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From: Thomas Gleixner <tglx@linutronix.de>
To: Anna-Maria Behnsen <anna-maria@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linuxfoundation.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Stephen Boyd <sboyd@kernel.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Julia Lawall <Julia.Lawall@inria.fr>,
	Arnd Bergmann <arnd@arndb.de>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Marc Zyngier <maz@kernel.org>,
	Marcel Holtmann <marcel@holtmann.org>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
	linux-bluetooth@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	netdev@vger.kernel.org
Subject: Re: [patch V2 12/17] timers: Silently ignore timers with a NULL function
Date: Wed, 23 Nov 2022 18:08:27 +0100	[thread overview]
Message-ID: <87edttegz8.ffs@tglx> (raw)
In-Reply-To: <165dcea1-2713-218b-fecf-5bf80452229@linutronix.de>

On Wed, Nov 23 2022 at 12:06, Anna-Maria Behnsen wrote:
> On Tue, 22 Nov 2022, Thomas Gleixner wrote:
>> Add debug_assert_init() instead of the WARN_ON_ONCE(!timer->function)
>> checks so that debug objects can warn about non-initialized timers.
>
> Could you expand this paragraph, so that is is not missleading when a
> reader is not aware of the details of debug objects? Otherwise it seems to
> the reader that debug objects will warn when timer->function == NULL.
>
>   The warning of debug objects does not cover the original
>   WARN_ON_ONCE(!timer->function). It warns when timer was not initialized
>   using timer_setup[_on_stack]() or via DEFINE_TIMER().

Good point.

  reply	other threads:[~2022-11-23 17:09 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-22 17:44 [patch V2 00/17] timers: Provide timer_shutdown[_sync]() Thomas Gleixner
2022-11-22 17:44 ` [patch V2 01/17] Documentation: Remove bogus claim about del_timer_sync() Thomas Gleixner
2022-11-22 18:37   ` timers: Provide timer_shutdown[_sync]() bluez.test.bot
2022-11-22 17:44 ` [patch V2 02/17] ARM: spear: Do not use timer namespace for timer_shutdown() function Thomas Gleixner
2022-11-22 17:44 ` [patch V2 03/17] clocksource/drivers/arm_arch_timer: " Thomas Gleixner
2022-11-22 17:44 ` [patch V2 04/17] clocksource/drivers/sp804: " Thomas Gleixner
2022-11-22 17:44 ` [patch V2 05/17] timers: Get rid of del_singleshot_timer_sync() Thomas Gleixner
2022-11-22 17:44 ` [patch V2 06/17] timers: Replace BUG_ON()s Thomas Gleixner
2022-11-22 17:44 ` [patch V2 07/17] timers: Update kernel-doc for various functions Thomas Gleixner
2022-11-23 10:23   ` Anna-Maria Behnsen
2022-11-23 17:09     ` Thomas Gleixner
2022-11-22 17:44 ` [patch V2 08/17] timers: Use del_timer_sync() even on UP Thomas Gleixner
2022-11-22 17:44 ` [patch V2 09/17] timers: Rename del_timer_sync() to timer_delete_sync() Thomas Gleixner
2022-11-22 22:23   ` David Laight
2022-11-22 22:45     ` Steven Rostedt
2022-11-23  0:08       ` Thomas Gleixner
2022-11-23  0:28         ` Steven Rostedt
2022-11-22 17:45 ` [patch V2 10/17] timers: Rename del_timer() to timer_delete() Thomas Gleixner
2022-11-22 17:45 ` [patch V2 11/17] Documentation: Replace del_timer/del_timer_sync() Thomas Gleixner
2022-11-22 17:45 ` [patch V2 12/17] timers: Silently ignore timers with a NULL function Thomas Gleixner
2022-11-23  9:22   ` Anna-Maria Behnsen
2022-11-23 10:39   ` Anna-Maria Behnsen
2022-11-23 11:06   ` Anna-Maria Behnsen
2022-11-23 17:08     ` Thomas Gleixner [this message]
2022-11-22 17:45 ` [patch V2 13/17] timers: Split [try_to_]del_timer[_sync]() to prepare for shutdown mode Thomas Gleixner
2022-11-22 23:04   ` Jacob Keller
2022-11-23 17:05     ` Thomas Gleixner
2022-11-23 18:45       ` Jacob Keller
2022-11-23 11:23   ` Anna-Maria Behnsen
2022-11-23 11:24     ` Anna-Maria Behnsen
2022-11-22 17:45 ` [patch V2 14/17] timers: Add shutdown mechanism to the internal functions Thomas Gleixner
2022-11-22 17:45 ` [patch V2 15/17] timers: Provide timer_shutdown[_sync]() Thomas Gleixner
2022-11-23 12:02   ` Anna-Maria Behnsen
2022-11-23 17:06     ` Thomas Gleixner
2022-11-22 17:45 ` [patch V2 16/17] timers: Update the documentation to reflect on the new timer_shutdown() API Thomas Gleixner
2022-11-22 17:45 ` [patch V2 17/17] Bluetooth: hci_qca: Fix the teardown problem for real Thomas Gleixner
2022-11-22 23:09 ` [patch V2 00/17] timers: Provide timer_shutdown[_sync]() Jacob Keller

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