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From:   He Ying <heying24@huawei.com>
To:     <mpe@ellerman.id.au>, <benh@kernel.crashing.org>,
        <paulus@samba.org>, <npiggin@gmail.com>, <dja@axtens.net>,
        <akpm@linux-foundation.org>, <aneesh.kumar@linux.ibm.com>,
        <rppt@kernel.org>, <ardb@kernel.org>, <clg@kaod.org>,
        <christophe.leroy@csgroup.eu>
CC:     <johnny.chenyi@huawei.com>, <linuxppc-dev@lists.ozlabs.org>,
        <linux-kernel@vger.kernel.org>
Subject: [PATCH] powerpc: arch/powerpc/kernel/setup_64.c - cleanup warnings
Date:   Tue, 16 Mar 2021 00:11:48 -0400
Message-ID: <20210316041148.29694-1-heying24@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

warning: symbol 'rfi_flush' was not declared.
warning: symbol 'entry_flush' was not declared.
warning: symbol 'uaccess_flush' was not declared.
We found warnings above in arch/powerpc/kernel/setup_64.c by using
sparse tool.

Define 'entry_flush' and 'uaccess_flush' as static because they are not
referenced outside the file. Include asm/security_features.h in which
'rfi_flush' is declared.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: He Ying <heying24@huawei.com>
---
 arch/powerpc/kernel/setup_64.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 560ed8b975e7..f92d72a7e7ce 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -68,6 +68,7 @@
 #include <asm/early_ioremap.h>
 #include <asm/pgalloc.h>
 #include <asm/asm-prototypes.h>
+#include <asm/security_features.h>
 
 #include "setup.h"
 
@@ -949,8 +950,8 @@ static bool no_rfi_flush;
 static bool no_entry_flush;
 static bool no_uaccess_flush;
 bool rfi_flush;
-bool entry_flush;
-bool uaccess_flush;
+static bool entry_flush;
+static bool uaccess_flush;
 DEFINE_STATIC_KEY_FALSE(uaccess_flush_key);
 EXPORT_SYMBOL(uaccess_flush_key);
 
-- 
2.17.1