linux-kernel - [PATCH] perf/x86/intel/cqm: make variable mbm_socket

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Date:   Fri, 14 Jul 2017 12:13:16 +0100
From:   Colin King <colin.king@...onical.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Fenghua Yu <fenghua.yu@...el.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] perf/x86/intel/cqm: make variable mbm_socket_max static

From: Colin Ian King <colin.king@...onical.com>

The variable mbm_socket_max does not need to be in global scope as
it is only used in this source, so make it static.

Cleans up sparse warning:
symbol 'mbm_socket_max' was not declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 arch/x86/events/intel/cqm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/cqm.c b/arch/x86/events/intel/cqm.c
index 2521f771f2f5..b47d0768ec0d 100644
--- a/arch/x86/events/intel/cqm.c
+++ b/arch/x86/events/intel/cqm.c
@@ -22,7 +22,7 @@
 static u32 cqm_max_rmid = -1;
 static unsigned int cqm_l3_scale; /* supposedly cacheline size */
 static bool cqm_enabled, mbm_enabled;
-unsigned int mbm_socket_max;
+static unsigned int mbm_socket_max;
 
 /*
  * The cached intel_pqr_state is strictly per CPU and can never be
-- 
2.11.0