linux-kernel - [PATCH] powerpc: define the variable 'uaccess

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Message-ID: <20210312110638.178974-1-heying24@huawei.com>
Date:   Fri, 12 Mar 2021 06:06:38 -0500
From:   He Ying <heying24@...wei.com>
To:     <mpe@...erman.id.au>, <benh@...nel.crashing.org>,
        <paulus@...ba.org>, <npiggin@...il.com>, <dja@...ens.net>,
        <akpm@...ux-foundation.org>, <rppt@...nel.org>,
        <aneesh.kumar@...ux.ibm.com>, <clg@...d.org>
CC:     <johnny.chenyi@...wei.com>, <linuxppc-dev@...ts.ozlabs.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] powerpc: define the variable 'uaccess_flush' as static

The variable 'uaccess_fulsh' is not referenced outside the file. Perhaps we
should define it as static to avoid the warning as follows:

arch/powerpc/kernel/setup_64.c:953:6: warning: symbol 'uaccess_flush'
was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: He Ying <heying24@...wei.com>
---
 arch/powerpc/kernel/setup_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 560ed8b975e7..22aca271496b 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -950,7 +950,7 @@ static bool no_entry_flush;
 static bool no_uaccess_flush;
 bool rfi_flush;
 bool entry_flush;
-bool uaccess_flush;
+static bool uaccess_flush;
 DEFINE_STATIC_KEY_FALSE(uaccess_flush_key);
 EXPORT_SYMBOL(uaccess_flush_key);
 
-- 
2.17.1