linux-kernel - Re: [PATCH] static_call: Fix unused variable warning

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Message-ID: <aa2c71a8-8032-6678-2898-a0caa697df8c@roeck-us.net>
Date:   Wed, 21 Apr 2021 18:45:20 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jason Baron <jbaron@...mai.com>,
        Ard Biesheuvel <ardb@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] static_call: Fix unused variable warning

On 4/21/21 6:33 PM, Steven Rostedt wrote:
> On Wed, 21 Apr 2021 18:24:15 -0700
> Guenter Roeck <linux@...ck-us.net> wrote:
> 
>> On 4/21/21 5:41 PM, Steven Rostedt wrote:
>>>
>>> Second patch with the exact same update. Perhaps we should take one
>>> before we get more of them ;-)
>>>
>>> https://lore.kernel.org/lkml/20210416194300.3952208-1-cmllamas@google.com/
>>>   
>>
>> Sorry, I missed the other one.
>>
> 
> 
> That's OK, I just thought you might have been doing some "research" on us.
> 

Not amused. I don't play such games.

No, this causes a compile error for us for a build with CONFIG_MODULES=n
in combination with -Werror. The problem was backported to v5.10.y with
the merge of v5.10.28, which makes it worse because it introduced a
regression into that branch. A regression causing a compile error isn't
really improving confidence in the test coverage of stable releases.

Unfortunately there was a miscommunication internally; my understanding
was that no patch was submitted upstream.

Guenter