic console support Daniel Thompson
2023-03-09 11:14   ` John Ogness

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