[PATCH] powerpc: arch/powerpc/kernel/setup_64.c - cleanup warnings

[He Ying]

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@xxxxxxxxxx>
Signed-off-by: He Ying <heying24@xxxxxxxxxx>
---
 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