linux-kernel - [PATCH -next] powerpc/security: Fix symbol undeclared warning

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Date:   Mon, 21 Sep 2020 11:27:45 +0000
From:   Wang Wensheng <wangwensheng4@...wei.com>
To:     <mpe@...erman.id.au>, <benh@...nel.crashing.org>,
        <paulus@...ba.org>, <npiggin@...il.com>, <gwalbon@...ux.ibm.com>,
        <renesas@...der.be>, <wangwensheng4@...wei.com>,
        <jniethe5@...il.com>, <yuehaibing@...wei.com>,
        <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] powerpc/security: Fix symbol undeclared warning

Build kernel with `C=2`:
arch/powerpc/kernel/security.c:253:6: warning: symbol 'stf_barrier' was
not declared. Should it be static?

Signed-off-by: Wang Wensheng <wangwensheng4@...wei.com>
---
 arch/powerpc/kernel/security.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c
index c9876aab3142..fbcd5611a67e 100644
--- a/arch/powerpc/kernel/security.c
+++ b/arch/powerpc/kernel/security.c
@@ -250,7 +250,7 @@ ssize_t cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, c
 
 static enum stf_barrier_type stf_enabled_flush_types;
 static bool no_stf_barrier;
-bool stf_barrier;
+static bool stf_barrier;
 
 static int __init handle_no_stf_barrier(char *p)
 {
-- 
2.25.0