linux-kernel - Re: [PATCH] net: ethtool: avoid rebuilds on UTS

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Date: Wed, 21 Feb 2024 11:23:09 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Jann Horn <jannh@...gle.com>
Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, John Garry
 <john.g.garry@...cle.com>
Subject: Re: [PATCH] net: ethtool: avoid rebuilds on UTS_RELEASE change

On Tue, 20 Feb 2024 20:42:44 +0100 Jann Horn wrote:
> Currently, when you switch between branches or something like that and
> rebuild, net/ethtool/ioctl.c has to be built again because it depends
> on UTS_RELEASE.
> 
> By instead referencing a string variable stored in another object file,
> this can be avoided.
> 
> Signed-off-by: Jann Horn <jannh@...gle.com>
> ---
> (alternatively we could also use the utsname info from the current UTS
> namespace, but that'd be a bit of a behavior change, and I wanted to
> keep this change a no-op)

Is this related to John's work from:
https://lore.kernel.org/all/20240131104851.2311358-1-john.g.garry@oracle.com/
?