linux-kernel - Re: [PATCH 6.1.y 00/12] timers: Provide timer_shutdown[

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Message-ID: <2025102001-unlaced-playroom-f60b@gregkh>
Date: Mon, 20 Oct 2025 13:17:13 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Jeongjun Park <aha310510@...il.com>
Cc: stable@...r.kernel.org, tglx@...utronix.de, Julia.Lawall@...ia.fr,
	akpm@...ux-foundation.org, anna-maria@...utronix.de, arnd@...db.de,
	linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux@...ck-us.net, luiz.dentz@...il.com, marcel@...tmann.org,
	maz@...nel.org, peterz@...radead.org, rostedt@...dmis.org,
	sboyd@...nel.org, viresh.kumar@...aro.org
Subject: Re: [PATCH 6.1.y 00/12] timers: Provide timer_shutdown[_sync]()

On Sat, Oct 11, 2025 at 12:02:40AM +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.

Thanks for doing this, all now queued up.

greg k-h