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authorAl Viro <viro@zeniv.linux.org.uk>2017-03-21 04:08:07 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2017-03-28 23:43:25 +0300
commitdb68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 (patch)
tree77eda1d247853a2d414e0047c620b3c72bb11a1a /include/linux/uaccess.h
parentaaa2e7ac80f679230faf28a8e12e8d68dbe977eb (diff)
downloadlinux-db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63.tar.xz
new helper: uaccess_kernel()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/uaccess.h')
-rw-r--r--include/linux/uaccess.h2
1 files changed, 2 insertions, 0 deletions
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)