linux-kernel - linux-next: build warning after merge of the tip tree

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Date:   Wed, 10 Jan 2018 15:41:20 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Woodhouse <dwmw@...zon.co.uk>
Subject: linux-next: build warning after merge of the tip tree

Hi all,

After merging the tip tree, today's linux-next build (x86_64 allnoconfig)
produced this warning:

arch/x86/kernel/cpu/bugs.c:79:12: warning: 'spectre_v2_enabled' defined but not used [-Wunused-variable]
 static int spectre_v2_enabled = SPECTRE_V2_NONE;
            ^

Introduced by commit

  54d5103245ff ("x86/spectre: Add boot time option to select Spectre v2 mitigation")

-- 
Cheers,
Stephen Rothwell