netdev - [RFC PATCH] bpf: __pcpu_scope_irq

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Message-ID: <20180502033425.GA96582@lkp-sb-ep06>
Date:   Wed, 2 May 2018 11:34:25 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Song Liu <songliubraving@...com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        Song Liu <songliubraving@...com>, kernel-team@...com,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Peter Zijlstra <peterz@...radead.org>
Subject: [RFC PATCH] bpf: __pcpu_scope_irq_work can be static


Fixes: 1bd02fb7c12e ("bpf: enable stackmap with build_id in nmi context")
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---
 stackmap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index c33fec1..5d0a951 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -48,7 +48,7 @@ static void up_read_work(struct irq_work *entry)
 	work->sem = NULL;
 }
 
-DEFINE_PER_CPU(struct stack_map_irq_work, irq_work);
+static DEFINE_PER_CPU(struct stack_map_irq_work, irq_work);
 
 static inline bool stack_map_use_build_id(struct bpf_map *map)
 {