srcu: Define SRCU_READ_FLAVOR_ALL in terms of symbols

This commit defines SRCU_READ_FLAVOR_ALL in terms of the
SRCU_READ_FLAVOR_* definitions instead of a hexadecimal constant.

Suggested-by: Neeraj Upadhyay <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Andrii Nakryiko <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Kent Overstreet <[email protected]>
Cc: <[email protected]>
Signed-off-by: Boqun Feng <[email protected]>

Author: paulmckrcu

include/linux/srcu.h

@@ -47,7 +47,8 @@ int init_srcu_struct(struct srcu_struct *ssp);
 #define SRCU_READ_FLAVOR_NORMAL	0x1		// srcu_read_lock().
 #define SRCU_READ_FLAVOR_NMI	0x2		// srcu_read_lock_nmisafe().
 #define SRCU_READ_FLAVOR_LITE	0x4		// srcu_read_lock_lite().
-#define SRCU_READ_FLAVOR_ALL	0x7		// All of the above.
+#define SRCU_READ_FLAVOR_ALL   (SRCU_READ_FLAVOR_NORMAL | SRCU_READ_FLAVOR_NMI | \
+				SRCU_READ_FLAVOR_LITE) // All of the above.
 
 #ifdef CONFIG_TINY_SRCU
 #include <linux/srcutiny.h>