From: Greg KH <gregkh@linuxfoundation.org>
To: Jeongjun Park <aha310510@gmail.com>
Cc: stable@vger.kernel.org, tglx@linutronix.de,
Julia.Lawall@inria.fr, akpm@linux-foundation.org,
anna-maria@linutronix.de, arnd@arndb.de,
linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
linux@roeck-us.net, luiz.dentz@gmail.com, marcel@holtmann.org,
maz@kernel.org, peterz@infradead.org, rostedt@goodmis.org,
sboyd@kernel.org, viresh.kumar@linaro.org,
linux-staging@lists.linux.dev
Subject: Re: [PATCH 5.15.y 00/14] timers: Provide timer_shutdown[_sync]()
Date: Sat, 7 Feb 2026 16:42:15 +0100 [thread overview]
Message-ID: <2026020754-boxing-tug-de15@gregkh> (raw)
In-Reply-To: <20251128160539.358938-1-aha310510@gmail.com>
On Sat, Nov 29, 2025 at 01:05:25AM +0900, Jeongjun Park wrote:
> The "timers: Provide timer_shutdown[_sync]()" patch series implemented a
> useful feature that addresses various bugs caused by attempts to rearm
> shutdown timers.
>
> https://lore.kernel.org/all/20221123201306.823305113@linutronix.de/
>
> However, this patch series was not fully backported to versions prior to
> 6.2, requiring separate patches for older kernels if these bugs were
> encountered.
>
> The biggest problem with this is that even if these bugs were discovered
> and patched in the upstream kernel, if the maintainer or author didn't
> create a separate backport patch for versions prior to 6.2, the bugs would
> remain untouched in older kernels.
>
> Therefore, to reduce the hassle of having to write a separate patch, we
> should backport the remaining unbackported commits from the
> "timers: Provide timer_shutdown[_sync]()" patch series to versions prior
> to 6.2.
You forgot to include commit 20739af07383 ("timers: Fix NULL function
pointer race in timer_shutdown_sync()") in this series. I've now taken
them all, let's see how it goes!
thanks,
greg k-h
prev parent reply other threads:[~2026-02-07 15:42 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-28 16:05 [PATCH 5.15.y 00/14] timers: Provide timer_shutdown[_sync]() Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 01/14] Documentation: Remove bogus claim about del_timer_sync() Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 02/14] ARM: spear: Do not use timer namespace for timer_shutdown() function Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 03/14] clocksource/drivers/arm_arch_timer: " Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 04/14] clocksource/drivers/sp804: " Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 05/14] timers: Get rid of del_singleshot_timer_sync() Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 06/14] timers: Replace BUG_ON()s Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 07/14] timers: Rename del_timer() to timer_delete() Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 08/14] Documentation: Replace del_timer/del_timer_sync() Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 09/14] timers: Silently ignore timers with a NULL function Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 10/14] timers: Split [try_to_]del_timer[_sync]() to prepare for shutdown mode Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 11/14] timers: Add shutdown mechanism to the internal functions Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 12/14] timers: Provide timer_shutdown[_sync]() Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 13/14] timers: Update the documentation to reflect on the new timer_shutdown() API Jeongjun Park
2025-11-28 16:05 ` [PATCH 5.15.y 14/14] Bluetooth: hci_qca: Fix the teardown problem for real Jeongjun Park
2026-02-07 15:42 ` Greg KH [this message]
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