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Date: Mon, 3 Aug 2026 11:14:37 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Hongyan Xu <getshell@seu.edu.cn>
Cc: sashal@kernel.org, arnd@arndb.de, linusw@kernel.org, brgl@kernel.org,
	stable@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-gpio@vger.kernel.org, jianhao.xu@seu.edu.cn
Subject: Re: [RFC PATCH 6.6.y 0/4] misc: ti-st: close transport removal races
Message-ID: <2026080323-peso-hesitate-9920@gregkh>
References: <20260724052842.1052-1-getshell@seu.edu.cn>
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In-Reply-To: <20260724052842.1052-1-getshell@seu.edu.cn>

On Fri, Jul 24, 2026 at 01:28:38PM +0800, Hongyan Xu wrote:
> The TI shared transport is published before probe completes and remains
> published while remove tears its core down.  The exported protocol entry
> points can retain the raw core pointer across that teardown.  An attached
> N_TI_WL line discipline and its write-wakeup work provide another path to
> the same freed core.
> 
> This series publishes only fully initialized transports, accounts users of
> the published pointer, withdraws and drains that pointer on remove, and
> synchronously closes an attached TTY before freeing the core.
> 
> This is an RFC for the 6.6 stable tree because the driver is still present
> there but was removed from mainline by commit 78fe66360ed6 ("misc: ti-st:
> st_kim: remove the driver").  There is consequently no current mainline
> code location through which these fixes can first be merged.

Great, then you shouldn't worry about this driver as obviously no one
uses it :)

thanks,

greg k-h