linux-kernel - Re: [PATCH v2 1/1] lib: Remove dead code

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Message-ID: <2f7a82-67652e80-9181-6eae3780@215109797>
Date: Fri, 20 Dec 2024 09:44:31 +0100
From: "Ariel Otilibili-Anieli" <Ariel.Otilibili-Anieli@...ecom.fr>
To: "Greg KH" <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, "Jan Beulich" <jbeulich@...e.com>, stable@...r.kernel.org, "Andrew Morton" <akpm@...ux-foundation.org>, "Andrew Cooper" <andrew.cooper3@...rix.com>, "Anthony PERARD" <anthony.perard@...es.tech>, "Michal Orzel" <michal.orzel@....com>, "Julien Grall" <julien@....org>, Roger Pau Monné <roger.pau@...rix.com>, "Stefano Stabellini" <sstabellini@...nel.org>, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v2 1/1] lib: Remove dead code

On Friday, December 20, 2024 08:09 CET, Greg KH <gregkh@...uxfoundation.org> wrote:

> On Thu, Dec 19, 2024 at 11:45:01PM +0100, Ariel Otilibili wrote:
> > This is a follow up from a discussion in Xen:
> > 
> > The if-statement tests `res` is non-zero; meaning the case zero is never reached.
> > 
> > Link: https://lore.kernel.org/all/7587b503-b2ca-4476-8dc9-e9683d4ca5f0@suse.com/
> > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> > Suggested-by: Jan Beulich <jbeulich@...e.com>
> > Signed-off-by: Ariel Otilibili <ariel.otilibili-anieli@...ecom.fr>
> > --
> > Cc: stable@...r.kernel.org
> 
> Why is "removing dead code" a stable kernel thing?

Hello Greg,

It is what I understood from the process:

"Attaching a Fixes: tag does not subvert the stable kernel rules process nor the requirement to Cc: stable@...r.kernel.org on all stable patch candidates." [1]

Does my understanding make sense?

Regards,
Ariel

[1] https://docs.kernel.org/process/submitting-patches.html

> 
> confused,
> 
> greg k-h