linux-kernel - Re: [PATCH] s390/netiucv: handle memory allocation failure in conn_action

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Message-ID: <20240625080857.46653437@kernel.org>
Date: Tue, 25 Jun 2024 08:08:57 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Alexandra Winter <wintera@...ux.ibm.com>
Cc: Yunseong Kim <yskelg@...il.com>, Markus Elfring <Markus.Elfring@....de>,
 linux-s390@...r.kernel.org, netdev@...r.kernel.org, Alexander Gordeev
 <agordeev@...ux.ibm.com>, Christian Bornträger
 <borntraeger@...ux.ibm.com>, Heiko Carstens <hca@...ux.ibm.com>, Sven
 Schnelle <svens@...ux.ibm.com>, Thorsten Winkler <twinkler@...ux.ibm.com>,
 Vasily Gorbik <gor@...ux.ibm.com>, LKML <linux-kernel@...r.kernel.org>,
 MichelleJin <shjy180909@...il.com>
Subject: Re: [PATCH] s390/netiucv: handle memory allocation failure in
 conn_action_start()

On Tue, 25 Jun 2024 11:08:49 +0200 Alexandra Winter wrote:
> s390/netiucv is more or less in maintenance mode and we are not aware of any users.
> The enterprise distros do not provide this module. Other iucv modules are more popular.
> But afaiu we cannot remove the source code, unless we can prove that nobody is using it.
> (Community advice is welcome).

If you have strong reason to believe this driver is unused, and can't
find any proof otherwise - let's remove it. We can always "revert it
back in", if needed. We have done it in the past.