From db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 20 Mar 2017 21:08:07 -0400
Subject: new helper: uaccess_kernel()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 include/linux/uaccess.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/linux/uaccess.h')

diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index b786ca2419b4..9c3ae8706e9d 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -7,6 +7,8 @@
 #define VERIFY_READ 0
 #define VERIFY_WRITE 1
 
+#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
+
 #include <asm/uaccess.h>
 
 static __always_inline void pagefault_disabled_inc(void)
-- 
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