linux-kernel - Re: [PATCH] net: bpf: add static in net/core/filter.c

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Message-Id: <20191016.134411.315258296003464370.davem@davemloft.net>
Date:   Wed, 16 Oct 2019 13:44:11 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     ben.dooks@...ethink.co.uk
Cc:     daniel@...earbox.net, linux-kernel@...ts.codethink.co.uk,
        ast@...nel.org, kafai@...com, songliubraving@...com, yhs@...com,
        jakub.kicinski@...ronome.com, hawk@...nel.org,
        john.fastabend@...il.com, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: bpf: add static in net/core/filter.c

From: Ben Dooks <ben.dooks@...ethink.co.uk>
Date: Wed, 16 Oct 2019 14:11:52 +0100

> Hmm, your config it does, I get /none/ of these warnings.
> 
> I guess a lot of this is being built whether or not is then used.

When you are making changes like this, unless you have done a full grep
over the tree and are %100 sure it is unrefrenced you should do at
a minimum an allmodconfig build.

Otherwise by definition you are not testing the build of this change.